diff --git a/Cocoa/Document.m b/Cocoa/Document.m index ea4f765..730812f 100644 --- a/Cocoa/Document.m +++ b/Cocoa/Document.m @@ -17,7 +17,7 @@ @property GBAudioClient *audioClient; - (void) vblank; -- (void) log: (const char *) log withAttributes: (gb_log_attributes) attributes; +- (void) log: (const char *) log withAttributes: (GB_log_attributes) attributes; - (const char *) getDebuggerInput; @end @@ -27,7 +27,7 @@ static void vblank(GB_gameboy_t *gb) [self vblank]; } -static void consoleLog(GB_gameboy_t *gb, const char *string, gb_log_attributes attributes) +static void consoleLog(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes) { Document *self = (__bridge Document *)(gb->user_data); [self log:string withAttributes: attributes]; @@ -39,7 +39,7 @@ static char *consoleInput(GB_gameboy_t *gb) return strdup([self getDebuggerInput]); } -static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, unsigned char b) +static uint32_t rgbEncode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b) { return (r << 0) | (g << 8) | (b << 16); } @@ -71,47 +71,47 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un - (void) initDMG { - gb_init(&gb); - gb_load_bios(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]); - gb_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); - gb_set_log_callback(&gb, (GB_log_callback_t) consoleLog); - gb_set_input_callback(&gb, (GB_input_callback_t) consoleInput); - gb_set_rgb_encode_callback(&gb, rgbEncode); + GB_init(&gb); + GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]); + GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); + GB_set_log_callback(&gb, (GB_log_callback_t) consoleLog); + GB_set_input_callback(&gb, (GB_input_callback_t) consoleInput); + GB_set_rgb_encode_callback(&gb, rgbEncode); gb.user_data = (__bridge void *)(self); } - (void) initCGB { - gb_init_cgb(&gb); - gb_load_bios(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]); - gb_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); - gb_set_log_callback(&gb, (GB_log_callback_t) consoleLog); - gb_set_input_callback(&gb, (GB_input_callback_t) consoleInput); - gb_set_rgb_encode_callback(&gb, rgbEncode); + GB_init_cgb(&gb); + GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]); + GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); + GB_set_log_callback(&gb, (GB_log_callback_t) consoleLog); + GB_set_input_callback(&gb, (GB_input_callback_t) consoleInput); + GB_set_rgb_encode_callback(&gb, rgbEncode); gb.user_data = (__bridge void *)(self); } - (void) vblank { [self.view flip]; - gb_set_pixels_output(&gb, self.view.pixels); + GB_set_pixels_output(&gb, self.view.pixels); } - (void) run { running = true; - gb_set_pixels_output(&gb, self.view.pixels); + GB_set_pixels_output(&gb, self.view.pixels); self.view.gb = &gb; - gb_set_sample_rate(&gb, 96000); + GB_set_sample_rate(&gb, 96000); self.audioClient = [[GBAudioClient alloc] initWithRendererBlock:^(UInt32 sampleRate, UInt32 nFrames, GB_sample_t *buffer) { - apu_copy_buffer(&gb, buffer, nFrames); + GB_apu_copy_buffer(&gb, buffer, nFrames); } andSampleRate:96000]; [self.audioClient start]; while (running) { - gb_run(&gb); + GB_run(&gb); } [self.audioClient stop]; - gb_save_battery(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]); + GB_save_battery(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]); stopping = false; } @@ -137,7 +137,7 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un { bool was_cgb = gb.is_cgb; [self stop]; - gb_free(&gb); + GB_free(&gb); is_inited = false; if (([sender tag] == 0 && was_cgb) || [sender tag] == 2) { [self initCGB]; @@ -165,7 +165,7 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un - (void)dealloc { - gb_free(&gb); + GB_free(&gb); } - (void)windowControllerDidLoadNib:(NSWindowController *)aController { @@ -198,8 +198,8 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un if (is_inited++) { return YES; } - gb_load_rom(&gb, [fileName UTF8String]); - gb_load_battery(&gb, [[[fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]); + GB_load_rom(&gb, [fileName UTF8String]); + GB_load_battery(&gb, [[[fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]); return YES; } @@ -283,7 +283,7 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un return rect; } -- (void) log: (const char *) string withAttributes: (gb_log_attributes) attributes +- (void) log: (const char *) string withAttributes: (GB_log_attributes) attributes { if (pendingLogLines > 128) { /* The ROM causes so many errors in such a short time, and we can't handle it. */ @@ -367,7 +367,7 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un if (!gb.debug_stopped) { [self stop]; } - gb_save_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]); + GB_save_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]); if (was_running) { [self start]; } @@ -379,7 +379,7 @@ static uint32_t rgbEncode(GB_gameboy_t *gb, unsigned char r, unsigned char g, un if (!gb.debug_stopped) { [self stop]; } - gb_load_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]); + GB_load_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]); if (was_running) { [self start]; } diff --git a/Core/apu.c b/Core/apu.c index 371bcc2..2db8c36 100644 --- a/Core/apu.c +++ b/Core/apu.c @@ -27,7 +27,7 @@ static int16_t generate_square(double phase, int16_t amplitude, double duty) return 0; } -static int16_t generate_wave(double phase, int16_t amplitude, signed char *wave, unsigned char shift) +static int16_t generate_wave(double phase, int16_t amplitude, int8_t *wave, uint8_t shift) { phase = fmod(phase, 2 * M_PI); return ((wave[(int)(phase / (2 * M_PI) * 32)]) >> shift) * (int)amplitude / 0xF; @@ -60,7 +60,7 @@ static int16_t step_lfsr(uint16_t lfsr, bool uses_7_bit) /* General Todo: The APU emulation seems to fail many accuracy tests. It might require a rewrite with these tests in mind. */ -void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_samples, GB_sample_t *samples) +void GB_apu_render(GB_gameboy_t *gb, unsigned int sample_rate, unsigned int n_samples, GB_sample_t *samples) { for (; n_samples--; samples++) { samples->left = samples->right = 0; @@ -112,7 +112,7 @@ void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_sam samples->left *= gb->apu.left_volume; samples->right *= gb->apu.right_volume; - for (unsigned char i = 0; i < 4; i++) { + for (uint8_t i = 0; i < 4; i++) { /* Phase */ gb->apu.wave_channels[i].phase += 2 * M_PI * gb->apu.wave_channels[i].frequency / sample_rate; while (gb->apu.wave_channels[i].phase >= 2 * M_PI) { @@ -137,7 +137,7 @@ void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_sam gb->apu.envelope_step_timer += 1.0 / sample_rate; if (gb->apu.envelope_step_timer >= 1.0 / 64) { gb->apu.envelope_step_timer -= 1.0 / 64; - for (unsigned char i = 0; i < 4; i++) { + for (uint8_t i = 0; i < 4; i++) { if (gb->apu.wave_channels[i].envelope_steps && !--gb->apu.wave_channels[i].cur_envelope_steps) { gb->apu.wave_channels[i].amplitude = min(max(gb->apu.wave_channels[i].amplitude + gb->apu.wave_channels[i].envelope_direction * CH_STEP, 0), MAX_CH_AMP); gb->apu.wave_channels[i].cur_envelope_steps = gb->apu.wave_channels[i].envelope_steps; @@ -151,7 +151,7 @@ void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_sam if (gb->apu.wave_channels[0].sweep_steps && !--gb->apu.wave_channels[0].cur_sweep_steps) { // Convert back to GB format - unsigned short temp = (unsigned short) (2048 - 131072 / gb->apu.wave_channels[0].frequency); + uint16_t temp = (uint16_t) (2048 - 131072 / gb->apu.wave_channels[0].frequency); // Apply sweep temp = temp + gb->apu.wave_channels[0].sweep_direction * @@ -169,19 +169,19 @@ void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_sam } } -void apu_run(GB_gameboy_t *gb) +void GB_apu_run(GB_gameboy_t *gb) { static bool should_log_overflow = true; while (gb->audio_copy_in_progress); double ticks_per_sample = (double) CPU_FREQUENCY / gb->sample_rate; while (gb->apu_cycles > ticks_per_sample) { GB_sample_t sample = {0, }; - apu_render(gb, gb->sample_rate, 1, &sample); + GB_apu_render(gb, gb->sample_rate, 1, &sample); gb->apu_cycles -= ticks_per_sample; if (gb->audio_position == gb->buffer_size) { /* if (should_log_overflow && !gb->turbo) { - gb_log(gb, "Audio overflow\n"); + GB_log(gb, "Audio overflow\n"); should_log_overflow = false; } */ @@ -193,7 +193,7 @@ void apu_run(GB_gameboy_t *gb) } } -void apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count) +void GB_apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count) { gb->audio_copy_in_progress = true; @@ -204,7 +204,7 @@ void apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count) } if (count > gb->audio_position) { - // gb_log(gb, "Audio underflow: %d\n", count - gb->audio_position); + // GB_log(gb, "Audio underflow: %d\n", count - gb->audio_position); memset(dest + gb->audio_position, 0, (count - gb->audio_position) * sizeof(*gb->audio_buffer)); count = gb->audio_position; } @@ -215,7 +215,7 @@ void apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count) gb->audio_copy_in_progress = false; } -void apu_init(GB_gameboy_t *gb) +void GB_apu_init(GB_gameboy_t *gb) { memset(&gb->apu, 0, sizeof(gb->apu)); gb->apu.wave_channels[0].duty = gb->apu.wave_channels[1].duty = 0.5; @@ -227,12 +227,12 @@ void apu_init(GB_gameboy_t *gb) } } -unsigned char apu_read(GB_gameboy_t *gb, unsigned char reg) +uint8_t GB_apu_read(GB_gameboy_t *gb, uint8_t reg) { /* Todo: what happens when reading from the wave from while it's playing? */ if (reg == GB_IO_NR52) { - unsigned char value = 0; + uint8_t value = 0; for (int i = 0; i < 4; i++) { value >>= 1; if (gb->apu.wave_channels[i].is_playing) { @@ -260,17 +260,17 @@ unsigned char apu_read(GB_gameboy_t *gb, unsigned char reg) }; if (reg >= GB_IO_WAV_START && reg <= GB_IO_WAV_END && gb->apu.wave_channels[2].is_playing) { - return (unsigned char)((gb->display_cycles * 22695477 * reg) >> 8); // Semi-random but deterministic + return (uint8_t)((gb->display_cycles * 22695477 * reg) >> 8); // Semi-random but deterministic } return gb->io_registers[reg] | read_mask[reg - GB_IO_NR10]; } -void apu_write(GB_gameboy_t *gb, unsigned char reg, unsigned char value) +void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value) { static const double duties[] = {0.125, 0.25, 0.5, 0.75}; static uint16_t NRX3_X4_temp[3] = {0}; - unsigned char channel = 0; + uint8_t channel = 0; if (!gb->apu.global_enable && reg != GB_IO_NR52) { return; @@ -376,7 +376,7 @@ void apu_write(GB_gameboy_t *gb, unsigned char reg, unsigned char value) { double r = value & 0x7; if (r == 0) r = 0.5; - unsigned char s = value >> 4; + uint8_t s = value >> 4; gb->apu.wave_channels[3].frequency = 524288.0 / r / (1 << (s + 1)); gb->apu.lfsr_7_bit = value & 0x8; break; @@ -406,7 +406,7 @@ void apu_write(GB_gameboy_t *gb, unsigned char reg, unsigned char value) case GB_IO_NR52: if ((value & 0x80) && !gb->apu.global_enable) { - apu_init(gb); + GB_apu_init(gb); gb->apu.global_enable = true; } else if (!(value & 0x80) && gb->apu.global_enable) { diff --git a/Core/apu.h b/Core/apu.h index a0f7036..835c569 100644 --- a/Core/apu.h +++ b/Core/apu.h @@ -7,6 +7,7 @@ #define MAX_CH_AMP 0x1E00 #define CH_STEP (0x1E00/0xF) +#include "save_struct.h" struct GB_gameboy_s; typedef struct GB_gameboy_s GB_gameboy_t; @@ -20,30 +21,30 @@ typedef struct /* Not all used on all channels */ typedef struct { - double phase; - double frequency; + GB_aligned_double phase; + GB_aligned_double frequency; + GB_aligned_double duty; + GB_aligned_double sound_length; /* In seconds */ int16_t amplitude; int16_t start_amplitude; - double duty; - double sound_length; /* In seconds */ bool stop_on_length; - unsigned char envelope_steps; - unsigned char cur_envelope_steps; + uint8_t envelope_steps; + uint8_t cur_envelope_steps; signed int envelope_direction; - unsigned char sweep_steps; - unsigned char cur_sweep_steps; + uint8_t sweep_steps; + uint8_t cur_sweep_steps; signed int sweep_direction; - unsigned char sweep_shift; + uint8_t sweep_shift; bool is_playing; } GB_apu_channel_t; typedef struct { GB_apu_channel_t wave_channels[4]; - double envelope_step_timer; /* In seconds */ - double sweep_step_timer; /* In seconds */ - signed char wave_form[32]; - unsigned char wave_shift; + GB_aligned_double envelope_step_timer; /* In seconds */ + GB_aligned_double sweep_step_timer; /* In seconds */ + int8_t wave_form[32]; + uint8_t wave_shift; bool wave_enable; uint16_t lfsr; bool lfsr_7_bit; @@ -54,11 +55,11 @@ typedef struct bool global_enable; } GB_apu_t; -void apu_render(GB_gameboy_t *gb, unsigned long sample_rate, unsigned long n_samples, GB_sample_t *samples); -void apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count); -void apu_write(GB_gameboy_t *gb, unsigned char reg, unsigned char value); -unsigned char apu_read(GB_gameboy_t *gb, unsigned char reg); -void apu_init(GB_gameboy_t *gb); -void apu_run(GB_gameboy_t *gb); +void GB_apu_render(GB_gameboy_t *gb, unsigned int sample_rate, unsigned int n_samples, GB_sample_t *samples); +void GB_apu_copy_buffer(GB_gameboy_t *gb, GB_sample_t *dest, unsigned int count); +void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value); +uint8_t GB_apu_read(GB_gameboy_t *gb, uint8_t reg); +void GB_apu_init(GB_gameboy_t *gb); +void GB_apu_run(GB_gameboy_t *gb); #endif /* apu_h */ diff --git a/Core/debugger.c b/Core/debugger.c index d757086..c661e55 100644 --- a/Core/debugger.c +++ b/Core/debugger.c @@ -15,17 +15,17 @@ typedef struct { LVALUE_REG_L, } kind; union { - unsigned short *register_address; - unsigned short memory_address; + uint16_t *register_address; + uint16_t memory_address; }; } lvalue_t; -static unsigned short read_lvalue(GB_gameboy_t *gb, lvalue_t lvalue) +static uint16_t read_lvalue(GB_gameboy_t *gb, lvalue_t lvalue) { /* Not used until we add support for operators like += */ switch (lvalue.kind) { case LVALUE_MEMORY: - return read_memory(gb, lvalue.memory_address); + return GB_read_memory(gb, lvalue.memory_address); case LVALUE_REG16: return *lvalue.register_address; @@ -38,11 +38,11 @@ static unsigned short read_lvalue(GB_gameboy_t *gb, lvalue_t lvalue) } } -static void write_lvalue(GB_gameboy_t *gb, lvalue_t lvalue, unsigned short value) +static void write_lvalue(GB_gameboy_t *gb, lvalue_t lvalue, uint16_t value) { switch (lvalue.kind) { case LVALUE_MEMORY: - write_memory(gb, lvalue.memory_address, value); + GB_write_memory(gb, lvalue.memory_address, value); return; case LVALUE_REG16: @@ -61,27 +61,27 @@ static void write_lvalue(GB_gameboy_t *gb, lvalue_t lvalue, unsigned short value } } -static unsigned short add(unsigned short a, unsigned short b) {return a + b;}; -static unsigned short sub(unsigned short a, unsigned short b) {return a - b;}; -static unsigned short mul(unsigned short a, unsigned short b) {return a * b;}; -static unsigned short _div(unsigned short a, unsigned short b) { +static uint16_t add(uint16_t a, uint16_t b) {return a + b;}; +static uint16_t sub(uint16_t a, uint16_t b) {return a - b;}; +static uint16_t mul(uint16_t a, uint16_t b) {return a * b;}; +static uint16_t _div(uint16_t a, uint16_t b) { if (b == 0) { return 0; } return a / b; }; -static unsigned short mod(unsigned short a, unsigned short b) { +static uint16_t mod(uint16_t a, uint16_t b) { if (b == 0) { return 0; } return a % b; }; -static unsigned short and(unsigned short a, unsigned short b) {return a & b;}; -static unsigned short or(unsigned short a, unsigned short b) {return a | b;}; -static unsigned short xor(unsigned short a, unsigned short b) {return a ^ b;}; -static unsigned short shleft(unsigned short a, unsigned short b) {return a << b;}; -static unsigned short shright(unsigned short a, unsigned short b) {return a >> b;}; -static unsigned short assign(GB_gameboy_t *gb, lvalue_t a, unsigned short b) +static uint16_t and(uint16_t a, uint16_t b) {return a & b;}; +static uint16_t or(uint16_t a, uint16_t b) {return a | b;}; +static uint16_t xor(uint16_t a, uint16_t b) {return a ^ b;}; +static uint16_t shleft(uint16_t a, uint16_t b) {return a << b;}; +static uint16_t shright(uint16_t a, uint16_t b) {return a >> b;}; +static uint16_t assign(GB_gameboy_t *gb, lvalue_t a, uint16_t b) { write_lvalue(gb, a, b); return read_lvalue(gb, a); @@ -90,8 +90,8 @@ static unsigned short assign(GB_gameboy_t *gb, lvalue_t a, unsigned short b) static struct { const char *string; char priority; - unsigned short (*operator)(unsigned short, unsigned short); - unsigned short (*lvalue_operator)(GB_gameboy_t *, lvalue_t, unsigned short); + uint16_t (*operator)(uint16_t, uint16_t); + uint16_t (*lvalue_operator)(GB_gameboy_t *, lvalue_t, uint16_t); } operators[] = { // Yes. This is not C-like. But it makes much more sense. @@ -109,7 +109,7 @@ static struct { {"=", 2, NULL, assign}, }; -unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned int length, bool *error); +uint16_t debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned int length, bool *error); static lvalue_t debugger_evaluate_lvalue(GB_gameboy_t *gb, const char *string, unsigned int length, bool *error) { @@ -124,7 +124,7 @@ static lvalue_t debugger_evaluate_lvalue(GB_gameboy_t *gb, const char *string, u } if (length == 0) { - gb_log(gb, "Expected expression.