Max/SameBoy
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update to master

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radius 2018-01-26 18:51:39 -05:00
commit 6d868c8f7c
11 changed files with 434 additions and 393 deletions
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2
BootROMs/agb_boot.asm Normal file
View File

@ -0,0 +1,2 @@
AGB EQU 1
include "cgb_boot.asm"

23
BootROMs/cgb_boot.asm
View File

@ -732,7 +732,28 @@ Preboot:
ld a, [InputPalette] ld a, [InputPalette]
and a and a
jr nz, .emulateDMGForCGBGame jr nz, .emulateDMGForCGBGame
ld a, $11 IF DEF(AGB)
; Set registers to match the original AGB-CGB boot
ld bc, $1100
push bc
pop af
ld h, c
ld b, 1
ld c, c
ld e, $08
ld l, $7c
ELSE
; Set registers to match the original CGB boot
ld bc, $1180
push bc
pop af
ld c, 0
ld h, c
ld b, c
ld c, c
ld e, $08
ld l, $7c
ENDC
ret ret
.emulateDMGForCGBGame .emulateDMGForCGBGame

33
Cocoa/Document.m
View File

@ -11,6 +11,13 @@
/* Todo: The general Objective-C coding style conflicts with SameBoy's. This file needs a cleanup. */ /* Todo: The general Objective-C coding style conflicts with SameBoy's. This file needs a cleanup. */
/* Todo: Split into category files! This is so messy!!! */ /* Todo: Split into category files! This is so messy!!! */
enum model {
MODEL_NONE,
MODEL_DMG,
MODEL_CGB,
MODEL_AGB,
};
@interface Document () @interface Document ()
{ {
/* NSTextViews freeze the entire app if they're modified too often and too quickly. /* NSTextViews freeze the entire app if they're modified too often and too quickly.
@ -43,6 +50,7 @@
NSMutableString *capturedOutput; NSMutableString *capturedOutput;
bool logToSideView; bool logToSideView;
bool shouldClearSideView; bool shouldClearSideView;
enum model current_model;
} }
@property GBAudioClient *audioClient; @property GBAudioClient *audioClient;
@ -126,6 +134,7 @@ static void printImage(GB_gameboy_t *gb, uint32_t *image, uint8_t height,
- (void) initDMG - (void) initDMG
{ {
current_model = MODEL_DMG;
GB_init(&gb); GB_init(&gb);
[self initCommon]; [self initCommon];
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]); GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]);
@ -135,7 +144,14 @@ static void printImage(GB_gameboy_t *gb, uint32_t *image, uint8_t height,
{ {
GB_init_cgb(&gb); GB_init_cgb(&gb);
[self initCommon]; [self initCommon];
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]); if ([[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateAGB"]) {
current_model = MODEL_AGB;
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"agb_boot" ofType:@"bin"] UTF8String]);
}
else {
current_model = MODEL_CGB;
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]);
}
} }
- (void) initCommon - (void) initCommon
@ -214,17 +230,20 @@ static void printImage(GB_gameboy_t *gb, uint32_t *image, uint8_t height,
{ {
[self stop]; [self stop];
if ([sender tag] == 0) { if ([sender tag] == MODEL_NONE) {
GB_reset(&gb); GB_reset(&gb);
} }
else { else {
GB_switch_model_and_reset(&gb, [sender tag] == 2); current_model = (enum model)[sender tag];
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:[sender tag] == 2? @"cgb_boot" : @"dmg_boot" ofType:@"bin"] UTF8String]); GB_switch_model_and_reset(&gb, current_model != MODEL_DMG);
static NSString * const boot_names[] = {@"dmg_boot", @"cgb_boot", @"agb_boot"};
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:boot_names[current_model - 1] ofType:@"bin"] UTF8String]);
} }
if ([sender tag] != 0) { if ([sender tag] != 0) {
/* User explictly selected a model, save the preference */ /* User explictly selected a model, save the preference */
[[NSUserDefaults standardUserDefaults] setBool:[sender tag] == 1 forKey:@"EmulateDMG"]; [[NSUserDefaults standardUserDefaults] setBool:current_model == MODEL_DMG forKey:@"EmulateDMG"];
[[NSUserDefaults standardUserDefaults] setBool:current_model== MODEL_AGB forKey:@"EmulateAGB"];
} }
/* Reload the ROM, SAV and SYM files */ /* Reload the ROM, SAV and SYM files */
@ -441,8 +460,8 @@ static void printImage(GB_gameboy_t *gb, uint32_t *image, uint8_t height,
[(NSMenuItem*)anItem setState:(!running) || (GB_debugger_is_stopped(&gb))]; [(NSMenuItem*)anItem setState:(!running) || (GB_debugger_is_stopped(&gb))];
return !GB_debugger_is_stopped(&gb); return !GB_debugger_is_stopped(&gb);
} }
else if ([anItem action] == @selector(reset:) && anItem.tag != 0) { else if ([anItem action] == @selector(reset:) && anItem.tag != MODEL_NONE) {
[(NSMenuItem*)anItem setState:(anItem.tag == 1 && !GB_is_cgb(&gb)) || (anItem.tag == 2 && GB_is_cgb(&gb))]; [(NSMenuItem*)anItem setState:anItem.tag == current_model];
} }
else if ([anItem action] == @selector(toggleBlend:)) { else if ([anItem action] == @selector(toggleBlend:)) {
[(NSMenuItem*)anItem setState:self.view.shouldBlendFrameWithPrevious]; [(NSMenuItem*)anItem setState:self.view.shouldBlendFrameWithPrevious];