\n"); + GB_log(gb, "Expected expression.\n"); *error = true; return (lvalue_t){0,}; } @@ -183,17 +183,17 @@ static lvalue_t debugger_evaluate_lvalue(GB_gameboy_t *gb, const char *string, u case 'p': if (string[2] == 'c') return (lvalue_t){LVALUE_REG16, .register_address = &gb->pc}; } } - gb_log(gb, "Unknown register: %.*s\n", length, string); + GB_log(gb, "Unknown register: %.*s\n", length, string); *error = true; return (lvalue_t){0,}; } - gb_log(gb, "Expression is not an lvalue: %.*s\n", length, string); + GB_log(gb, "Expression is not an lvalue: %.*s\n", length, string); *error = true; return (lvalue_t){0,}; } -unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned int length, bool *error) +uint16_t debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned int length, bool *error) { *error = false; // Strip whitespace @@ -206,7 +206,7 @@ unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned } if (length == 0) { - gb_log(gb, "Expected expression.\n"); + GB_log(gb, "Expected expression.\n"); *error = true; return -1; } @@ -236,7 +236,7 @@ unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned } if (string[i] == ']') depth--; } - if (depth == 0) return read_memory(gb, debugger_evaluate(gb, string + 1, length - 2, error)); + if (depth == 0) return GB_read_memory(gb, debugger_evaluate(gb, string + 1, length - 2, error)); } // Search for lowest priority operator signed int depth = 0; @@ -262,14 +262,14 @@ unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned } if (operator_index != -1) { unsigned int right_start = (unsigned int)(operator_pos + strlen(operators[operator_index].string)); - unsigned short right = debugger_evaluate(gb, string + right_start, length - right_start, error); + uint16_t right = debugger_evaluate(gb, string + right_start, length - right_start, error); if (*error) return -1; if (operators[operator_index].lvalue_operator) { lvalue_t left = debugger_evaluate_lvalue(gb, string, operator_pos, error); if (*error) return -1; return operators[operator_index].lvalue_operator(gb, left, right); } - unsigned short left = debugger_evaluate(gb, string, operator_pos, error); + uint16_t left = debugger_evaluate(gb, string, operator_pos, error); if (*error) return -1; return operators[operator_index].operator(left, right); } @@ -300,15 +300,15 @@ unsigned short debugger_evaluate(GB_gameboy_t *gb, const char *string, unsigned case 'p': if (string[2] == 'c') return gb->pc; } } - gb_log(gb, "Unknown register: %.*s\n", length, string); + GB_log(gb, "Unknown register: %.*s\n", length, string); *error = true; return -1; } char *end; - unsigned short literal = (unsigned short) (strtol(string, &end, 16)); + uint16_t literal = (uint16_t) (strtol(string, &end, 16)); if (end != string + length) { - gb_log(gb, "Failed to parse: %.*s\n", length, string); + GB_log(gb, "Failed to parse: %.*s\n", length, string); *error = true; return -1; } @@ -319,7 +319,7 @@ typedef bool debugger_command_imp_t(GB_gameboy_t *gb, char *arguments); typedef struct { const char *command; - unsigned char min_length; + uint8_t min_length; debugger_command_imp_t *implementation; const char *help_string; // Null if should not appear in help } debugger_command_t; @@ -335,7 +335,7 @@ static const char *lstrip(const char *str) static bool cont(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: continue\n"); + GB_log(gb, "Usage: continue\n"); return true; } gb->debug_stopped = false; @@ -345,7 +345,7 @@ static bool cont(GB_gameboy_t *gb, char *arguments) static bool next(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: next\n"); + GB_log(gb, "Usage: next\n"); return true; } @@ -358,7 +358,7 @@ static bool next(GB_gameboy_t *gb, char *arguments) static bool step(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: step\n"); + GB_log(gb, "Usage: step\n"); return true; } @@ -368,7 +368,7 @@ static bool step(GB_gameboy_t *gb, char *arguments) static bool finish(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: finish\n"); + GB_log(gb, "Usage: finish\n"); return true; } @@ -381,7 +381,7 @@ static bool finish(GB_gameboy_t *gb, char *arguments) static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: sld\n"); + GB_log(gb, "Usage: sld\n"); return true; } @@ -394,23 +394,23 @@ static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments) static bool registers(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: registers\n"); + GB_log(gb, "Usage: registers\n"); return true; } - gb_log(gb, "AF = %04x\n", gb->registers[GB_REGISTER_AF]); - gb_log(gb, "BC = %04x\n", gb->registers[GB_REGISTER_BC]); - gb_log(gb, "DE = %04x\n", gb->registers[GB_REGISTER_DE]); - gb_log(gb, "HL = %04x\n", gb->registers[GB_REGISTER_HL]); - gb_log(gb, "SP = %04x\n", gb->registers[GB_REGISTER_SP]); - gb_log(gb, "PC = %04x\n", gb->pc); - gb_log(gb, "TIMA = %d/%lu\n", gb->io_registers[GB_IO_TIMA], gb->tima_cycles); - gb_log(gb, "Display Controller: LY = %d/%lu\n", gb->io_registers[GB_IO_LY], gb->display_cycles % 456); + GB_log(gb, "AF = %04x\n", gb->registers[GB_REGISTER_AF]); + GB_log(gb, "BC = %04x\n", gb->registers[GB_REGISTER_BC]); + GB_log(gb, "DE = %04x\n", gb->registers[GB_REGISTER_DE]); + GB_log(gb, "HL = %04x\n", gb->registers[GB_REGISTER_HL]); + GB_log(gb, "SP = %04x\n", gb->registers[GB_REGISTER_SP]); + GB_log(gb, "PC = %04x\n", gb->pc); + GB_log(gb, "TIMA = %d/%u\n", gb->io_registers[GB_IO_TIMA], gb->tima_cycles); + GB_log(gb, "Display Controller: LY = %d/%u\n", gb->io_registers[GB_IO_LY], gb->display_cycles % 456); return true; } /* Find the index of the closest breakpoint equal or greater to addr */ -static unsigned short find_breakpoint(GB_gameboy_t *gb, unsigned short addr) +static uint16_t find_breakpoint(GB_gameboy_t *gb, uint16_t addr) { if (!gb->breakpoints) { return 0; @@ -418,7 +418,7 @@ static unsigned short find_breakpoint(GB_gameboy_t *gb, unsigned short addr) int min = 0; int max = gb->n_breakpoints; while (min < max) { - unsigned short pivot = (min + max) / 2; + uint16_t pivot = (min + max) / 2; if (gb->breakpoints[pivot] == addr) return pivot; if (gb->breakpoints[pivot] > addr) { max = pivot - 1; @@ -427,24 +427,24 @@ static unsigned short find_breakpoint(GB_gameboy_t *gb, unsigned short addr) min = pivot + 1; } } - return (unsigned short) min; + return (uint16_t) min; } static bool breakpoint(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments)) == 0) { - gb_log(gb, "Usage: breakpoint \n"); + GB_log(gb, "Usage: breakpoint \n"); return true; } bool error; - unsigned short result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); + uint16_t result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); if (error) return true; - unsigned short index = find_breakpoint(gb, result); + uint16_t index = find_breakpoint(gb, result); if (index < gb->n_breakpoints && gb->breakpoints[index] == result) { - gb_log(gb, "Breakpoint already set at %04x\n", result); + GB_log(gb, "Breakpoint already set at %04x\n", result); return true; } @@ -453,14 +453,14 @@ static bool breakpoint(GB_gameboy_t *gb, char *arguments) gb->breakpoints[index] = result; gb->n_breakpoints++; - gb_log(gb, "Breakpoint set at %04x\n", result); + GB_log(gb, "Breakpoint set at %04x\n", result); return true; } static bool delete(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments)) == 0) { - gb_log(gb, "Delete all breakpoints? "); + GB_log(gb, "Delete all breakpoints? "); char *answer = gb->input_callback(gb); if (answer[0] == 'Y' || answer[0] == 'y') { free(gb->breakpoints); @@ -471,13 +471,13 @@ static bool delete(GB_gameboy_t *gb, char *arguments) } bool error; - unsigned short result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); + uint16_t result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); if (error) return true; - unsigned short index = find_breakpoint(gb, result); + uint16_t index = find_breakpoint(gb, result); if (index >= gb->n_breakpoints || gb->breakpoints[index] != result) { - gb_log(gb, "No breakpoint set at %04x\n", result); + GB_log(gb, "No breakpoint set at %04x\n", result); return true; } @@ -485,33 +485,33 @@ static bool delete(GB_gameboy_t *gb, char *arguments) gb->n_breakpoints--; gb->breakpoints = realloc(gb->breakpoints, gb->n_breakpoints * sizeof(gb->breakpoints[0])); - gb_log(gb, "Breakpoint removed from %04x\n", result); + GB_log(gb, "Breakpoint removed from %04x\n", result); return true; } static bool list(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: list\n"); + GB_log(gb, "Usage: list\n"); return true; } if (gb->n_breakpoints == 0) { - gb_log(gb, "No breakpoints set.\n"); + GB_log(gb, "No breakpoints set.\n"); return true; } - gb_log(gb, "%d breakpoint(s) set:\n", gb->n_breakpoints); - for (unsigned short i = 0; i < gb->n_breakpoints; i++) { - gb_log(gb, " %d. %04x\n", i + 1, gb->breakpoints[i]); + GB_log(gb, "%d breakpoint(s) set:\n", gb->n_breakpoints); + for (uint16_t i = 0; i < gb->n_breakpoints; i++) { + GB_log(gb, " %d. %04x\n", i + 1, gb->breakpoints[i]); } return true; } -static bool should_break(GB_gameboy_t *gb, unsigned short addr) +static bool should_break(GB_gameboy_t *gb, uint16_t addr) { - unsigned short index = find_breakpoint(gb, addr); + uint16_t index = find_breakpoint(gb, addr); if (index < gb->n_breakpoints && gb->breakpoints[index] == addr) { return true; } @@ -521,14 +521,14 @@ static bool should_break(GB_gameboy_t *gb, unsigned short addr) static bool print(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments)) == 0) { - gb_log(gb, "Usage: print \n"); + GB_log(gb, "Usage: print \n"); return true; } bool error; - unsigned short result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); + uint16_t result = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); if (!error) { - gb_log(gb, "=%04x\n", result); + GB_log(gb, "=%04x\n", result); } return true; } @@ -536,18 +536,18 @@ static bool print(GB_gameboy_t *gb, char *arguments) static bool examine(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments)) == 0) { - gb_log(gb, "Usage: examine \n"); + GB_log(gb, "Usage: examine \n"); return true; } bool error; - unsigned short addr = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); + uint16_t addr = debugger_evaluate(gb, arguments, (unsigned int)strlen(arguments), &error); if (!error) { - gb_log(gb, "%4x: ", addr); + GB_log(gb, "%4x: ", addr); for (int i = 0; i < 16; i++) { - gb_log(gb, "%02x ", read_memory(gb, addr + i)); + GB_log(gb, "%02x ", GB_read_memory(gb, addr + i)); } - gb_log(gb, "\n"); + GB_log(gb, "\n"); } return true; } @@ -555,41 +555,41 @@ static bool examine(GB_gameboy_t *gb, char *arguments) static bool mbc(GB_gameboy_t *gb, char *arguments) { if (strlen(lstrip(arguments))) { - gb_log(gb, "Usage: mbc\n"); + GB_log(gb, "Usage: mbc\n"); return true; } const GB_cartridge_t *cartridge = gb->cartridge_type; if (cartridge->has_ram) { - gb_log(gb, "Cartrdige includes%s RAM: %zx\n", cartridge->has_battery? " battery-backed": "", gb->mbc_ram_size); + GB_log(gb, "Cartrdige includes%s RAM: %x\n", cartridge->has_battery? " battery-backed": "", gb->mbc_ram_size); } else { - gb_log(gb, "No cartridge RAM\n"); + GB_log(gb, "No cartridge RAM\n"); } if (cartridge->mbc_type) { - gb_log(gb, "MBC%d\n", cartridge->mbc_type); - gb_log(gb, "Current mapped ROM bank: %x\n", gb->mbc_rom_bank); + GB_log(gb, "MBC%d\n", cartridge->mbc_type); + GB_log(gb, "Current mapped ROM bank: %x\n", gb->mbc_rom_bank); if (cartridge->has_ram) { - gb_log(gb, "Current mapped RAM bank: %x\n", gb->mbc_ram_bank); - gb_log(gb, "RAM is curently %s\n", gb->mbc_ram_enable? "enabled" : "disabled"); + GB_log(gb, "Current mapped RAM bank: %x\n", gb->mbc_ram_bank); + GB_log(gb, "RAM is curently %s\n", gb->mbc_ram_enable? "enabled" : "disabled"); } if (cartridge->mbc_type == MBC1) { - gb_log(gb, "MBC1 banking mode is %s\n", gb->mbc_ram_banking? "RAM" : "ROM"); + GB_log(gb, "MBC1 banking mode is %s\n", gb->mbc_ram_banking? "RAM" : "ROM"); } } else { - gb_log(gb, "No MBC\n"); + GB_log(gb, "No MBC\n"); } if (cartridge->has_rumble) { - gb_log(gb, "Cart contains a rumble pak\n"); + GB_log(gb, "Cart contains a rumble pak\n"); } if (cartridge->has_rtc) { - gb_log(gb, "Cart contains a real time clock\n"); + GB_log(gb, "Cart contains a real time clock\n"); } @@ -622,8 +622,8 @@ static bool help(GB_gameboy_t *gb, char *arguments) const debugger_command_t *command = commands; for (size_t i = sizeof(commands) / sizeof(*command); i--; command++) { if (command->help_string) { - gb_attributed_log(gb, GB_LOG_BOLD, "%s", command->command); - gb_log(gb, ": %s\n", command->help_string); + GB_attributed_log(gb, GB_LOG_BOLD, "%s", command->command); + GB_log(gb, ": %s\n", command->help_string); } } return true; @@ -643,13 +643,13 @@ static const debugger_command_t *find_command(const char *string) return NULL; } -void debugger_call_hook(GB_gameboy_t *gb) +void GB_debugger_call_hook(GB_gameboy_t *gb) { /* Called just after the CPU calls a function/enters an interrupt/etc... */ if (gb->stack_leak_detection) { if (gb->debug_call_depth >= sizeof(gb->sp_for_call_depth) / sizeof(gb->sp_for_call_depth[0])) { - gb_log(gb, "Potential stack overflow detected (Functions nest too much). \n"); + GB_log(gb, "Potential stack overflow detected (Functions nest too much). \n"); gb->debug_stopped = true; } else { @@ -661,7 +661,7 @@ void debugger_call_hook(GB_gameboy_t *gb) gb->debug_call_depth++; } -void debugger_ret_hook(GB_gameboy_t *gb) +void GB_debugger_ret_hook(GB_gameboy_t *gb) { /* Called just before the CPU runs ret/reti */ @@ -669,13 +669,13 @@ void debugger_ret_hook(GB_gameboy_t *gb) if (gb->stack_leak_detection) { if (gb->debug_call_depth < 0) { - gb_log(gb, "Function finished without a stack leak.\n"); + GB_log(gb, "Function finished without a stack leak.\n"); gb->debug_stopped = true; } else { if (gb->registers[GB_REGISTER_SP] != gb->sp_for_call_depth[gb->debug_call_depth]) { - gb_log(gb, "Stack leak detected for function %04x!\n", gb->addr_for_call_depth[gb->debug_call_depth]); - gb_log(gb, "SP is %04x, should be %04x.\n", gb->registers[GB_REGISTER_SP], + GB_log(gb, "Stack leak detected for function %04x!\n", gb->addr_for_call_depth[gb->debug_call_depth]); + GB_log(gb, "SP is %04x, should be %04x.\n", gb->registers[GB_REGISTER_SP], gb->sp_for_call_depth[gb->debug_call_depth]); gb->debug_stopped = true; } @@ -683,7 +683,7 @@ void debugger_ret_hook(GB_gameboy_t *gb) } } -void debugger_run(GB_gameboy_t *gb) +void GB_debugger_run(GB_gameboy_t *gb) { char *input = NULL; if (gb->debug_next_command && gb->debug_call_depth <= 0) { @@ -693,7 +693,7 @@ void debugger_run(GB_gameboy_t *gb) gb->debug_stopped = true; } if (gb->debug_stopped) { - cpu_disassemble(gb, gb->pc, 5); + GB_cpu_disassemble(gb, gb->pc, 5); } next_command: if (input) { @@ -701,8 +701,8 @@ next_command: } if (!gb->debug_stopped && should_break(gb, gb->pc)) { gb->debug_stopped = true; - gb_log(gb, "Breakpoint: PC = %04x\n", gb->pc); - cpu_disassemble(gb, gb->pc, 5); + GB_log(gb, "Breakpoint: PC = %04x\n", gb->pc); + GB_cpu_disassemble(gb, gb->pc, 5); } if (gb->debug_stopped) { gb->debug_next_command = false; @@ -731,7 +731,7 @@ next_command: } } else { - gb_log(gb, "%s: no such command.\n", command_string); + GB_log(gb, "%s: no such command.