10
Cocoa/MainMenu.xib
View File

@ -311,18 +311,24 @@
</menu> </menu>
</menuItem> </menuItem>
<menuItem isSeparatorItem="YES" id="5GS-tt-E0a"/> <menuItem isSeparatorItem="YES" id="5GS-tt-E0a"/>
<menuItem title="Gameboy" tag="1" id="vc7-yy-ARW"> <menuItem title="Game Boy" tag="1" id="vc7-yy-ARW">
<modifierMask key="keyEquivalentModifierMask"/> <modifierMask key="keyEquivalentModifierMask"/>
<connections> <connections>
<action selector="reset:" target="-1" id="E4M-QG-ua9"/> <action selector="reset:" target="-1" id="E4M-QG-ua9"/>
</connections> </connections>
</menuItem> </menuItem>
<menuItem title="Gameboy Color" tag="2" id="hdG-Bl-8nJ"> <menuItem title="Game Boy Color" tag="2" id="hdG-Bl-8nJ">
<modifierMask key="keyEquivalentModifierMask"/> <modifierMask key="keyEquivalentModifierMask"/>
<connections> <connections>
<action selector="reset:" target="-1" id="xAz-cr-0u2"/> <action selector="reset:" target="-1" id="xAz-cr-0u2"/>
</connections> </connections>
</menuItem> </menuItem>
<menuItem title="Game Boy Advance" tag="3" id="7jw-B1-tf5">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="reset:" target="-1" id="xQk-4e-kd7"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="DPb-Sh-5tg"/> <menuItem isSeparatorItem="YES" id="DPb-Sh-5tg"/>
<menuItem title="Mute Sound" keyEquivalent="m" id="1UK-8n-QPP"> <menuItem title="Mute Sound" keyEquivalent="m" id="1UK-8n-QPP">
<connections> <connections>

21
Core/apu.c
View File

@ -173,7 +173,9 @@ void GB_apu_div_event(GB_gameboy_t *gb)
gb->apu.square_channels[i].volume_countdown = nrx2 & 7; gb->apu.square_channels[i].volume_countdown = nrx2 & 7;
update_square_sample(gb, i); if (gb->apu.is_active[i]) {
update_square_sample(gb, i);
}
} }
} }
} }
@ -192,10 +194,12 @@ void GB_apu_div_event(GB_gameboy_t *gb)
gb->apu.noise_channel.volume_countdown = nr42 & 7; gb->apu.noise_channel.volume_countdown = nr42 & 7;
update_sample(gb, GB_NOISE, if (gb->apu.is_active[GB_NOISE]) {
(gb->apu.noise_channel.lfsr & 1) ? update_sample(gb, GB_NOISE,
gb->apu.noise_channel.current_volume : 0, (gb->apu.noise_channel.lfsr & 1) ?
0); gb->apu.noise_channel.current_volume : 0,
0);
}
} }
} }
} }
@ -465,6 +469,7 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
/* Globals */ /* Globals */
case GB_IO_NR50: case GB_IO_NR50:
case GB_IO_NR51: case GB_IO_NR51:
gb->io_registers[reg] = value;
/* These registers affect the output of all 4 channels (but not the output of the PCM registers).*/ /* These registers affect the output of all 4 channels (but not the output of the PCM registers).*/
/* We call update_samples with the current value so the APU output is updated with the new outputs */ /* We call update_samples with the current value so the APU output is updated with the new outputs */
for (unsigned i = GB_N_CHANNELS; i--;) { for (unsigned i = GB_N_CHANNELS; i--;) {
@ -748,8 +753,6 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
case GB_IO_NR44: { case GB_IO_NR44: {
if (value & 0x80) { if (value & 0x80) {
gb->apu.noise_channel.lfsr = 0;
gb->apu.noise_channel.sample_countdown = (gb->apu.noise_channel.sample_length) * 2 + 6 - gb->apu.lf_div; gb->apu.noise_channel.sample_countdown = (gb->apu.noise_channel.sample_length) * 2 + 6 - gb->apu.lf_div;
/* I'm COMPLETELY unsure about this logic, but it passes all relevant tests. /* I'm COMPLETELY unsure about this logic, but it passes all relevant tests.
@ -777,7 +780,7 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
gb->apu.noise_channel.current_volume : 0, gb->apu.noise_channel.current_volume : 0,
0); 0);
} }
gb->apu.noise_channel.lfsr = 0;
gb->apu.noise_channel.volume_countdown = gb->io_registers[GB_IO_NR42] & 7; gb->apu.noise_channel.volume_countdown = gb->io_registers[GB_IO_NR42] & 7;
if ((gb->io_registers[GB_IO_NR42] & 0xF8) != 0) { if ((gb->io_registers[GB_IO_NR42] & 0xF8) != 0) {
@ -821,7 +824,7 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
size_t GB_apu_get_current_buffer_length(GB_gameboy_t *gb) size_t GB_apu_get_current_buffer_length(GB_gameboy_t *gb)
{ {
return gb->apu_output.buffer_position; return gb->apu_output.buffer_position;
} }
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)