\n", command_string); goto next_command; } diff --git a/Core/debugger.h b/Core/debugger.h index 3369195..0b2023c 100644 --- a/Core/debugger.h +++ b/Core/debugger.h @@ -2,8 +2,8 @@ #define debugger_h #include "gb.h" -void debugger_run(GB_gameboy_t *gb); -void debugger_call_hook(GB_gameboy_t *gb); -void debugger_ret_hook(GB_gameboy_t *gb); +void GB_debugger_run(GB_gameboy_t *gb); +void GB_debugger_call_hook(GB_gameboy_t *gb); +void GB_debugger_ret_hook(GB_gameboy_t *gb); #endif /* debugger_h */ diff --git a/Core/display.c b/Core/display.c index e422933..c83d398 100644 --- a/Core/display.c +++ b/Core/display.c @@ -9,14 +9,14 @@ #pragma pack(push, 1) typedef struct { - unsigned char y; - unsigned char x; - unsigned char tile; - unsigned char flags; + uint8_t y; + uint8_t x; + uint8_t tile; + uint8_t flags; } GB_sprite_t; #pragma pack(pop) -static uint32_t get_pixel(GB_gameboy_t *gb, unsigned char x, unsigned char y) +static uint32_t get_pixel(GB_gameboy_t *gb, uint8_t x, uint8_t y) { /* Bit 7 - LCD Display Enable (0=Off, 1=On) @@ -28,17 +28,17 @@ static uint32_t get_pixel(GB_gameboy_t *gb, unsigned char x, unsigned char y) Bit 1 - OBJ (Sprite) Display Enable (0=Off, 1=On) Bit 0 - BG Display (for CGB see below) (0=Off, 1=On) */ - unsigned short map = 0x1800; - unsigned char tile = 0; - unsigned char attributes = 0; - unsigned char sprite_palette = 0; - unsigned short tile_address = 0; - unsigned char background_pixel = 0, sprite_pixel = 0; + uint16_t map = 0x1800; + uint8_t tile = 0; + uint8_t attributes = 0; + uint8_t sprite_palette = 0; + uint16_t tile_address = 0; + uint8_t background_pixel = 0, sprite_pixel = 0; GB_sprite_t *sprite = (GB_sprite_t *) &gb->oam; - unsigned char sprites_in_line = 0; + uint8_t sprites_in_line = 0; bool lcd_8_16_mode = (gb->io_registers[GB_IO_LCDC] & 4) != 0; bool sprites_enabled = (gb->io_registers[GB_IO_LCDC] & 2) != 0; - unsigned char lowest_sprite_x = 0xFF; + uint8_t lowest_sprite_x = 0xFF; bool use_obp1 = false, priority = false; bool in_window = false; if (gb->effective_window_enabled && (gb->io_registers[GB_IO_LCDC] & 0x20)) { /* Window Enabled */ @@ -49,13 +49,13 @@ static uint32_t get_pixel(GB_gameboy_t *gb, unsigned char x, unsigned char y) if (sprites_enabled) { // Loop all sprites - for (unsigned char i = 40; i--; sprite++) { + for (uint8_t i = 40; i--; sprite++) { int sprite_y = sprite->y - 16; int sprite_x = sprite->x - 8; // Is sprite in our line? if (sprite_y <= y && sprite_y + (lcd_8_16_mode? 16:8) > y) { - unsigned char tile_x, tile_y, current_sprite_pixel; - unsigned short line_address; + uint8_t tile_x, tile_y, current_sprite_pixel; + uint16_t line_address; // Limit to 10 sprites in one scan line. if (++sprites_in_line == 11) break; // Does not overlap our pixel. @@ -129,7 +129,7 @@ static uint32_t get_pixel(GB_gameboy_t *gb, unsigned char x, unsigned char y) tile_address = tile * 0x10; } else { - tile_address = (signed char) tile * 0x10 + 0x1000; + tile_address = (int8_t) tile * 0x10 + 0x1000; } if (attributes & 0x8) { tile_address += 0x2000; @@ -171,7 +171,7 @@ void display_vblank(GB_gameboy_t *gb) if (gb->turbo) { struct timeval now; gettimeofday(&now, NULL); - signed long nanoseconds = (now.tv_usec) * 1000 + now.tv_sec * 1000000000L; + int64_t nanoseconds = (now.tv_usec) * 1000 + now.tv_sec * 1000000000L; if (nanoseconds <= gb->last_vblank + FRAME_LENGTH) { return; } @@ -209,7 +209,7 @@ void display_vblank(GB_gameboy_t *gb) struct timespec sleep = {0,}; gettimeofday(&now, NULL); signed long nanoseconds = (now.tv_usec) * 1000 + now.tv_sec * 1000000000L; - if (labs(nanoseconds - gb->last_vblank) < FRAME_LENGTH ) { + if (labs((signed long)(nanoseconds - gb->last_vblank)) < FRAME_LENGTH ) { sleep.tv_nsec = (FRAME_LENGTH + gb->last_vblank - nanoseconds); nanosleep(&sleep, NULL); @@ -221,21 +221,21 @@ void display_vblank(GB_gameboy_t *gb) } } -static inline unsigned char scale_channel(unsigned char x) +static inline uint8_t scale_channel(uint8_t x) { x &= 0x1f; return (x << 3) | (x >> 2); } -void palette_changed(GB_gameboy_t *gb, bool background_palette, unsigned char index) +void GB_palette_changed(GB_gameboy_t *gb, bool background_palette, uint8_t index) { - unsigned char *palette_data = background_palette? gb->background_palletes_data : gb->sprite_palletes_data; - unsigned short color = palette_data[index & ~1] | (palette_data[index | 1] << 8); + uint8_t *palette_data = background_palette? gb->background_palletes_data : gb->sprite_palletes_data; + uint16_t color = palette_data[index & ~1] | (palette_data[index | 1] << 8); // No need to &, scale channel does that. - unsigned char r = scale_channel(color); - unsigned char g = scale_channel(color >> 5); - unsigned char b = scale_channel(color >> 10); + uint8_t r = scale_channel(color); + uint8_t g = scale_channel(color >> 5); + uint8_t b = scale_channel(color >> 10); assert (gb->rgb_encode_callback); (background_palette? gb->background_palletes_rgb : gb->sprite_palletes_rgb)[index / 2] = gb->rgb_encode_callback(gb, r, g, b); } @@ -257,7 +257,7 @@ void palette_changed(GB_gameboy_t *gb, bool background_palette, unsigned char in #define MODE1_LENGTH 204 #define LINE_LENGTH (MODE2_LENGTH + MODE3_LENGTH + MODE1_LENGTH) // = 456 -void display_run(GB_gameboy_t *gb) +void GB_display_run(GB_gameboy_t *gb) { /* Display controller bug: For some reason, the OAM STAT interrupt is called, as expected, for LY = 0..143. @@ -271,10 +271,10 @@ void display_run(GB_gameboy_t *gb) http://board.byuu.org/phpbb3/viewtopic.php?p=25527#p25531 */ - unsigned char previous_stat_interrupt_line = gb->stat_interrupt_line; + uint8_t previous_stat_interrupt_line = gb->stat_interrupt_line; gb->stat_interrupt_line = false; - unsigned char last_mode = gb->io_registers[GB_IO_STAT] & 3; + uint8_t last_mode = gb->io_registers[GB_IO_STAT] & 3; gb->io_registers[GB_IO_STAT] &= ~3; if (gb->display_cycles >= LCDC_PERIOD) { @@ -360,7 +360,7 @@ void display_run(GB_gameboy_t *gb) /* Render. This chunk is outside the Mode 3 if, because otherwise we might not render some pixels, since this function only runs between atomic CPU changes, and not every clock. */ - signed short current_lcdc_x = ((gb->display_cycles % LINE_LENGTH - MODE2_LENGTH) & ~7) - (gb->effective_scx & 0x7); + int16_t current_lcdc_x = ((gb->display_cycles % LINE_LENGTH - MODE2_LENGTH) & ~7) - (gb->effective_scx & 0x7); for (;gb->previous_lcdc_x < current_lcdc_x; gb->previous_lcdc_x++) { if (gb->previous_lcdc_x >= 160) { continue; diff --git a/Core/display.h b/Core/display.h index 3d9ebd2..c154284 100644 --- a/Core/display.h +++ b/Core/display.h @@ -2,6 +2,6 @@ #define display_h #include "gb.h" -void display_run(GB_gameboy_t *gb); -void palette_changed(GB_gameboy_t *gb, bool background_palette, unsigned char index); +void GB_display_run(GB_gameboy_t *gb); +void GB_palette_changed(GB_gameboy_t *gb, bool background_palette, uint8_t index); #endif /* display_h */ diff --git a/Core/gb.c b/Core/gb.c index 99eafaa..b1b3f8b 100644 --- a/Core/gb.c +++ b/Core/gb.c @@ -59,7 +59,7 @@ static const GB_cartridge_t cart_defs[256] = { { NO_MBC, true , true , false, false}, // FFh HuC1+RAM+BATTERY }; -void gb_attributed_logv(GB_gameboy_t *gb, gb_log_attributes attributes, const char *fmt, va_list args) +void GB_attributed_logv(GB_gameboy_t *gb, GB_log_attributes attributes, const char *fmt, va_list args) { char *string = NULL; vasprintf(&string, fmt, args); @@ -75,19 +75,19 @@ void gb_attributed_logv(GB_gameboy_t *gb, gb_log_attributes attributes, const ch free(string); } -void gb_attributed_log(GB_gameboy_t *gb, gb_log_attributes attributes, const char *fmt, ...) +void GB_attributed_log(GB_gameboy_t *gb, GB_log_attributes attributes, const char *fmt, ...) { va_list args; va_start(args, fmt); - gb_attributed_logv(gb, attributes, fmt, args); + GB_attributed_logv(gb, attributes, fmt, args); va_end(args); } -void gb_log(GB_gameboy_t *gb,const char *fmt, ...) +void GB_log(GB_gameboy_t *gb,const char *fmt, ...) { va_list args; va_start(args, fmt); - gb_attributed_logv(gb, 0, fmt, args); + GB_attributed_logv(gb, 0, fmt, args); va_end(args); } @@ -109,7 +109,7 @@ static char *default_input_callback(GB_gameboy_t *gb) return expression; } -void gb_init(GB_gameboy_t *gb) +void GB_init(GB_gameboy_t *gb) { memset(gb, 0, sizeof(*gb)); gb->magic = (uintptr_t)'SAME'; @@ -136,7 +136,7 @@ void gb_init(GB_gameboy_t *gb) gb->io_registers[GB_IO_JOYP] = 0xF; } -void gb_init_cgb(GB_gameboy_t *gb) +void GB_init_cgb(GB_gameboy_t *gb) { memset(gb, 0, sizeof(*gb)); gb->magic = (uintptr_t)'SAME'; @@ -160,7 +160,7 @@ void gb_init_cgb(GB_gameboy_t *gb) gb->io_registers[GB_IO_JOYP] = 0xF; } -void gb_free(GB_gameboy_t *gb) +void GB_free(GB_gameboy_t *gb) { if (gb->ram) { free(gb->ram); @@ -182,16 +182,16 @@ void gb_free(GB_gameboy_t *gb) } } -int gb_load_bios(GB_gameboy_t *gb, const char *path) +int GB_load_boot_rom(GB_gameboy_t *gb, const char *path) { FILE *f = fopen(path, "r"); if (!f) return errno; - fread(gb->bios, sizeof(gb->bios), 1, f); + fread(gb->boot_rom, sizeof(gb->boot_rom), 1, f); fclose(f); return 0; } -int gb_load_rom(GB_gameboy_t *gb, const char *path) +int GB_load_rom(GB_gameboy_t *gb, const char *path) { FILE *f = fopen(path, "r"); if (!f) return errno; @@ -228,7 +228,7 @@ static bool dump_section(FILE *f, const void *src, uint32_t size) #define DUMP_SECTION(gb, f, section) dump_section(f, GB_GET_SECTION(gb, section), GB_SECTION_SIZE(section)) /* Todo: we need a sane and protable save state format. */ -int gb_save_state(GB_gameboy_t *gb, const char *path) +int GB_save_state(GB_gameboy_t *gb, const char *path) { FILE *f = fopen(path, "w"); if (!f) { @@ -290,7 +290,7 @@ static bool read_section(FILE *f, void *dest, uint32_t size) #define READ_SECTION(gb, f, section) read_section(f, GB_GET_SECTION(gb, section), GB_SECTION_SIZE(section)) -int gb_load_state(GB_gameboy_t *gb, const char *path) +int GB_load_state(GB_gameboy_t *gb, const char *path) { GB_gameboy_t save; @@ -313,31 +313,31 @@ int gb_load_state(GB_gameboy_t *gb, const char *path) if (!READ_SECTION(&save, f, video )) goto error; if (gb->magic != save.magic) { - gb_log(gb, "File is not a save state, or is from an incompatible operating system.\n"); + GB_log(gb, "File is not a save state, or is from an incompatible operating system.\n"); errno = -1; goto error; } if (gb->version != save.version) { - gb_log(gb, "Save state is for a different version of SameBoy.\n"); + GB_log(gb, "Save state is for a different version of SameBoy.\n"); errno = -1; goto error; } if (gb->mbc_ram_size != save.mbc_ram_size) { - gb_log(gb, "Save state has non-matching MBC RAM size.\n"); + GB_log(gb, "Save state has non-matching MBC RAM size.\n"); errno = -1; goto error; } if (gb->ram_size != save.ram_size) { - gb_log(gb, "Save state has non-matching RAM size. Try changing emulated model.\n"); + GB_log(gb, "Save state has non-matching RAM size. Try changing emulated model.\n"); errno = -1; goto error; } if (gb->vram_size != save.vram_size) { - gb_log(gb, "Save state has non-matching VRAM size. Try changing emulated model.\n"); + GB_log(gb, "Save state has non-matching VRAM size. Try changing emulated model.\n"); errno = -1; goto error; } @@ -364,7 +364,7 @@ error: return errno; } -int gb_save_battery(GB_gameboy_t *gb, const char *path) +int GB_save_battery(GB_gameboy_t *gb, const char *path) { if (!gb->cartridge_type->has_battery) return 0; // Nothing to save. if (gb->mbc_ram_size == 0 && !gb->cartridge_type->has_rtc) return 0; /* Claims to have battery, but has no RAM or RTC */ @@ -395,7 +395,7 @@ int gb_save_battery(GB_gameboy_t *gb, const char *path) } /* Loading will silently stop if the format is incomplete */ -void gb_load_battery(GB_gameboy_t *gb, const char *path) +void GB_load_battery(GB_gameboy_t *gb, const char *path) { FILE *f = fopen(path, "r"); if (!f) { @@ -433,39 +433,39 @@ exit: return; } -void gb_run(GB_gameboy_t *gb) +void GB_run(GB_gameboy_t *gb) { - update_joyp(gb); - debugger_run(gb); - cpu_run(gb); + GB_update_joyp(gb); + GB_debugger_run(gb); + GB_cpu_run(gb); } -void gb_set_pixels_output(GB_gameboy_t *gb, uint32_t *output) +void GB_set_pixels_output(GB_gameboy_t *gb, uint32_t *output) { gb->screen = output; } -void gb_set_vblank_callback(GB_gameboy_t *gb, GB_vblank_callback_t callback) +void GB_set_vblank_callback(GB_gameboy_t *gb, GB_vblank_callback_t callback) { gb->vblank_callback = callback; } -void gb_set_log_callback(GB_gameboy_t *gb, GB_log_callback_t callback) +void GB_set_log_callback(GB_gameboy_t *gb, GB_log_callback_t callback) { gb->log_callback = callback; } -void gb_set_input_callback(GB_gameboy_t *gb, GB_input_callback_t callback) +void GB_set_input_callback(GB_gameboy_t *gb, GB_input_callback_t callback) { gb->input_callback = callback; } -void gb_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callback) +void GB_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callback) { gb->rgb_encode_callback = callback; } -void gb_set_sample_rate(GB_gameboy_t *gb, unsigned int sample_rate) +void GB_set_sample_rate(GB_gameboy_t *gb, unsigned int sample_rate) { if (gb->audio_buffer) { free(gb->audio_buffer); diff --git a/Core/gb.h b/Core/gb.h index cf2fca7..e7bbed2 100644 --- a/Core/gb.h +++ b/Core/gb.h @@ -1,5 +1,5 @@ -#ifndef gb_h -#define gb_h +#ifndef GB_h +#define GB_h #include #include #include @@ -8,7 +8,7 @@ #include "save_struct.h" -#define GB_STRUCT_VERSION 8 +#define GB_STRUCT_VERSION 9 enum { GB_REGISTER_AF, @@ -146,14 +146,14 @@ typedef enum { GB_LOG_DASHED_UNDERLINE = 2, GB_LOG_UNDERLINE = 4, GB_LOG_UNDERLINE_MASK = GB_LOG_DASHED_UNDERLINE | GB_LOG_UNDERLINE -} gb_log_attributes; +} GB_log_attributes; struct GB_gameboy_s; typedef struct GB_gameboy_s GB_gameboy_t; typedef void (*GB_vblank_callback_t)(GB_gameboy_t *gb); -typedef void (*GB_log_callback_t)(GB_gameboy_t *gb, const char *string, gb_log_attributes attributes); +typedef void (*GB_log_callback_t)(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes); typedef char *(*GB_input_callback_t)(GB_gameboy_t *gb); -typedef uint32_t (*GB_rgb_encode_callback_t)(GB_gameboy_t *gb, unsigned char r, unsigned char g, unsigned char b); +typedef uint32_t (*GB_rgb_encode_callback_t)(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b); typedef struct { enum { @@ -172,21 +172,32 @@ typedef struct { /* When state saving, each section is dumped independently of other sections. This allows adding data to the end of the section without worrying about future compatibility. - Some other changes might be "safe" as well. */ + Some other changes might be "safe" as well. + This struct is not packed, but dumped sections exclusively use types that have the same alignment in both 32 and 64 + bit platforms. */ + +/* We make sure bool is 1 for cross-platform save state compatibility. */ +/* Todo: We might want to typedef our own bool if this prevents SameBoy from working on specific platforms. */ +_Static_assert(sizeof(bool) == 1, "sizeof(bool) != 1"); typedef struct GB_gameboy_s { GB_SECTION(header, - uintptr_t magic; // States are currently platform dependent - int version; // and version dependent + /* The magic makes sure a state file is: + - Indeed a SameBoy state file. + - Has the same endianess has the current platform. */ + uint32_t magic; + /* The version field makes sure we don't load save state files with a completely different structure. + This happens when struct fields are removed/resized in an backward incompatible manner. */ + uint32_t version; ); GB_SECTION(core_state, /* Registers */ - unsigned short pc; - unsigned short registers[GB_REGISTERS_16_BIT]; + uint16_t pc; + uint16_t registers[GB_REGISTERS_16_BIT]; bool ime; - unsigned char interrupt_enable; - unsigned char cgb_ram_bank; + uint8_t interrupt_enable; + uint8_t cgb_ram_bank; /* CPU and General Hardware Flags*/ bool cgb_mode; @@ -194,23 +205,23 @@ typedef struct GB_gameboy_s { bool cgb_double_speed; bool halted; bool stopped; - bool bios_finished; + bool boot_rom_finished; ); /* HDMA */ GB_SECTION(hdma, bool hdma_on; bool hdma_on_hblank; - unsigned char hdma_steps_left; - unsigned short hdma_cycles; - unsigned short hdma_current_src, hdma_current_dest; + uint8_t hdma_steps_left; + uint16_t hdma_cycles; + uint16_t hdma_current_src, hdma_current_dest; ); /* MBC */ GB_SECTION(mbc, - unsigned short mbc_rom_bank; - unsigned char mbc_ram_bank; - size_t mbc_ram_size; + uint16_t mbc_rom_bank; + uint8_t mbc_ram_bank; + uint32_t mbc_ram_size; bool mbc_ram_enable; bool mbc_ram_banking; ); @@ -218,18 +229,18 @@ typedef struct GB_gameboy_s { /* HRAM and HW Registers */ GB_SECTION(hram, - unsigned char hram[0xFFFF - 0xFF80]; - unsigned char io_registers[0x80]; + uint8_t hram[0xFFFF - 0xFF80]; + uint8_t io_registers[0x80]; ); /* Timing */ GB_SECTION(timing, - signed long last_vblank; - unsigned long display_cycles; - unsigned long div_cycles; - unsigned long tima_cycles; - unsigned long dma_cycles; - double apu_cycles; + int64_t last_vblank; + uint32_t display_cycles; + uint32_t div_cycles; + uint32_t tima_cycles; + uint32_t dma_cycles; + GB_aligned_double apu_cycles; ); /* APU */ @@ -241,47 +252,45 @@ typedef struct GB_gameboy_s { GB_SECTION(rtc, union { struct { - unsigned char rtc_seconds; - unsigned char rtc_minutes; - unsigned char rtc_hours; - unsigned char rtc_days; - unsigned char rtc_high; + uint8_t rtc_seconds; + uint8_t rtc_minutes; + uint8_t rtc_hours; + uint8_t rtc_days; + uint8_t rtc_high; }; - unsigned char rtc_data[5]; + uint8_t rtc_data[5]; }; time_t