7
Makefile
View File

@ -90,9 +90,9 @@ endif
cocoa: $(BIN)/SameBoy.app cocoa: $(BIN)/SameBoy.app
quicklook: $(BIN)/SameBoy.qlgenerator quicklook: $(BIN)/SameBoy.qlgenerator
sdl: $(SDL_TARGET) $(BIN)/SDL/dmg_boot.bin $(BIN)/SDL/cgb_boot.bin $(BIN)/SDL/LICENSE $(BIN)/SDL/registers.sym $(BIN)/SDL/background.bmp $(BIN)/SDL/Shaders sdl: $(SDL_TARGET) $(BIN)/SDL/dmg_boot.bin $(BIN)/SDL/cgb_boot.bin $(BIN)/SDL/agb_boot.bin $(BIN)/SDL/LICENSE $(BIN)/SDL/registers.sym $(BIN)/SDL/background.bmp $(BIN)/SDL/Shaders
bootroms: $(BIN)/BootROMs/cgb_boot.bin $(BIN)/BootROMs/dmg_boot.bin bootroms: $(BIN)/BootROMs/agb_boot.bin $(BIN)/BootROMs/cgb_boot.bin $(BIN)/BootROMs/dmg_boot.bin
tester: $(TESTER_TARGET) $(BIN)/tester/dmg_boot.bin $(BIN)/tester/cgb_boot.bin tester: $(TESTER_TARGET) $(BIN)/tester/dmg_boot.bin $(BIN)/tester/cgb_boot.bin $(BIN)/tester/agb_boot.bin
all: cocoa sdl tester libretro all: cocoa sdl tester libretro
# Get a list of our source files and their respective object file targets # Get a list of our source files and their respective object file targets
@ -161,6 +161,7 @@ $(BIN)/SameBoy.app: $(BIN)/SameBoy.app/Contents/MacOS/SameBoy \
Misc/registers.sym \ Misc/registers.sym \
$(BIN)/SameBoy.app/Contents/Resources/dmg_boot.bin \ $(BIN)/SameBoy.app/Contents/Resources/dmg_boot.bin \
$(BIN)/SameBoy.app/Contents/Resources/cgb_boot.bin \ $(BIN)/SameBoy.app/Contents/Resources/cgb_boot.bin \
$(BIN)/SameBoy.app/Contents/Resources/agb_boot.bin \
$(patsubst %.xib,%.nib,$(addprefix $(BIN)/SameBoy.app/Contents/Resources/Base.lproj/,$(shell cd Cocoa;ls *.xib))) \ $(patsubst %.xib,%.nib,$(addprefix $(BIN)/SameBoy.app/Contents/Resources/Base.lproj/,$(shell cd Cocoa;ls *.xib))) \
$(BIN)/SameBoy.qlgenerator \ $(BIN)/SameBoy.qlgenerator \
Shaders Shaders