last_rtc_second; ); /* Video Display */ GB_SECTION(video, - unsigned long vram_size; // Different between CGB and DMG - unsigned char cgb_vram_bank; - unsigned char oam[0xA0]; - unsigned char background_palletes_data[0x40]; - unsigned char sprite_palletes_data[0x40]; + uint32_t vram_size; // Different between CGB and DMG + uint8_t cgb_vram_bank; + uint8_t oam[0xA0]; + uint8_t background_palletes_data[0x40]; + uint8_t sprite_palletes_data[0x40]; uint32_t background_palletes_rgb[0x20]; uint32_t sprite_palletes_rgb[0x20]; - GB_PADDING(bool, ly144_bug_oam); - GB_PADDING(bool, ly144_bug_hblank); - signed short previous_lcdc_x; - unsigned char padding; + int16_t previous_lcdc_x; + uint8_t padding; bool effective_window_enabled; - unsigned char effective_window_y; + uint8_t effective_window_y; bool stat_interrupt_line; - unsigned char effective_scx; + uint8_t effective_scx; ); /* Unsaved data. This includes all pointers, as well as everything that shouldn't be on a save state */ /* ROM */ - unsigned char *rom; - size_t rom_size; + uint8_t *rom; + uint32_t rom_size; const GB_cartridge_t *cartridge_type; /* Various RAMs */ - unsigned char *ram; - unsigned char *vram; - unsigned char *mbc_ram; + uint8_t *ram; + uint8_t *vram; + uint8_t *mbc_ram; /* I/O */ uint32_t *screen; @@ -305,17 +314,17 @@ typedef struct GB_gameboy_s { /* Debugger */ int debug_call_depth; bool debug_fin_command, debug_next_command; - unsigned short n_breakpoints; - unsigned short *breakpoints; + uint16_t n_breakpoints; + uint16_t *breakpoints; bool stack_leak_detection; - unsigned short sp_for_call_depth[0x200]; /* Should be much more than enough */ - unsigned short addr_for_call_depth[0x200]; + uint16_t sp_for_call_depth[0x200]; /* Should be much more than enough */ + uint16_t addr_for_call_depth[0x200]; bool debug_stopped; /* Misc */ bool turbo; - unsigned long ram_size; // Different between CGB and DMG - unsigned char bios[0x900]; + uint32_t ram_size; // Different between CGB and DMG + uint8_t boot_rom[0x900]; } GB_gameboy_t; @@ -325,23 +334,23 @@ typedef struct GB_gameboy_s { __attribute__((__format__ (__printf__, fmtarg, firstvararg))) #endif -void gb_init(GB_gameboy_t *gb); -void gb_init_cgb(GB_gameboy_t *gb); -void gb_free(GB_gameboy_t *gb); -int gb_load_bios(GB_gameboy_t *gb, const char *path); -int gb_load_rom(GB_gameboy_t *gb, const char *path); -int gb_save_battery(GB_gameboy_t *gb, const char *path); -void gb_load_battery(GB_gameboy_t *gb, const char *path); -int gb_save_state(GB_gameboy_t *gb, const char *path); -int gb_load_state(GB_gameboy_t *gb, const char *path); -void gb_run(GB_gameboy_t *gb); -void gb_set_pixels_output(GB_gameboy_t *gb, uint32_t *output); -void gb_set_vblank_callback(GB_gameboy_t *gb, GB_vblank_callback_t callback); -void gb_set_log_callback(GB_gameboy_t *gb, GB_log_callback_t callback); -void gb_log(GB_gameboy_t *gb, const char *fmt, ...) __printflike(2, 3); -void gb_attributed_log(GB_gameboy_t *gb, gb_log_attributes attributes, const char *fmt, ...) __printflike(3, 4); -void gb_set_input_callback(GB_gameboy_t *gb, GB_input_callback_t callback); -void gb_set_sample_rate(GB_gameboy_t *gb, unsigned int sample_rate); -void gb_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callback); +void GB_init(GB_gameboy_t *gb); +void GB_init_cgb(GB_gameboy_t *gb); +void GB_free(GB_gameboy_t *gb); +int GB_load_boot_rom(GB_gameboy_t *gb, const char *path); +int GB_load_rom(GB_gameboy_t *gb, const char *path); +int GB_save_battery(GB_gameboy_t *gb, const char *path); +void GB_load_battery(GB_gameboy_t *gb, const char *path); +int GB_save_state(GB_gameboy_t *gb, const char *path); +int GB_load_state(GB_gameboy_t *gb, const char *path); +void GB_run(GB_gameboy_t *gb); +void GB_set_pixels_output(GB_gameboy_t *gb, uint32_t *output); +void GB_set_vblank_callback(GB_gameboy_t *gb, GB_vblank_callback_t callback); +void GB_set_log_callback(GB_gameboy_t *gb, GB_log_callback_t callback); +void GB_log(GB_gameboy_t *gb, const char *fmt, ...) __printflike(2, 3); +void GB_attributed_log(GB_gameboy_t *gb, GB_log_attributes attributes, const char *fmt, ...) __printflike(3, 4); +void GB_set_input_callback(GB_gameboy_t *gb, GB_input_callback_t callback); +void GB_set_sample_rate(GB_gameboy_t *gb, unsigned int sample_rate); +void GB_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callback); -#endif /* gb_h */ +#endif /* GB_h */ diff --git a/Core/joypad.c b/Core/joypad.c index aee016e..89bcba8 100644 --- a/Core/joypad.c +++ b/Core/joypad.c @@ -2,10 +2,10 @@ #include "gb.h" #include "joypad.h" -void update_joyp(GB_gameboy_t *gb) +void GB_update_joyp(GB_gameboy_t *gb) { - unsigned char key_selection = 0; - unsigned char previous_state = 0; + uint8_t key_selection = 0; + uint8_t previous_state = 0; /* Todo: add delay to key selection */ previous_state = gb->io_registers[GB_IO_JOYP] & 0xF; @@ -19,21 +19,21 @@ void update_joyp(GB_gameboy_t *gb) case 2: /* Direction keys */ - for (unsigned char i = 0; i < 4; i++) { + for (uint8_t i = 0; i < 4; i++) { gb->io_registers[GB_IO_JOYP] |= (!gb->keys[i]) << i; } break; case 1: /* Other keys */ - for (unsigned char i = 0; i < 4; i++) { + for (uint8_t i = 0; i < 4; i++) { gb->io_registers[GB_IO_JOYP] |= (!gb->keys[i + 4]) << i; } break; case 0: /* Todo: verifiy this is correct */ - for (unsigned char i = 0; i < 4; i++) { + for (uint8_t i = 0; i < 4; i++) { gb->io_registers[GB_IO_JOYP] |= (!gb->keys[i]) << i; gb->io_registers[GB_IO_JOYP] |= (!gb->keys[i + 4]) << i; } diff --git a/Core/joypad.h b/Core/joypad.h index c148e3c..e7487a5 100644 --- a/Core/joypad.h +++ b/Core/joypad.h @@ -2,7 +2,7 @@ #define joypad_h #include "gb.h" -void update_joyp(GB_gameboy_t *gb); -void update_keys_status(GB_gameboy_t *gb); +void GB_update_joyp(GB_gameboy_t *gb); +void GB_update_keys_status(GB_gameboy_t *gb); #endif /* joypad_h */ diff --git a/Core/memory.c b/Core/memory.c index 1619642..812ba6b 100644 --- a/Core/memory.c +++ b/Core/memory.c @@ -5,17 +5,17 @@ #include "display.h" #include "memory.h" -typedef unsigned char GB_read_function_t(GB_gameboy_t *gb, unsigned short addr); -typedef void GB_write_function_t(GB_gameboy_t *gb, unsigned short addr, unsigned char value); +typedef uint8_t GB_read_function_t(GB_gameboy_t *gb, uint16_t addr); +typedef void GB_write_function_t(GB_gameboy_t *gb, uint16_t addr, uint8_t value); -static unsigned char read_rom(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_rom(GB_gameboy_t *gb, uint16_t addr) { - if (addr < 0x100 && !gb->bios_finished) { - return gb->bios[addr]; + if (addr < 0x100 && !gb->boot_rom_finished) { + return gb->boot_rom[addr]; } - if (addr >= 0x200 && addr < 0x900 && gb->is_cgb && !gb->bios_finished) { - return gb->bios[addr]; + if (addr >= 0x200 && addr < 0x900 && gb->is_cgb && !gb->boot_rom_finished) { + return gb->boot_rom[addr]; } if (!gb->rom_size) { @@ -24,7 +24,7 @@ static unsigned char read_rom(GB_gameboy_t *gb, unsigned short addr) return gb->rom[addr]; } -static unsigned char read_mbc_rom(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_mbc_rom(GB_gameboy_t *gb, uint16_t addr) { if (gb->mbc_rom_bank >= gb->rom_size / 0x4000) { return 0xFF; @@ -32,15 +32,15 @@ static unsigned char read_mbc_rom(GB_gameboy_t *gb, unsigned short addr) return gb->rom[(addr & 0x3FFF) + gb->mbc_rom_bank * 0x4000]; } -static unsigned char read_vram(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_vram(GB_gameboy_t *gb, uint16_t addr) { if ((gb->io_registers[GB_IO_STAT] & 0x3) == 3) { return 0xFF; } - return gb->vram[(addr & 0x1FFF) + (unsigned short) gb->cgb_vram_bank * 0x2000]; + return gb->vram[(addr & 0x1FFF) + (uint16_t) gb->cgb_vram_bank * 0x2000]; } -static unsigned char read_mbc_ram(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_mbc_ram(GB_gameboy_t *gb, uint16_t addr) { if (gb->cartridge_type->has_rtc && gb->mbc_ram_bank >= 8 && gb->mbc_ram_bank <= 0xC) { /* RTC read */ @@ -50,27 +50,27 @@ static unsigned char read_mbc_ram(GB_gameboy_t *gb, unsigned short addr) unsigned int ram_index = (addr & 0x1FFF) + gb->mbc_ram_bank * 0x2000; if (!gb->mbc_ram_enable) { - gb_log(gb, "Read from %02x:%04x (%06x) (Disabled MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); + GB_log(gb, "Read from %02x:%04x (%06x) (Disabled MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); return 0xFF; } if (ram_index >= gb->mbc_ram_size) { - gb_log(gb, "Read from %02x:%04x (%06x) (Unmapped MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); + GB_log(gb, "Read from %02x:%04x (%06x) (Unmapped MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); return 0xFF; } return gb->mbc_ram[(addr & 0x1FFF) + gb->mbc_ram_bank * 0x2000]; } -static unsigned char read_ram(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_ram(GB_gameboy_t *gb, uint16_t addr) { return gb->ram[addr & 0x0FFF]; } -static unsigned char read_banked_ram(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_banked_ram(GB_gameboy_t *gb, uint16_t addr) { return gb->ram[(addr & 0x0FFF) + gb->cgb_ram_bank * 0x1000]; } -static unsigned char read_high_memory(GB_gameboy_t *gb, unsigned short addr) +static uint8_t read_high_memory(GB_gameboy_t *gb, uint16_t addr) { if (addr < 0xFE00) { @@ -150,7 +150,7 @@ static unsigned char read_high_memory(GB_gameboy_t *gb, unsigned short addr) if (!gb->is_cgb) { return 0xFF; } - unsigned char index_reg = (addr & 0xFF) - 1; + uint8_t index_reg = (addr & 0xFF) - 1; return ((addr & 0xFF) == GB_IO_BGPD? gb->background_palletes_data : gb->sprite_palletes_data)[gb->io_registers[index_reg] & 0x3F]; @@ -165,7 +165,7 @@ static unsigned char read_high_memory(GB_gameboy_t *gb, unsigned short addr) default: if ((addr & 0xFF) >= GB_IO_NR10 && (addr & 0xFF) <= GB_IO_WAV_END) { - return apu_read(gb, addr & 0xFF); + return GB_apu_read(gb, addr & 0xFF); } return 0xFF; } @@ -192,7 +192,7 @@ static GB_read_function_t * const read_map[] = read_high_memory, read_high_memory, /* EXXX FXXX */ }; -unsigned char read_memory(GB_gameboy_t *gb, unsigned short addr) +uint8_t GB_read_memory(GB_gameboy_t *gb, uint16_t addr) { if (addr < 0xFF00 && gb->dma_cycles) { /* Todo: can we access IO registers during DMA? */ @@ -201,7 +201,7 @@ unsigned char read_memory(GB_gameboy_t *gb, unsigned short addr) return read_map[addr >> 12](gb, addr); } -static void write_mbc(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_mbc(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { if (gb->cartridge_type->mbc_type == NO_MBC) return; switch (addr >> 12) { @@ -223,7 +223,7 @@ static void write_mbc(GB_gameboy_t *gb, unsigned short addr, unsigned char value case 3: if (gb->cartridge_type->mbc_type != MBC5) goto bank_low; if (value > 1) { - gb_log(gb, "Bank overflow: [%x] <- %d\n", addr, value); + GB_log(gb, "Bank overflow: [%x] <- %d\n", addr, value); } gb->mbc_rom_bank = (gb->mbc_rom_bank & 0xFF) | value << 8; break; @@ -274,16 +274,16 @@ static void write_mbc(GB_gameboy_t *gb, unsigned short addr, unsigned char value } } -static void write_vram(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_vram(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { if ((gb->io_registers[GB_IO_STAT] & 0x3) == 3) { - //gb_log(gb, "Wrote %02x to %04x (VRAM) during mode 3\n", value, addr); + //GB_log(gb, "Wrote %02x to %04x (VRAM) during mode 3\n", value, addr); return; } - gb->vram[(addr & 0x1FFF) + (unsigned short) gb->cgb_vram_bank * 0x2000] = value; + gb->vram[(addr & 0x1FFF) + (uint16_t) gb->cgb_vram_bank * 0x2000] = value; } -static void write_mbc_ram(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_mbc_ram(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { if (gb->mbc_ram_bank >= 8 && gb->mbc_ram_bank <= 0xC) { /* RTC write*/ @@ -294,30 +294,30 @@ static void write_mbc_ram(GB_gameboy_t *gb, unsigned short addr, unsigned char v unsigned int ram_index = (addr & 0x1FFF) + gb->mbc_ram_bank * 0x2000; if (!gb->mbc_ram_enable) { - gb_log(gb, "Write to %02x:%04x (%06x) (Disabled MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); + GB_log(gb, "Write to %02x:%04x (%06x) (Disabled MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); return; } if (ram_index >= gb->mbc_ram_size) { - gb_log(gb, "Write to %02x:%04x (%06x) (Unmapped MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); + GB_log(gb, "Write to %02x:%04x (%06x) (Unmapped MBC RAM)\n", gb->mbc_ram_bank, addr, ram_index); return; } gb->mbc_ram[(addr & 0x1FFF) + gb->mbc_ram_bank * 0x2000] = value; } -static void write_ram(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_ram(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { gb->ram[addr & 0x0FFF] = value; } -static void write_banked_ram(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_banked_ram(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { gb->ram[(addr & 0x0FFF) + gb->cgb_ram_bank * 0x1000] = value; } -static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +static void write_high_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { if (addr < 0xFE00) { - gb_log(gb, "Wrote %02x to %04x (RAM Mirror)\n", value, addr); + GB_log(gb, "Wrote %02x to %04x (RAM Mirror)\n", value, addr); gb->ram[addr & 0x0FFF] = value; return; } @@ -331,7 +331,7 @@ static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned ch } if (addr < 0xFF00) { - gb_log(gb, "Wrote %02x to %04x (Unused)\n", value, addr); + GB_log(gb, "Wrote %02x to %04x (Unused)\n", value, addr); return; } @@ -386,19 +386,19 @@ static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned ch return; case GB_IO_BIOS: - gb->bios_finished = true; + gb->boot_rom_finished = true; return; case GB_IO_DMG_EMULATION: - if (gb->is_cgb && !gb->bios_finished) { + if (gb->is_cgb && !gb->boot_rom_finished) { gb->cgb_mode = value != 4; /* The real "contents" of this register aren't quite known yet. */ } return; case GB_IO_DMA: if (value <= 0xF1) { /* According to Pan Docs */ - for (unsigned char i = 0xA0; i--;) { - gb->oam[i] = read_memory(gb, (value << 8) + i); + for (uint8_t i = 0xA0; i--;) { + gb->oam[i] = GB_read_memory(gb, (value << 8) + i); } } /* else { what? } */ @@ -433,11 +433,11 @@ static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned ch if (!gb->is_cgb) { return; } - unsigned char index_reg = (addr & 0xFF) - 1; + uint8_t index_reg = (addr & 0xFF) - 1; ((addr & 0xFF) == GB_IO_BGPD? gb->background_palletes_data : gb->sprite_palletes_data)[gb->io_registers[index_reg] & 0x3F] = value; - palette_changed(gb, (addr & 0xFF) == GB_IO_BGPD, gb->io_registers[index_reg] & 0x3F); + GB_palette_changed(gb, (addr & 0xFF) == GB_IO_BGPD, gb->io_registers[index_reg] & 0x3F); if (gb->io_registers[index_reg] & 0x80) { gb->io_registers[index_reg]++; gb->io_registers[index_reg] |= 0x80; @@ -477,11 +477,11 @@ static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned ch default: if ((addr & 0xFF) >= GB_IO_NR10 && (addr & 0xFF) <= GB_IO_WAV_END) { - apu_write(gb, addr & 0xFF, value); + GB_apu_write(gb, addr & 0xFF, value); return; } if (gb->io_registers[addr & 0xFF] != 0x37) { - gb_log(gb, "Wrote %02x to %04x (HW Register)\n", value, addr); + GB_log(gb, "Wrote %02x to %04x (HW Register)\n", value, addr); } gb->io_registers[addr & 0xFF] = 0x37; return; @@ -510,7 +510,7 @@ static GB_write_function_t * const write_map[] = write_high_memory, write_high_memory, /* EXXX FXXX */ }; -void write_memory(GB_gameboy_t *gb, unsigned short addr, unsigned char value) +void GB_write_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value) { if (addr < 0xFF00 && gb->dma_cycles) { /* Todo: can we access IO registers during DMA? */ @@ -519,18 +519,18 @@ void write_memory(GB_gameboy_t *gb, unsigned short addr, unsigned char value) write_map[addr >> 12](gb, addr, value); } -void hdma_run(GB_gameboy_t *gb) +void GB_hdma_run(GB_gameboy_t *gb) { if (!gb->hdma_on) return; while (gb->hdma_cycles >= 8) { gb->hdma_cycles -= 8; - // The CGB bios uses the dest in "absolute" space, while some games use it relative to VRAM. + // The CGB boot rom uses the dest in "absolute" space, while some games use it relative to VRAM. // This "normalizes" the dest to the CGB address space. gb->hdma_current_dest &= 0x1fff; gb->hdma_current_dest |= 0x8000; if ((gb->hdma_current_src < 0x8000 || (gb->hdma_current_src >= 0xa000 && gb->hdma_current_src < 0xe000))) { - for (unsigned char i = 0; i < 0x10; i++) { - write_memory(gb, gb->hdma_current_dest + i, read_memory(gb, gb->hdma_current_src + i)); + for (uint8_t i = 0; i < 0x10; i++) { + GB_write_memory(gb, gb->hdma_current_dest + i, GB_read_memory(gb, gb->hdma_current_src + i)); } } else { diff --git a/Core/memory.h b/Core/memory.h index bd46026..f904f8c 100644 --- a/Core/memory.h +++ b/Core/memory.h @@ -2,8 +2,8 @@ #define memory_h #include "gb.h" -unsigned char read_memory(GB_gameboy_t *gb, unsigned short addr); -void write_memory(GB_gameboy_t *gb, unsigned short addr, unsigned char value); -void hdma_run(GB_gameboy_t *gb); +uint8_t GB_read_memory(GB_gameboy_t *gb, uint16_t addr); +void GB_write_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value); +void GB_hdma_run(GB_gameboy_t *gb); #endif /* memory_h */ diff --git a/Core/save_struct.h b/Core/save_struct.h index d88922c..eff2dc3 100644 --- a/Core/save_struct.h +++ b/Core/save_struct.h @@ -4,9 +4,11 @@ #define GB_PADDING(type, old_usage) type old_usage##__do_not_use -#define GB_SECTION(name, ...) __attribute__ ((aligned (sizeof(void*)))) struct {} name##_section_start; __VA_ARGS__; struct {} name##_section_end +#define GB_SECTION(name, ...) __attribute__ ((aligned (8))) struct {} name##_section_start; __VA_ARGS__; struct {} name##_section_end #define GB_SECTION_OFFSET(name) (offsetof(GB_gameboy_t, name##_section_start)) #define GB_SECTION_SIZE(name) (offsetof(GB_gameboy_t, name##_section_end) - offsetof(GB_gameboy_t, name##_section_start)) #define GB_GET_SECTION(gb, name) ((void*)&((gb)->name##_section_start)) +#define GB_aligned_double __attribute__ ((aligned (8))) double + #endif /* save_struct_h */ diff --git a/Core/timing.c b/Core/timing.c index 249647b..f07858d 100644 --- a/Core/timing.c +++ b/Core/timing.c @@ -3,7 +3,7 @@ #include "memory.h" #include "display.h" -void advance_cycles(GB_gameboy_t *gb, unsigned char cycles) +void GB_advance_cycles(GB_gameboy_t *gb, uint8_t cycles) { // Affected by speed boost if (gb->dma_cycles > cycles){ @@ -24,16 +24,16 @@ void advance_cycles(GB_gameboy_t *gb, unsigned char cycles) gb->hdma_cycles += cycles; gb->display_cycles += cycles; gb->apu_cycles += cycles; - hdma_run(gb); - timers_run(gb); - apu_run(gb); - display_run(gb); + GB_hdma_run(gb); + GB_timers_run(gb); + GB_apu_run(gb); + GB_display_run(gb); } -void timers_run(GB_gameboy_t *gb) +void GB_timers_run(GB_gameboy_t *gb) { /* Standard Timers */ - static const unsigned long GB_TAC_RATIOS[] = {1024, 16, 64, 256}; + static const unsigned int GB_TAC_RATIOS[] = {1024, 16, 64, 256}; if (gb->div_cycles >= DIV_CYCLES) { gb->div_cycles -= DIV_CYCLES; diff --git a/Core/timing.h b/Core/timing.h index 0364d0d..1e41909 100644 --- a/Core/timing.h +++ b/Core/timing.h @@ -2,6 +2,6 @@ #define timing_h #include "gb.h" -void advance_cycles(GB_gameboy_t *gb, unsigned char cycles); -void timers_run(GB_gameboy_t *gb); +void GB_advance_cycles(GB_gameboy_t *gb, uint8_t cycles); +void GB_timers_run(GB_gameboy_t *gb); #endif /* timing_h */ diff --git a/Core/z80_cpu.c b/Core/z80_cpu.c index e94beda..d253ffb 100644 --- a/Core/z80_cpu.c +++ b/Core/z80_cpu.c @@ -7,24 +7,24 @@ #include "gb.h" -typedef void GB_opcode_t(GB_gameboy_t *gb, unsigned char opcode); +typedef void GB_opcode_t(GB_gameboy_t *gb, uint8_t opcode); -static void ill(GB_gameboy_t *gb, unsigned char opcode) +static void ill(GB_gameboy_t *gb, uint8_t opcode) { - gb_log(gb, "Illegal Opcode. Halting."); + GB_log(gb, "Illegal Opcode. Halting."); gb->interrupt_enable = 0; gb->halted = true; } -static void nop(GB_gameboy_t *gb, unsigned char opcode) +static void nop(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; } -static void stop(GB_gameboy_t *gb, unsigned char opcode) +static void stop(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); if (gb->io_registers[GB_IO_KEY1] & 0x1) { /* Todo: the switch is not instant. We should emulate this. */ gb->cgb_double_speed ^= true; @@ -47,37 +47,37 @@ static void stop(GB_gameboy_t *gb, unsigned char opcode) cc = condition code (z, nz, c, nc) */ -static void ld_rr_d16(GB_gameboy_t *gb, unsigned char opcode) +static void ld_rr_d16(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - unsigned short value; - advance_cycles(gb, 12); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; - value = read_memory(gb, gb->pc++); - value |= read_memory(gb, gb->pc++) << 8; + uint8_t register_id; + uint16_t value; + GB_advance_cycles(gb, 12); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; + value = GB_read_memory(gb, gb->pc++); + value |= GB_read_memory(gb, gb->pc++) << 8; gb->registers[register_id] = value; } -static void ld_drr_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_drr_a(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; - write_memory(gb, gb->registers[register_id], gb->registers[GB_REGISTER_AF] >> 8); + uint8_t register_id; + GB_advance_cycles(gb, 8); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; + GB_write_memory(gb, gb->registers[register_id], gb->registers[GB_REGISTER_AF] >> 8); } -static void inc_rr(GB_gameboy_t *gb, unsigned char opcode) +static void inc_rr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + GB_advance_cycles(gb, 8); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; gb->registers[register_id]++; } -static void inc_hr(GB_gameboy_t *gb, unsigned char opcode) +static void inc_hr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 4); + uint8_t register_id; + GB_advance_cycles(gb, 4); gb->pc++; register_id = ((opcode >> 4) + 1) & 0x03; gb->registers[register_id] += 0x100; @@ -91,10 +91,10 @@ static void inc_hr(GB_gameboy_t *gb, unsigned char opcode) gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } } -static void dec_hr(GB_gameboy_t *gb, unsigned char opcode) +static void dec_hr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 4); + uint8_t register_id; + GB_advance_cycles(gb, 4); gb->pc++; register_id = ((opcode >> 4) + 1) & 0x03; gb->registers[register_id] -= 0x100; @@ -110,21 +110,21 @@ static void dec_hr(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_hr_d8(GB_gameboy_t *gb, unsigned char opcode) +static void ld_hr_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); + uint8_t register_id; + GB_advance_cycles(gb, 8); gb->pc++; register_id = ((opcode >> 4) + 1) & 0x03; gb->registers[register_id] &= 0xFF; - gb->registers[register_id] |= read_memory(gb, gb->pc++) << 8; + gb->registers[register_id] |= GB_read_memory(gb, gb->pc++) << 8; } -static void rlca(GB_gameboy_t *gb, unsigned char opcode) +static void rlca(GB_gameboy_t *gb, uint8_t opcode) { bool carry = (gb->registers[GB_REGISTER_AF] & 0x8000) != 0; - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] = (gb->registers[GB_REGISTER_AF] & 0xFF00) << 1; if (carry) { @@ -132,12 +132,12 @@ static void rlca(GB_gameboy_t *gb, unsigned char opcode) } } -static void rla(GB_gameboy_t *gb, unsigned char opcode) +static void rla(GB_gameboy_t *gb, uint8_t opcode) { bool bit7 = (gb->registers[GB_REGISTER_AF] & 0x8000) != 0; bool carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] = (gb->registers[GB_REGISTER_AF] & 0xFF00) << 1; if (carry) { @@ -148,22 +148,22 @@ static void rla(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_da16_sp(GB_gameboy_t *gb, unsigned char opcode){ - unsigned short addr; - advance_cycles(gb, 20); +static void ld_da16_sp(GB_gameboy_t *gb, uint8_t opcode){ + uint16_t addr; + GB_advance_cycles(gb, 20); gb->pc++; - addr = read_memory(gb, gb->pc++); - addr |= read_memory(gb, gb->pc++) << 8; - write_memory(gb, addr, gb->registers[GB_REGISTER_SP] & 0xFF); - write_memory(gb, addr+1, gb->registers[GB_REGISTER_SP] >> 8); + addr = GB_read_memory(gb, gb->pc++); + addr |= GB_read_memory(gb, gb->pc++) << 8; + GB_write_memory(gb, addr, gb->registers[GB_REGISTER_SP] & 0xFF); + GB_write_memory(gb, addr+1, gb->registers[GB_REGISTER_SP] >> 8); } -static void add_hl_rr(GB_gameboy_t *gb, unsigned char opcode) +static void add_hl_rr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned short hl = gb->registers[GB_REGISTER_HL]; - unsigned short rr; - unsigned char register_id; - advance_cycles(gb, 8); + uint16_t hl = gb->registers[GB_REGISTER_HL]; + uint16_t rr; + uint8_t register_id; + GB_advance_cycles(gb, 8); gb->pc++; register_id = (opcode >> 4) + 1; rr = gb->registers[register_id]; @@ -180,29 +180,29 @@ static void add_hl_rr(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_a_drr(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_drr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + GB_advance_cycles(gb, 8); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; gb->registers[GB_REGISTER_AF] &= 0xFF; - gb->registers[GB_REGISTER_AF] |= read_memory(gb, gb->registers[register_id]) << 8; + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, gb->registers[register_id]) << 8; } -static void dec_rr(GB_gameboy_t *gb, unsigned char opcode) +static void dec_rr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + GB_advance_cycles(gb, 8); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; gb->registers[register_id]--; } -static void inc_lr(GB_gameboy_t *gb, unsigned char opcode) +static void inc_lr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - unsigned char value; - advance_cycles(gb, 4); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + uint8_t value; + GB_advance_cycles(gb, 4); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; value = (gb->registers[register_id] & 0xFF) + 1; gb->registers[register_id] = (gb->registers[register_id] & 0xFF00) | value; @@ -217,12 +217,12 @@ static void inc_lr(GB_gameboy_t *gb, unsigned char opcode) gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } } -static void dec_lr(GB_gameboy_t *gb, unsigned char opcode) +static void dec_lr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - unsigned char value; - advance_cycles(gb, 4); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + uint8_t value; + GB_advance_cycles(gb, 4); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; value = (gb->registers[register_id] & 0xFF) - 1; gb->registers[register_id] = (gb->registers[register_id] & 0xFF00) | value; @@ -239,20 +239,20 @@ static void dec_lr(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_lr_d8(GB_gameboy_t *gb, unsigned char opcode) +static void ld_lr_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 8); - register_id = (read_memory(gb, gb->pc++) >> 4) + 1; + uint8_t register_id; + GB_advance_cycles(gb, 8); + register_id = (GB_read_memory(gb, gb->pc++) >> 4) + 1; gb->registers[register_id] &= 0xFF00; - gb->registers[register_id] |= read_memory(gb, gb->pc++); + gb->registers[register_id] |= GB_read_memory(gb, gb->pc++); } -static void rrca(GB_gameboy_t *gb, unsigned char opcode) +static void rrca(GB_gameboy_t *gb, uint8_t opcode) { bool carry = (gb->registers[GB_REGISTER_AF] & 0x100) != 0; - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] = (gb->registers[GB_REGISTER_AF] >> 1) & 0xFF00; if (carry) { @@ -260,12 +260,12 @@ static void rrca(GB_gameboy_t *gb, unsigned char opcode) } } -static void rra(GB_gameboy_t *gb, unsigned char opcode) +static void rra(GB_gameboy_t *gb, uint8_t opcode) { bool bit1 = (gb->registers[GB_REGISTER_AF] & 0x0100) != 0; bool carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] = (gb->registers[GB_REGISTER_AF] >> 1) & 0xFF00; if (carry) { @@ -276,14 +276,14 @@ static void rra(GB_gameboy_t *gb, unsigned char opcode) } } -static void jr_r8(GB_gameboy_t *gb, unsigned char opcode) +static void jr_r8(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 12); + GB_advance_cycles(gb, 12); gb->pc++; - gb->pc += (signed char) read_memory(gb, gb->pc++); + gb->pc += (int8_t) GB_read_memory(gb, gb->pc++); } -static bool condition_code(GB_gameboy_t *gb, unsigned char opcode) +static bool condition_code(GB_gameboy_t *gb, uint8_t opcode) { switch ((opcode >> 3) & 0x3) { case 0: @@ -299,22 +299,22 @@ static bool condition_code(GB_gameboy_t *gb, unsigned char opcode) return false; } -static void jr_cc_r8(GB_gameboy_t *gb, unsigned char opcode) +static void jr_cc_r8(GB_gameboy_t *gb, uint8_t opcode) { - if (condition_code(gb, read_memory(gb, gb->pc++))) { - advance_cycles(gb, 12); - gb->pc += (signed char)read_memory(gb, gb->pc++); + if (condition_code(gb, GB_read_memory(gb, gb->pc++))) { + GB_advance_cycles(gb, 12); + gb->pc += (int8_t)GB_read_memory(gb, gb->pc++); } else { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc += 1; } } -static void daa(GB_gameboy_t *gb, unsigned char opcode) +static void daa(GB_gameboy_t *gb, uint8_t opcode) { /* This function is UGLY and UNREADABLE! But it passes Blargg's daa test! */ - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->registers[GB_REGISTER_AF] &= ~GB_ZERO_FLAG; gb->pc++; if (gb->registers[GB_REGISTER_AF] & GB_SUBSTRACT_FLAG) { @@ -333,7 +333,7 @@ static void daa(GB_gameboy_t *gb, unsigned char opcode) } else { if (gb->registers[GB_REGISTER_AF] & GB_HALF_CARRY_FLAG) { - unsigned short number = gb->registers[GB_REGISTER_AF] >> 8; + uint16_t number = gb->registers[GB_REGISTER_AF] >> 8; if (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) { number += 0x100; } @@ -346,7 +346,7 @@ static void daa(GB_gameboy_t *gb, unsigned char opcode) gb->registers[GB_REGISTER_AF] |= number << 8; } else { - unsigned short number = gb->registers[GB_REGISTER_AF] >> 8; + uint16_t number = gb->registers[GB_REGISTER_AF] >> 8; if (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) { number += 0x100; } @@ -365,68 +365,68 @@ static void daa(GB_gameboy_t *gb, unsigned char opcode) } } -static void cpl(GB_gameboy_t *gb, unsigned char opcode) +static void cpl(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] ^= 0xFF00; gb->registers[GB_REGISTER_AF] |= GB_HALF_CARRY_FLAG | GB_SUBSTRACT_FLAG; } -static void scf(GB_gameboy_t *gb, unsigned char opcode) +static void scf(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] |= GB_CARRY_FLAG; gb->registers[GB_REGISTER_AF] &= ~(GB_HALF_CARRY_FLAG | GB_SUBSTRACT_FLAG); } -static void ccf(GB_gameboy_t *gb, unsigned char opcode) +static void ccf(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->registers[GB_REGISTER_AF] ^= GB_CARRY_FLAG; gb->registers[GB_REGISTER_AF] &= ~(GB_HALF_CARRY_FLAG | GB_SUBSTRACT_FLAG); } -static void ld_dhli_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_dhli_a(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; - write_memory(gb, gb->registers[GB_REGISTER_HL]++, gb->registers[GB_REGISTER_AF] >> 8); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL]++, gb->registers[GB_REGISTER_AF] >> 8); } -static void ld_dhld_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_dhld_a(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; - write_memory(gb, gb->registers[GB_REGISTER_HL]--, gb->registers[GB_REGISTER_AF] >> 8); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL]--, gb->registers[GB_REGISTER_AF] >> 8); } -static void ld_a_dhli(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_dhli(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; gb->registers[GB_REGISTER_AF] &= 0xFF; - gb->registers[GB_REGISTER_AF] |= read_memory(gb, gb->registers[GB_REGISTER_HL]++) << 8; + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, gb->registers[GB_REGISTER_HL]++) << 8; } -static void ld_a_dhld(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_dhld(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; gb->registers[GB_REGISTER_AF] &= 0xFF; - gb->registers[GB_REGISTER_AF] |= read_memory(gb, gb->registers[GB_REGISTER_HL]--) << 8; + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, gb->registers[GB_REGISTER_HL]--) << 8; } -static void inc_dhl(GB_gameboy_t *gb, unsigned char opcode) +static void inc_dhl(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->registers[GB_REGISTER_HL]) + 1; - advance_cycles(gb, 4); - write_memory(gb, gb->registers[GB_REGISTER_HL], value); + value = GB_read_memory(gb, gb->registers[GB_REGISTER_HL]) + 1; + GB_advance_cycles(gb, 4); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL], value); gb->registers[GB_REGISTER_AF] &= ~(GB_SUBSTRACT_FLAG | GB_ZERO_FLAG | GB_HALF_CARRY_FLAG); if ((value & 0x0F) == 0) { @@ -438,14 +438,14 @@ static void inc_dhl(GB_gameboy_t *gb, unsigned char opcode) } } -static void dec_dhl(GB_gameboy_t *gb, unsigned char opcode) +static void dec_dhl(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->registers[GB_REGISTER_HL]) - 1; - advance_cycles(gb, 4); - write_memory(gb, gb->registers[GB_REGISTER_HL], value); + value = GB_read_memory(gb, gb->registers[GB_REGISTER_HL]) - 1; + GB_advance_cycles(gb, 4); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL], value); gb->registers[GB_REGISTER_AF] &= ~( GB_ZERO_FLAG | GB_HALF_CARRY_FLAG); gb->registers[GB_REGISTER_AF] |= GB_SUBSTRACT_FLAG; @@ -458,25 +458,25 @@ static void dec_dhl(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_dhl_d8(GB_gameboy_t *gb, unsigned char opcode) +static void ld_dhl_d8(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 12); + GB_advance_cycles(gb, 12); gb->pc++; - write_memory(gb, gb->registers[GB_REGISTER_HL], read_memory(gb, gb->pc++)); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL], GB_read_memory(gb, gb->pc++)); } -unsigned char get_src_value(GB_gameboy_t *gb, unsigned char opcode) +uint8_t get_src_value(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char src_register_id; - unsigned char src_low; + uint8_t src_register_id; + uint8_t src_low; src_register_id = ((opcode >> 1) + 1) & 3; src_low = opcode & 1; if (src_register_id == GB_REGISTER_AF) { if (src_low) { return gb->registers[GB_REGISTER_AF] >> 8; } - advance_cycles(gb, 4); - return read_memory(gb, gb->registers[GB_REGISTER_HL]); + GB_advance_cycles(gb, 4); + return GB_read_memory(gb, gb->registers[GB_REGISTER_HL]); } if (src_low) { return gb->registers[src_register_id] & 0xFF; @@ -484,10 +484,10 @@ unsigned char get_src_value(GB_gameboy_t *gb, unsigned char opcode) return gb->registers[src_register_id] >> 8; } -static void set_src_value(GB_gameboy_t *gb, unsigned char opcode, unsigned char value) +static void set_src_value(GB_gameboy_t *gb, uint8_t opcode, uint8_t value) { - unsigned char src_register_id; - unsigned char src_low; + uint8_t src_register_id; + uint8_t src_low; src_register_id = ((opcode >> 1) + 1) & 3; src_low = opcode & 1; @@ -497,8 +497,8 @@ static void set_src_value(GB_gameboy_t *gb, unsigned char opcode, unsigned char gb->registers[GB_REGISTER_AF] |= value << 8; } else { - advance_cycles(gb, 4); - write_memory(gb, gb->registers[GB_REGISTER_HL], value); + GB_advance_cycles(gb, 4); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL], value); } } else { @@ -513,12 +513,12 @@ static void set_src_value(GB_gameboy_t *gb, unsigned char opcode, unsigned char } } -static void ld_r_r(GB_gameboy_t *gb, unsigned char opcode) +static void ld_r_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char dst_register_id; - unsigned char dst_low; - unsigned char value; - advance_cycles(gb, 4); + uint8_t dst_register_id; + uint8_t dst_low; + uint8_t value; + GB_advance_cycles(gb, 4); gb->pc++; dst_register_id = ((opcode >> 4) + 1) & 3; @@ -533,8 +533,8 @@ static void ld_r_r(GB_gameboy_t *gb, unsigned char opcode) gb->registers[GB_REGISTER_AF] |= value << 8; } else { - advance_cycles(gb, 4); - write_memory(gb, gb->registers[GB_REGISTER_HL], value); + GB_advance_cycles(gb, 4); + GB_write_memory(gb, gb->registers[GB_REGISTER_HL], value); } } else { @@ -550,15 +550,15 @@ static void ld_r_r(GB_gameboy_t *gb, unsigned char opcode) } -static void add_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void add_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = (a + value) << 8; - if ((unsigned char)(a + value) == 0) { + if ((uint8_t)(a + value) == 0) { gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } if ((a & 0xF) + (value & 0xF) > 0x0F) { @@ -569,17 +569,17 @@ static void add_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void adc_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void adc_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a, carry; - advance_cycles(gb, 4); + uint8_t value, a, carry; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; gb->registers[GB_REGISTER_AF] = (a + value + carry) << 8; - if ((unsigned char)(a + value + carry) == 0) { + if ((uint8_t)(a + value + carry) == 0) { gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } if ((a & 0xF) + (value & 0xF) + carry > 0x0F) { @@ -590,10 +590,10 @@ static void adc_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void sub_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void sub_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; @@ -609,17 +609,17 @@ static void sub_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void sbc_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void sbc_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a, carry; - advance_cycles(gb, 4); + uint8_t value, a, carry; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; gb->registers[GB_REGISTER_AF] = ((a - value - carry) << 8) | GB_SUBSTRACT_FLAG; - if ((unsigned char) (a - value - carry) == 0) { + if ((uint8_t) (a - value - carry) == 0) { gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } if ((a & 0xF) < (value & 0xF) + carry) { @@ -630,10 +630,10 @@ static void sbc_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void and_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void and_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; @@ -643,10 +643,10 @@ static void and_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void xor_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void xor_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; @@ -656,10 +656,10 @@ static void xor_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void or_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void or_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; @@ -669,10 +669,10 @@ static void or_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void cp_a_r(GB_gameboy_t *gb, unsigned char opcode) +static void cp_a_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 4); + uint8_t value, a; + GB_advance_cycles(gb, 4); gb->pc++; value = get_src_value(gb, opcode); a = gb->registers[GB_REGISTER_AF] >> 8; @@ -689,95 +689,95 @@ static void cp_a_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void halt(GB_gameboy_t *gb, unsigned char opcode) +static void halt(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->halted = true; gb->pc++; } -static void ret_cc(GB_gameboy_t *gb, unsigned char opcode) +static void ret_cc(GB_gameboy_t *gb, uint8_t opcode) { - if (condition_code(gb, read_memory(gb, gb->pc++))) { - debugger_ret_hook(gb); - advance_cycles(gb, 20); - gb->pc = read_memory(gb, gb->registers[GB_REGISTER_SP]) | - (read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); + if (condition_code(gb, GB_read_memory(gb, gb->pc++))) { + GB_debugger_ret_hook(gb); + GB_advance_cycles(gb, 20); + gb->pc = GB_read_memory(gb, gb->registers[GB_REGISTER_SP]) | + (GB_read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); gb->registers[GB_REGISTER_SP] += 2; } else { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); } } -static void pop_rr(GB_gameboy_t *gb, unsigned char opcode) +static void pop_rr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 12); - register_id = ((read_memory(gb, gb->pc++) >> 4) + 1) & 3; - gb->registers[register_id] = read_memory(gb, gb->registers[GB_REGISTER_SP]) | - (read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); + uint8_t register_id; + GB_advance_cycles(gb, 12); + register_id = ((GB_read_memory(gb, gb->pc++) >> 4) + 1) & 3; + gb->registers[register_id] = GB_read_memory(gb, gb->registers[GB_REGISTER_SP]) | + (GB_read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); gb->registers[GB_REGISTER_AF] &= 0xFFF0; // Make sure we don't set impossible flags on F! See Blargg's PUSH AF test. gb->registers[GB_REGISTER_SP] += 2; } -static void jp_cc_a16(GB_gameboy_t *gb, unsigned char opcode) +static void jp_cc_a16(GB_gameboy_t *gb, uint8_t opcode) { gb->pc++; if (condition_code(gb, opcode)) { - advance_cycles(gb, 16); - gb->pc = read_memory(gb, gb->pc) | (read_memory(gb, gb->pc + 1) << 8); + GB_advance_cycles(gb, 16); + gb->pc = GB_read_memory(gb, gb->pc) | (GB_read_memory(gb, gb->pc + 1) << 8); } else { - advance_cycles(gb, 12); + GB_advance_cycles(gb, 12); gb->pc += 2; } } -static void jp_a16(GB_gameboy_t *gb, unsigned char opcode) +static void jp_a16(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 16); + GB_advance_cycles(gb, 16); gb->pc++; - gb->pc = read_memory(gb, gb->pc) | (read_memory(gb, gb->pc + 1) << 8); + gb->pc = GB_read_memory(gb, gb->pc) | (GB_read_memory(gb, gb->pc + 1) << 8); } -static void call_cc_a16(GB_gameboy_t *gb, unsigned char opcode) +static void call_cc_a16(GB_gameboy_t *gb, uint8_t opcode) { gb->pc++; if (condition_code(gb, opcode)) { - advance_cycles(gb, 24); + GB_advance_cycles(gb, 24); gb->registers[GB_REGISTER_SP] -= 2; - write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 2) & 0xFF); - write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 2) >> 8); - gb->pc = read_memory(gb, gb->pc) | (read_memory(gb, gb->pc + 1) << 8); - debugger_call_hook(gb); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 2) & 0xFF); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 2) >> 8); + gb->pc = GB_read_memory(gb, gb->pc) | (GB_read_memory(gb, gb->pc + 1) << 8); + GB_debugger_call_hook(gb); } else { - advance_cycles(gb, 12); + GB_advance_cycles(gb, 12); gb->pc += 2; } } -static void push_rr(GB_gameboy_t *gb, unsigned char opcode) +static void push_rr(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char register_id; - advance_cycles(gb, 16); + uint8_t register_id; + GB_advance_cycles(gb, 16); gb->pc++; register_id = ((opcode >> 4) + 1) & 3; gb->registers[GB_REGISTER_SP] -= 2; - write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->registers[register_id]) & 0xFF); - write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->registers[register_id]) >> 8); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->registers[register_id]) & 0xFF); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->registers[register_id]) >> 8); } -static void add_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void add_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = (a + value) << 8; - if ((unsigned char) (a + value) == 0) { + if ((uint8_t) (a + value) == 0) { gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } if ((a & 0xF) + (value & 0xF) > 0x0F) { @@ -788,12 +788,12 @@ static void add_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void adc_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void adc_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a, carry; - advance_cycles(gb, 8); + uint8_t value, a, carry; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; gb->registers[GB_REGISTER_AF] = (a + value + carry) << 8; @@ -809,12 +809,12 @@ static void adc_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void sub_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void sub_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = ((a - value) << 8) | GB_SUBSTRACT_FLAG; if (a == value) { @@ -828,17 +828,17 @@ static void sub_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void sbc_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void sbc_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a, carry; - advance_cycles(gb, 8); + uint8_t value, a, carry; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; gb->registers[GB_REGISTER_AF] = ((a - value - carry) << 8) | GB_SUBSTRACT_FLAG; - if ((unsigned char) (a - value - carry) == 0) { + if ((uint8_t) (a - value - carry) == 0) { gb->registers[GB_REGISTER_AF] |= GB_ZERO_FLAG; } if ((a & 0xF) < (value & 0xF) + carry) { @@ -849,12 +849,12 @@ static void sbc_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void and_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void and_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = ((a & value) << 8) | GB_HALF_CARRY_FLAG; if ((a & value) == 0) { @@ -862,12 +862,12 @@ static void and_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void xor_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void xor_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = (a ^ value) << 8; if ((a ^ value) == 0) { @@ -875,12 +875,12 @@ static void xor_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void or_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void or_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] = (a | value) << 8; if ((a | value) == 0) { @@ -888,12 +888,12 @@ static void or_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void cp_a_d8(GB_gameboy_t *gb, unsigned char opcode) +static void cp_a_d8(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value, a; - advance_cycles(gb, 8); + uint8_t value, a; + GB_advance_cycles(gb, 8); gb->pc++; - value = read_memory(gb, gb->pc++); + value = GB_read_memory(gb, gb->pc++); a = gb->registers[GB_REGISTER_AF] >> 8; gb->registers[GB_REGISTER_AF] &= 0xFF00; gb->registers[GB_REGISTER_AF] |= GB_SUBSTRACT_FLAG; @@ -908,83 +908,83 @@ static void cp_a_d8(GB_gameboy_t *gb, unsigned char opcode) } } -static void rst(GB_gameboy_t *gb, unsigned char opcode) +static void rst(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 16); + GB_advance_cycles(gb, 16); gb->registers[GB_REGISTER_SP] -= 2; - write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 1) & 0xFF); - write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 1) >> 8); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 1) & 0xFF); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 1) >> 8); gb->pc = opcode ^ 0xC7; - debugger_call_hook(gb); + GB_debugger_call_hook(gb); } -static void ret(GB_gameboy_t *gb, unsigned char opcode) +static void ret(GB_gameboy_t *gb, uint8_t opcode) { - debugger_ret_hook(gb); - advance_cycles(gb, 16); - gb->pc = read_memory(gb, gb->registers[GB_REGISTER_SP]) | - (read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); + GB_debugger_ret_hook(gb); + GB_advance_cycles(gb, 16); + gb->pc = GB_read_memory(gb, gb->registers[GB_REGISTER_SP]) | + (GB_read_memory(gb, gb->registers[GB_REGISTER_SP] + 1) << 8); gb->registers[GB_REGISTER_SP] += 2; } -static void reti(GB_gameboy_t *gb, unsigned char opcode) +static void reti(GB_gameboy_t *gb, uint8_t opcode) { ret(gb, opcode); gb->ime = true; } -static void call_a16(GB_gameboy_t *gb, unsigned char opcode) +static void call_a16(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 24); + GB_advance_cycles(gb, 24); gb->pc++; gb->registers[GB_REGISTER_SP] -= 2; - write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 2) & 0xFF); - write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 2) >> 8); - gb->pc = read_memory(gb, gb->pc) | (read_memory(gb, gb->pc + 1) << 8); - debugger_call_hook(gb); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc + 2) & 0xFF); + GB_write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc + 2) >> 8); + gb->pc = GB_read_memory(gb, gb->pc) | (GB_read_memory(gb, gb->pc + 1) << 8); + GB_debugger_call_hook(gb); } -static void ld_da8_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_da8_a(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; - unsigned char temp = read_memory(gb, gb->pc++); - advance_cycles(gb, 4); - write_memory(gb, 0xFF00 + temp, gb->registers[GB_REGISTER_AF] >> 8); + uint8_t temp = GB_read_memory(gb, gb->pc++); + GB_advance_cycles(gb, 4); + GB_write_memory(gb, 0xFF00 + temp, gb->registers[GB_REGISTER_AF] >> 8); } -static void ld_a_da8(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_da8(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->registers[GB_REGISTER_AF] &= 0xFF; gb->pc++; - unsigned char temp = read_memory(gb, gb->pc++); - advance_cycles(gb, 4); - gb->registers[GB_REGISTER_AF] |= read_memory(gb, 0xFF00 + temp) << 8; + uint8_t temp = GB_read_memory(gb, gb->pc++); + GB_advance_cycles(gb, 4); + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, 0xFF00 + temp) << 8; } -static void ld_dc_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_dc_a(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; - write_memory(gb, 0xFF00 + (gb->registers[GB_REGISTER_BC] & 0xFF), gb->registers[GB_REGISTER_AF] >> 8); + GB_write_memory(gb, 0xFF00 + (gb->registers[GB_REGISTER_BC] & 0xFF), gb->registers[GB_REGISTER_AF] >> 8); } -static void ld_a_dc(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_dc(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->registers[GB_REGISTER_AF] &= 0xFF; gb->pc++; - gb->registers[GB_REGISTER_AF] |= read_memory(gb, 0xFF00 + (gb->registers[GB_REGISTER_BC] & 0xFF)) << 8; + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, 0xFF00 + (gb->registers[GB_REGISTER_BC] & 0xFF)) << 8; } -static void add_sp_r8(GB_gameboy_t *gb, unsigned char opcode) +static void add_sp_r8(GB_gameboy_t *gb, uint8_t opcode) { - signed short offset; - unsigned short sp = gb->registers[GB_REGISTER_SP]; - advance_cycles(gb, 16); + int16_t offset; + uint16_t sp = gb->registers[GB_REGISTER_SP]; + GB_advance_cycles(gb, 16); gb->pc++; - offset = (signed char) read_memory(gb, gb->pc++); + offset = (int8_t) GB_read_memory(gb, gb->pc++); gb->registers[GB_REGISTER_SP] += offset; gb->registers[GB_REGISTER_AF] &= 0xFF00; @@ -999,54 +999,54 @@ static void add_sp_r8(GB_gameboy_t *gb, unsigned char opcode) } } -static void jp_hl(GB_gameboy_t *gb, unsigned char opcode) +static void jp_hl(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc = gb->registers[GB_REGISTER_HL]; } -static void ld_da16_a(GB_gameboy_t *gb, unsigned char opcode) +static void ld_da16_a(GB_gameboy_t *gb, uint8_t opcode) { - unsigned short addr; - advance_cycles(gb, 16); + uint16_t addr; + GB_advance_cycles(gb, 16); gb->pc++; - addr = read_memory(gb, gb->pc++); - addr |= read_memory(gb, gb->pc++) << 8; - write_memory(gb, addr, gb->registers[GB_REGISTER_AF] >> 8); + addr = GB_read_memory(gb, gb->pc++); + addr |= GB_read_memory(gb, gb->pc++) << 8; + GB_write_memory(gb, addr, gb->registers[GB_REGISTER_AF] >> 8); } -static void ld_a_da16(GB_gameboy_t *gb, unsigned char opcode) +static void ld_a_da16(GB_gameboy_t *gb, uint8_t opcode) { - unsigned short addr; - advance_cycles(gb, 16); + uint16_t addr; + GB_advance_cycles(gb, 16); gb->registers[GB_REGISTER_AF] &= 0xFF; gb->pc++; - addr = read_memory(gb, gb->pc++); - addr |= read_memory(gb, gb->pc++) << 8 ; - gb->registers[GB_REGISTER_AF] |= read_memory(gb, addr) << 8; + addr = GB_read_memory(gb, gb->pc++); + addr |= GB_read_memory(gb, gb->pc++) << 8 ; + gb->registers[GB_REGISTER_AF] |= GB_read_memory(gb, addr) << 8; } -static void di(GB_gameboy_t *gb, unsigned char opcode) +static void di(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->ime = false; } -static void ei(GB_gameboy_t *gb, unsigned char opcode) +static void ei(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); gb->pc++; gb->ime = true; } -static void ld_hl_sp_r8(GB_gameboy_t *gb, unsigned char opcode) +static void ld_hl_sp_r8(GB_gameboy_t *gb, uint8_t opcode) { - signed short offset; - advance_cycles(gb, 12); + int16_t offset; + GB_advance_cycles(gb, 12); gb->pc++; gb->registers[GB_REGISTER_AF] &= 0xFF00; - offset = (signed char) read_memory(gb, gb->pc++); + offset = (int8_t) GB_read_memory(gb, gb->pc++); gb->registers[GB_REGISTER_HL] = gb->registers[GB_REGISTER_SP] + offset; if ((gb->registers[GB_REGISTER_SP] & 0xF) + (offset & 0xF) > 0xF) { @@ -1058,18 +1058,18 @@ static void ld_hl_sp_r8(GB_gameboy_t *gb, unsigned char opcode) } } -static void ld_sp_hl(GB_gameboy_t *gb, unsigned char opcode) +static void ld_sp_hl(GB_gameboy_t *gb, uint8_t opcode) { - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; gb->registers[GB_REGISTER_SP] = gb->registers[GB_REGISTER_HL]; } -static void rlc_r(GB_gameboy_t *gb, unsigned char opcode) +static void rlc_r(GB_gameboy_t *gb, uint8_t opcode) { bool carry; - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); carry = (value & 0x80) != 0; @@ -1083,11 +1083,11 @@ static void rlc_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void rrc_r(GB_gameboy_t *gb, unsigned char opcode) +static void rrc_r(GB_gameboy_t *gb, uint8_t opcode) { bool carry; - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); carry = (value & 0x01) != 0; @@ -1102,12 +1102,12 @@ static void rrc_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void rl_r(GB_gameboy_t *gb, unsigned char opcode) +static void rl_r(GB_gameboy_t *gb, uint8_t opcode) { bool carry; - unsigned char value; + uint8_t value; bool bit7; - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; @@ -1124,13 +1124,13 @@ static void rl_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void rr_r(GB_gameboy_t *gb, unsigned char opcode) +static void rr_r(GB_gameboy_t *gb, uint8_t opcode) { bool carry; - unsigned char value; + uint8_t value; bool bit1; - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); carry = (gb->registers[GB_REGISTER_AF] & GB_CARRY_FLAG) != 0; @@ -1147,11 +1147,11 @@ static void rr_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void sla_r(GB_gameboy_t *gb, unsigned char opcode) +static void sla_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; + uint8_t value; bool carry; - advance_cycles(gb, 8); + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); carry = (value & 0x80) != 0; @@ -1165,11 +1165,11 @@ static void sla_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void sra_r(GB_gameboy_t *gb, unsigned char opcode) +static void sra_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char bit7; - unsigned char value; - advance_cycles(gb, 8); + uint8_t bit7; + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); bit7 = value & 0x80; @@ -1184,10 +1184,10 @@ static void sra_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void srl_r(GB_gameboy_t *gb, unsigned char opcode) +static void srl_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); gb->registers[GB_REGISTER_AF] &= 0xFF00; @@ -1200,10 +1200,10 @@ static void srl_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void swap_r(GB_gameboy_t *gb, unsigned char opcode) +static void swap_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; - advance_cycles(gb, 8); + uint8_t value; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); gb->registers[GB_REGISTER_AF] &= 0xFF00; @@ -1213,11 +1213,11 @@ static void swap_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void bit_r(GB_gameboy_t *gb, unsigned char opcode) +static void bit_r(GB_gameboy_t *gb, uint8_t opcode) { - unsigned char value; - unsigned char bit; - advance_cycles(gb, 8); + uint8_t value; + uint8_t bit; + GB_advance_cycles(gb, 8); gb->pc++; value = get_src_value(gb, opcode); bit = 1 << ((opcode >> 3) & 7); @@ -1236,9 +1236,9 @@ static void bit_r(GB_gameboy_t *gb, unsigned char opcode) } } -static void cb_prefix(GB_gameboy_t *gb, unsigned char opcode) +static void cb_prefix(GB_gameboy_t *gb, uint8_t opcode) { - opcode = read_memory(gb, ++gb->pc); + opcode = GB_read_memory(gb, ++gb->pc); switch (opcode >> 3) { case 0: rlc_r(gb, opcode); @@ -1307,7 +1307,7 @@ static GB_opcode_t *opcodes[256] = { ld_hl_sp_r8,ld_sp_hl, ld_a_da16, ei, ill, ill, cp_a_d8, rst, }; -void cpu_run(GB_gameboy_t *gb) +void GB_cpu_run(GB_gameboy_t *gb) { bool interrupt = gb->interrupt_enable & gb->io_registers[GB_IO_IF]; if (interrupt) { @@ -1315,13 +1315,13 @@ void cpu_run(GB_gameboy_t *gb) } if (gb->hdma_on) { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); return; } if (gb->ime && interrupt) { - unsigned char interrupt_bit = 0; - unsigned char interrupt_queue = gb->interrupt_enable & gb->io_registers[GB_IO_IF]; + uint8_t interrupt_bit = 0; + uint8_t interrupt_queue = gb->interrupt_enable & gb->io_registers[GB_IO_IF]; while (!(interrupt_queue & 1)) { interrupt_queue >>= 1; interrupt_bit++; @@ -1334,10 +1334,10 @@ void cpu_run(GB_gameboy_t *gb) rst(gb, 0x87 + interrupt_bit * 8); } else if(!gb->halted && !gb->stopped) { - unsigned char opcode = read_memory(gb, gb->pc); + uint8_t opcode = GB_read_memory(gb, gb->pc); opcodes[opcode](gb, opcode); } else { - advance_cycles(gb, 4); + GB_advance_cycles(gb, 4); } } diff --git a/Core/z80_cpu.h b/Core/z80_cpu.h index 0e36945..55a0ff8 100644 --- a/Core/z80_cpu.h +++ b/Core/z80_cpu.h @@ -1,7 +1,7 @@ #ifndef z80_cpu_h #define z80_cpu_h #include "gb.h" -void cpu_disassemble(GB_gameboy_t *gb, unsigned short pc, unsigned short count); -void cpu_run(GB_gameboy_t *gb); +void GB_cpu_disassemble(GB_gameboy_t *gb, uint16_t pc, uint16_t count); +void GB_cpu_run(GB_gameboy_t *gb); #endif /* z80_cpu_h */ diff --git a/Core/z80_disassembler.c b/Core/z80_disassembler.c index d997fc6..0097fe0 100644 --- a/Core/z80_disassembler.c +++ b/Core/z80_disassembler.c @@ -5,161 +5,161 @@ #include "gb.h" -typedef void GB_opcode_t(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc); +typedef void GB_opcode_t(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc); -static void ill(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ill(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, ".BYTE %02x\n", opcode); + GB_log(gb, ".BYTE %02x\n", opcode); (*pc)++; } -static void nop(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void nop(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "NOP\n"); + GB_log(gb, "NOP\n"); (*pc)++; } -static void stop(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void stop(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "STOP\n"); + GB_log(gb, "STOP\n"); (*pc)++; } static char *register_names[] = {"af", "bc", "de", "hl", "sp"}; -static void ld_rr_d16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_rr_d16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - unsigned short value; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; - value = read_memory(gb, (*pc)++); - value |= read_memory(gb, (*pc)++) << 8; - gb_log(gb, "LD %s, %04x\n", register_names[register_id], value); + uint8_t register_id; + uint16_t value; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; + value = GB_read_memory(gb, (*pc)++); + value |= GB_read_memory(gb, (*pc)++) << 8; + GB_log(gb, "LD %s, %04x\n", register_names[register_id], value); } -static void ld_drr_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_drr_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "LD [%s], a\n", register_names[register_id]); + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; + GB_log(gb, "LD [%s], a\n", register_names[register_id]); } -static void inc_rr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void inc_rr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "INC %s\n", register_names[register_id]); + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; + GB_log(gb, "INC %s\n", register_names[register_id]); } -static void inc_hr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void inc_hr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; + uint8_t register_id; (*pc)++; register_id = ((opcode >> 4) + 1) & 0x03; - gb_log(gb, "INC %c\n", register_names[register_id][0]); + GB_log(gb, "INC %c\n", register_names[register_id][0]); } -static void dec_hr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void dec_hr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; + uint8_t register_id; (*pc)++; register_id = ((opcode >> 4) + 1) & 0x03; - gb_log(gb, "DEC %c\n", register_names[register_id][0]); + GB_log(gb, "DEC %c\n", register_names[register_id][0]); } -static void ld_hr_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_hr_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; + uint8_t register_id; (*pc)++; register_id = ((opcode >> 4) + 1) & 0x03; - gb_log(gb, "LD %c, %02x\n", register_names[register_id][0], read_memory(gb, (*pc)++)); + GB_log(gb, "LD %c, %02x\n", register_names[register_id][0], GB_read_memory(gb, (*pc)++)); } -static void rlca(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rlca(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RLCA\n"); + GB_log(gb, "RLCA\n"); } -static void rla(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rla(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RLA\n"); + GB_log(gb, "RLA\n"); } -static void ld_da16_sp(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc){ - unsigned short addr; +static void ld_da16_sp(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc){ + uint16_t addr; (*pc)++; - addr = read_memory(gb, (*pc)++); - addr |= read_memory(gb, (*pc)++) << 8; - gb_log(gb, "LD [%04x], sp\n", addr); + addr = GB_read_memory(gb, (*pc)++); + addr |= GB_read_memory(gb, (*pc)++) << 8; + GB_log(gb, "LD [%04x], sp\n", addr); } -static void add_hl_rr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void add_hl_rr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; + uint8_t register_id; (*pc)++; register_id = (opcode >> 4) + 1; - gb_log(gb, "ADD hl, %s\n", register_names[register_id]); + GB_log(gb, "ADD hl, %s\n", register_names[register_id]); } -static void ld_a_drr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_drr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "LD a, [%s]\n", register_names[register_id]); + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; + GB_log(gb, "LD a, [%s]\n", register_names[register_id]); } -static void dec_rr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void dec_rr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "DEC %s\n", register_names[register_id]); + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; + GB_log(gb, "DEC %s\n", register_names[register_id]); } -static void inc_lr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void inc_lr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "INC %c\n", register_names[register_id][1]); + GB_log(gb, "INC %c\n", register_names[register_id][1]); } -static void dec_lr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void dec_lr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "DEC %c\n", register_names[register_id][1]); + GB_log(gb, "DEC %c\n", register_names[register_id][1]); } -static void ld_lr_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_lr_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = (read_memory(gb, (*pc)++) >> 4) + 1; + uint8_t register_id; + register_id = (GB_read_memory(gb, (*pc)++) >> 4) + 1; - gb_log(gb, "LD %c, %02x\n", register_names[register_id][1], read_memory(gb, (*pc)++)); + GB_log(gb, "LD %c, %02x\n", register_names[register_id][1], GB_read_memory(gb, (*pc)++)); } -static void rrca(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rrca(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "RRCA\n"); + GB_log(gb, "RRCA\n"); (*pc)++; } -static void rra(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rra(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "RRA\n"); + GB_log(gb, "RRA\n"); (*pc)++; } -static void jr_r8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void jr_r8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_UNDERLINE, "JR %04x\n", *pc + (signed char) read_memory(gb, (*pc)) + 1); + GB_attributed_log(gb, GB_LOG_UNDERLINE, "JR %04x\n", *pc + (int8_t) GB_read_memory(gb, (*pc)) + 1); (*pc)++; } -static const char *condition_code(unsigned char opcode) +static const char *condition_code(uint8_t opcode) { switch ((opcode >> 3) & 0x3) { case 0: @@ -175,83 +175,83 @@ static const char *condition_code(unsigned char opcode) return NULL; } -static void jr_cc_r8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void jr_cc_r8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "JR %s, %04x\n", condition_code(opcode), *pc + (signed char)read_memory(gb, (*pc)) + 1); + GB_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "JR %s, %04x\n", condition_code(opcode), *pc + (int8_t)GB_read_memory(gb, (*pc)) + 1); (*pc)++; } -static void daa(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void daa(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "DAA\n"); + GB_log(gb, "DAA\n"); (*pc)++; } -static void cpl(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void cpl(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "CPL\n"); + GB_log(gb, "CPL\n"); (*pc)++; } -static void scf(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void scf(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "SCF\n"); + GB_log(gb, "SCF\n"); (*pc)++; } -static void ccf(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ccf(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "CCF\n"); + GB_log(gb, "CCF\n"); (*pc)++; } -static void ld_dhli_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_dhli_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "LD [hli], a\n"); + GB_log(gb, "LD [hli], a\n"); (*pc)++; } -static void ld_dhld_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_dhld_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "LD [hld], a\n"); + GB_log(gb, "LD [hld], a\n"); (*pc)++; } -static void ld_a_dhli(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_dhli(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "LD a, [hli]\n"); + GB_log(gb, "LD a, [hli]\n"); (*pc)++; } -static void ld_a_dhld(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_dhld(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "LD a, [hld]\n"); + GB_log(gb, "LD a, [hld]\n"); (*pc)++; } -static void inc_dhl(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void inc_dhl(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "INC [hl]\n"); + GB_log(gb, "INC [hl]\n"); (*pc)++; } -static void dec_dhl(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void dec_dhl(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - gb_log(gb, "DEC [hl]\n"); + GB_log(gb, "DEC [hl]\n"); (*pc)++; } -static void ld_dhl_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_dhl_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LD [hl], %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "LD [hl], %02x\n", GB_read_memory(gb, (*pc)++)); } -static const char *get_src_name(unsigned char opcode) +static const char *get_src_name(uint8_t opcode) { - unsigned char src_register_id; - unsigned char src_low; + uint8_t src_register_id; + uint8_t src_low; src_register_id = ((opcode >> 1) + 1) & 3; src_low = !(opcode & 1); if (src_register_id == GB_REGISTER_AF && src_low) { @@ -265,10 +265,10 @@ static const char *get_src_name(unsigned char opcode) return high_register_names[src_register_id]; } -static const char *get_dst_name(unsigned char opcode) +static const char *get_dst_name(uint8_t opcode) { - unsigned char dst_register_id; - unsigned char dst_low; + uint8_t dst_register_id; + uint8_t dst_low; dst_register_id = ((opcode >> 4) + 1) & 3; dst_low = opcode & 8; if (dst_register_id == GB_REGISTER_AF && dst_low) { @@ -282,326 +282,326 @@ static const char *get_dst_name(unsigned char opcode) return high_register_names[dst_register_id]; } -static void ld_r_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_r_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LD %s, %s\n", get_dst_name(opcode), get_src_name(opcode)); + GB_log(gb, "LD %s, %s\n", get_dst_name(opcode), get_src_name(opcode)); } -static void add_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void add_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "ADD %s\n", get_src_name(opcode)); + GB_log(gb, "ADD %s\n", get_src_name(opcode)); } -static void adc_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void adc_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "ADC %s\n", get_src_name(opcode)); + GB_log(gb, "ADC %s\n", get_src_name(opcode)); } -static void sub_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sub_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SUB %s\n", get_src_name(opcode)); + GB_log(gb, "SUB %s\n", get_src_name(opcode)); } -static void sbc_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sbc_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SBC %s\n", get_src_name(opcode)); + GB_log(gb, "SBC %s\n", get_src_name(opcode)); } -static void and_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void and_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "AND %s\n", get_src_name(opcode)); + GB_log(gb, "AND %s\n", get_src_name(opcode)); } -static void xor_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void xor_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "XOR %s\n", get_src_name(opcode)); + GB_log(gb, "XOR %s\n", get_src_name(opcode)); } -static void or_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void or_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "OR %s\n", get_src_name(opcode)); + GB_log(gb, "OR %s\n", get_src_name(opcode)); } -static void cp_a_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void cp_a_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "CP %s\n", get_src_name(opcode)); + GB_log(gb, "CP %s\n", get_src_name(opcode)); } -static void halt(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void halt(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "HALT\n"); + GB_log(gb, "HALT\n"); } -static void ret_cc(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ret_cc(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "RET %s\n", condition_code(opcode)); + GB_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "RET %s\n", condition_code(opcode)); } -static void pop_rr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void pop_rr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = ((read_memory(gb, (*pc)++) >> 4) + 1) & 3; - gb_log(gb, "POP %s\n", register_names[register_id]); + uint8_t register_id; + register_id = ((GB_read_memory(gb, (*pc)++) >> 4) + 1) & 3; + GB_log(gb, "POP %s\n", register_names[register_id]); } -static void jp_cc_a16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void jp_cc_a16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "JP %s, %04x\n", condition_code(opcode), read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_attributed_log(gb, GB_LOG_DASHED_UNDERLINE, "JP %s, %04x\n", condition_code(opcode), GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void jp_a16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void jp_a16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "JP %04x\n", read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_log(gb, "JP %04x\n", GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void call_cc_a16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void call_cc_a16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "CALL %s, %04x\n", condition_code(opcode), read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_log(gb, "CALL %s, %04x\n", condition_code(opcode), GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void push_rr(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void push_rr(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char register_id; - register_id = ((read_memory(gb, (*pc)++) >> 4) + 1) & 3; - gb_log(gb, "PUSH %s\n", register_names[register_id]); + uint8_t register_id; + register_id = ((GB_read_memory(gb, (*pc)++) >> 4) + 1) & 3; + GB_log(gb, "PUSH %s\n", register_names[register_id]); } -static void add_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void add_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "ADD %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "ADD %02x\n", GB_read_memory(gb, (*pc)++)); } -static void adc_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void adc_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "ADC %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "ADC %02x\n", GB_read_memory(gb, (*pc)++)); } -static void sub_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sub_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SUB %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "SUB %02x\n", GB_read_memory(gb, (*pc)++)); } -static void sbc_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sbc_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LBC %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "LBC %02x\n", GB_read_memory(gb, (*pc)++)); } -static void and_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void and_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "AND %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "AND %02x\n", GB_read_memory(gb, (*pc)++)); } -static void xor_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void xor_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "XOR %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "XOR %02x\n", GB_read_memory(gb, (*pc)++)); } -static void or_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void or_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "OR %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "OR %02x\n", GB_read_memory(gb, (*pc)++)); } -static void cp_a_d8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void cp_a_d8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "CP %02x\n", read_memory(gb, (*pc)++)); + GB_log(gb, "CP %02x\n", GB_read_memory(gb, (*pc)++)); } -static void rst(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rst(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RST %02x\n", opcode ^ 0xC7); + GB_log(gb, "RST %02x\n", opcode ^ 0xC7); } -static void ret(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ret(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_UNDERLINE, "RET\n"); + GB_attributed_log(gb, GB_LOG_UNDERLINE, "RET\n"); } -static void reti(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void reti(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_attributed_log(gb, GB_LOG_UNDERLINE, "RETI\n"); + GB_attributed_log(gb, GB_LOG_UNDERLINE, "RETI\n"); } -static void call_a16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void call_a16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "CALL %04x\n", read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_log(gb, "CALL %04x\n", GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void ld_da8_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_da8_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - unsigned char temp = read_memory(gb, (*pc)++); - gb_log(gb, "LDH [%02x], a\n", temp); + uint8_t temp = GB_read_memory(gb, (*pc)++); + GB_log(gb, "LDH [%02x], a\n", temp); } -static void ld_a_da8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_da8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - unsigned char temp = read_memory(gb, (*pc)++); - gb_log(gb, "LDH a, [%02x]\n", temp); + uint8_t temp = GB_read_memory(gb, (*pc)++); + GB_log(gb, "LDH a, [%02x]\n", temp); } -static void ld_dc_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_dc_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LDH [c], a\n"); + GB_log(gb, "LDH [c], a\n"); } -static void ld_a_dc(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_dc(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LDH a, [c]\n"); + GB_log(gb, "LDH a, [c]\n"); } -static void add_sp_r8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void add_sp_r8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - signed char temp = read_memory(gb, (*pc)++); - gb_log(gb, "ADD SP, %s%02x\n", temp < 0? "-" : "", temp < 0? -temp : temp); + int8_t temp = GB_read_memory(gb, (*pc)++); + GB_log(gb, "ADD SP, %s%02x\n", temp < 0? "-" : "", temp < 0? -temp : temp); } -static void jp_hl(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void jp_hl(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "JP hl\n"); + GB_log(gb, "JP hl\n"); } -static void ld_da16_a(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_da16_a(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LD [%04x], a\n", read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_log(gb, "LD [%04x], a\n", GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void ld_a_da16(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_a_da16(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LD a, [%04x]\n", read_memory(gb, *pc) | (read_memory(gb, *pc + 1) << 8)); + GB_log(gb, "LD a, [%04x]\n", GB_read_memory(gb, *pc) | (GB_read_memory(gb, *pc + 1) << 8)); (*pc) += 2; } -static void di(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void di(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "DI\n"); + GB_log(gb, "DI\n"); } -static void ei(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ei(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "EI\n"); + GB_log(gb, "EI\n"); } -static void ld_hl_sp_r8(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_hl_sp_r8(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - signed char temp = read_memory(gb, (*pc)++); - gb_log(gb, "LD hl, sp, %s%02x\n", temp < 0? "-" : "", temp < 0? -temp : temp); + int8_t temp = GB_read_memory(gb, (*pc)++); + GB_log(gb, "LD hl, sp, %s%02x\n", temp < 0? "-" : "", temp < 0? -temp : temp); } -static void ld_sp_hl(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void ld_sp_hl(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "LD sp, hl\n"); + GB_log(gb, "LD sp, hl\n"); } -static void rlc_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rlc_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RLC %s\n", get_src_name(opcode)); + GB_log(gb, "RLC %s\n", get_src_name(opcode)); } -static void rrc_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rrc_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RRC %s\n", get_src_name(opcode)); + GB_log(gb, "RRC %s\n", get_src_name(opcode)); } -static void rl_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rl_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RL %s\n", get_src_name(opcode)); + GB_log(gb, "RL %s\n", get_src_name(opcode)); } -static void rr_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void rr_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RR %s\n", get_src_name(opcode)); + GB_log(gb, "RR %s\n", get_src_name(opcode)); } -static void sla_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sla_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SLA %s\n", get_src_name(opcode)); + GB_log(gb, "SLA %s\n", get_src_name(opcode)); } -static void sra_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void sra_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SRA %s\n", get_src_name(opcode)); + GB_log(gb, "SRA %s\n", get_src_name(opcode)); } -static void srl_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void srl_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "SRL %s\n", get_src_name(opcode)); + GB_log(gb, "SRL %s\n", get_src_name(opcode)); } -static void swap_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void swap_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { (*pc)++; - gb_log(gb, "RLC %s\n", get_src_name(opcode)); + GB_log(gb, "RLC %s\n", get_src_name(opcode)); } -static void bit_r(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void bit_r(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - unsigned char bit; + uint8_t bit; (*pc)++; bit = ((opcode >> 3) & 7); if ((opcode & 0xC0) == 0x40) { /* Bit */ - gb_log(gb, "BIT %s, %d\n", get_src_name(opcode), bit); + GB_log(gb, "BIT %s, %d\n", get_src_name(opcode), bit); } else if ((opcode & 0xC0) == 0x80) { /* res */ - gb_log(gb, "RES %s, %d\n", get_src_name(opcode), bit); + GB_log(gb, "RES %s, %d\n", get_src_name(opcode), bit); } else if ((opcode & 0xC0) == 0xC0) { /* set */ - gb_log(gb, "SET %s, %d\n", get_src_name(opcode), bit); + GB_log(gb, "SET %s, %d\n", get_src_name(opcode), bit); } } -static void cb_prefix(GB_gameboy_t *gb, unsigned char opcode, unsigned short *pc) +static void cb_prefix(GB_gameboy_t *gb, uint8_t opcode, uint16_t *pc) { - opcode = read_memory(gb, ++*pc); + opcode = GB_read_memory(gb, ++*pc); switch (opcode >> 3) { case 0: rlc_r(gb, opcode, pc); @@ -670,11 +670,11 @@ static GB_opcode_t *opcodes[256] = { ld_hl_sp_r8,ld_sp_hl, ld_a_da16, ei, ill, ill, cp_a_d8, rst, }; -void cpu_disassemble(GB_gameboy_t *gb, unsigned short pc, unsigned short count) +void GB_cpu_disassemble(GB_gameboy_t *gb, uint16_t pc, uint16_t count) { while (count--) { - gb_log(gb, "%s%04x: ", pc == gb->pc? "-> ": " ", pc); - unsigned char opcode = read_memory(gb, pc); + GB_log(gb, "%s%04x: ", pc == gb->pc? "-> ": " ", pc); + uint8_t opcode = GB_read_memory(gb, pc); opcodes[opcode](gb, opcode, &pc); } } diff --git a/SDL/main.c b/SDL/main.c index 07e8fed..48a5aae 100644 --- a/SDL/main.c +++ b/SDL/main.c @@ -9,7 +9,7 @@ static bool running = false; -void update_keys_status(GB_gameboy_t *gb) +void GB_update_keys_status(GB_gameboy_t *gb) { static bool ctrl = false; SDL_Event event; @@ -74,9 +74,9 @@ void vblank(GB_gameboy_t *gb) { SDL_Surface *screen = gb->user_data; SDL_Flip(screen); - update_keys_status(gb); + GB_update_keys_status(gb); - gb_set_pixels_output(gb, screen->pixels); + GB_set_pixels_output(gb, screen->pixels); } #ifdef __APPLE__ @@ -123,7 +123,7 @@ static char *executable_relative_path(const char *filename) } static SDL_Surface *screen = NULL; -static uint32_t rgb_encode(GB_gameboy_t *gb, unsigned char r, unsigned char g, unsigned char b) +static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b) { return SDL_MapRGB(screen->format, r, g, b); } @@ -138,7 +138,7 @@ static void debugger_interrupt(int ignore) static void audio_callback(void *gb, Uint8 *stream, int len) { - apu_copy_buffer(gb, (GB_sample_t *) stream, len / sizeof(GB_sample_t)); + GB_apu_copy_buffer(gb, (GB_sample_t *) stream, len / sizeof(GB_sample_t)); } #ifdef __APPLE__ @@ -169,21 +169,21 @@ usage: if (dmg) { - gb_init(&gb); - if (gb_load_bios(&gb, executable_relative_path("dmg_boot.bin"))) { + GB_init(&gb); + if (GB_load_boot_rom(&gb, executable_relative_path("dmg_boot.bin"))) { perror("Failed to load boot ROM"); exit(1); } } else { - gb_init_cgb(&gb); - if (gb_load_bios(&gb, executable_relative_path("cgb_boot.bin"))) { + GB_init_cgb(&gb); + if (GB_load_boot_rom(&gb, executable_relative_path("cgb_boot.bin"))) { perror("Failed to load boot ROM"); exit(1); } } - if (gb_load_rom(&gb, argv[argc - 1])) { + if (GB_load_rom(&gb, argv[argc - 1])) { perror("Failed to load ROM"); exit(1); } @@ -198,10 +198,10 @@ usage: #endif /* Configure Screen */ SDL_LockSurface(screen); - gb_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); + GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); gb.user_data = screen; - gb_set_pixels_output(&gb, screen->pixels); - gb_set_rgb_encode_callback(&gb, rgb_encode); + GB_set_pixels_output(&gb, screen->pixels); + GB_set_rgb_encode_callback(&gb, rgb_encode); /* Configure battery */ size_t path_length = strlen(argv[argc - 1]); @@ -220,7 +220,7 @@ usage: /* Add .sav */ strcat(battery_save_path, ".sav"); - gb_load_battery(&gb, battery_save_path); + GB_load_battery(&gb, battery_save_path); /* Configure Audio */ SDL_AudioSpec want, have; @@ -232,7 +232,7 @@ usage: want.callback = audio_callback; want.userdata = &gb; SDL_OpenAudio(&want, &have); - gb_set_sample_rate(&gb, 96000); + GB_set_sample_rate(&gb, 96000); /* Start Audio */ SDL_PauseAudio(0); @@ -240,11 +240,11 @@ usage: /* Run emulation */ running = true; while (running) { - gb_run(&gb); + GB_run(&gb); } SDL_CloseAudio(); - gb_save_battery(&gb, battery_save_path); + GB_save_battery(&gb, battery_save_path); return 0; }