61
SDL/gui.c
View File

@ -60,7 +60,8 @@ configuration_t configuration =
.color_correction_mode = GB_COLOR_CORRECTION_EMULATE_HARDWARE, .color_correction_mode = GB_COLOR_CORRECTION_EMULATE_HARDWARE,
.highpass_mode = GB_HIGHPASS_ACCURATE, .highpass_mode = GB_HIGHPASS_ACCURATE,
.scaling_mode = GB_SDL_SCALING_INTEGER_FACTOR, .scaling_mode = GB_SDL_SCALING_INTEGER_FACTOR,
.blend_frames = true .blend_frames = true,
.model = MODEL_CGB
}; };
@ -72,7 +73,6 @@ static const char *help[] ={
" Open Menu: Escape\n" " Open Menu: Escape\n"
" Reset: " MODIFIER_NAME "+R\n" " Reset: " MODIFIER_NAME "+R\n"
" Pause: " MODIFIER_NAME "+P\n" " Pause: " MODIFIER_NAME "+P\n"
" Toggle DMG/CGB: " MODIFIER_NAME "+T\n"
" Save state: " MODIFIER_NAME "+(0-9)\n" " Save state: " MODIFIER_NAME "+(0-9)\n"
" Load state: " MODIFIER_NAME "+" SHIFT_STRING "+(0-9)\n" " Load state: " MODIFIER_NAME "+" SHIFT_STRING "+(0-9)\n"
#ifdef __APPLE__ #ifdef __APPLE__
@ -225,6 +225,7 @@ static void item_help(unsigned index)
gui_state = SHOWING_HELP; gui_state = SHOWING_HELP;
} }
static void enter_emulation_menu(unsigned index);
static void enter_graphics_menu(unsigned index); static void enter_graphics_menu(unsigned index);
static void enter_controls_menu(unsigned index); static void enter_controls_menu(unsigned index);
static void enter_joypad_menu(unsigned index); static void enter_joypad_menu(unsigned index);
@ -232,6 +233,7 @@ static void enter_audio_menu(unsigned index);
static const struct menu_item paused_menu[] = { static const struct menu_item paused_menu[] = {
{"Resume", NULL}, {"Resume", NULL},
{"Enumlation Options", enter_emulation_menu},
{"Graphic Options", enter_graphics_menu}, {"Graphic Options", enter_graphics_menu},
{"Audio Options", enter_audio_menu}, {"Audio Options", enter_audio_menu},
{"Keyboard", enter_controls_menu}, {"Keyboard", enter_controls_menu},
@ -243,6 +245,49 @@ static const struct menu_item paused_menu[] = {
static const struct menu_item *const nonpaused_menu = &paused_menu[1]; static const struct menu_item *const nonpaused_menu = &paused_menu[1];
static void return_to_root_menu(unsigned index)
{
current_menu = root_menu;
current_selection = 0;
}
static void cycle_model(unsigned index)
{
configuration.model++;
if (configuration.model == MODEL_MAX) {
configuration.model = 0;
}
pending_command = GB_SDL_RESET_COMMAND;
}
static void cycle_model_backwards(unsigned index)
{
if (configuration.model == 0) {
configuration.model = MODEL_MAX;
}
configuration.model--;
pending_command = GB_SDL_RESET_COMMAND;
}
const char *current_model_string(unsigned index)
{
return (const char *[]){"Game Boy", "Game Boy Color", "Game Boy Advance"}
[configuration.model];
}
static const struct menu_item emulation_menu[] = {
{"Emulated Model:", cycle_model, current_model_string, cycle_model_backwards},
{"Back", return_to_root_menu},
{NULL,}
};
static void enter_emulation_menu(unsigned index)
{
current_menu = emulation_menu;
current_selection = 0;
}
const char *current_scaling_mode(unsigned index) const char *current_scaling_mode(unsigned index)
{ {
return (const char *[]){"Fill Entire Window", "Retain Aspect Ratio", "Retain Integer Factor"} return (const char *[]){"Fill Entire Window", "Retain Aspect Ratio", "Retain Integer Factor"}
@ -374,12 +419,6 @@ const char *current_filter_name(unsigned index)
return shaders[i].display_name; return shaders[i].display_name;
} }
static void return_to_root_menu(unsigned index)
{
current_menu = root_menu;
current_selection = 0;
}
static void toggle_blend_frames(unsigned index) static void toggle_blend_frames(unsigned index)
{ {
configuration.blend_frames ^= true; configuration.blend_frames ^= true;
@ -808,9 +847,12 @@ void run_gui(bool is_running)
current_selection--; current_selection--;
should_render = true; should_render = true;
} }
else if (event.key.keysym.scancode == SDL_SCANCODE_RETURN) { else if (event.key.keysym.scancode == SDL_SCANCODE_RETURN && !current_menu[current_selection].backwards_handler) {
if (current_menu[current_selection].handler) { if (current_menu[current_selection].handler) {
current_menu[current_selection].handler(current_selection); current_menu[current_selection].handler(current_selection);
if (pending_command == GB_SDL_RESET_COMMAND && !is_running) {
pending_command = GB_SDL_NO_COMMAND;
}
if (pending_command) { if (pending_command) {
if (!is_running && pending_command == GB_SDL_QUIT_COMMAND) { if (!is_running && pending_command == GB_SDL_QUIT_COMMAND) {
exit(0); exit(0);
@ -853,6 +895,7 @@ void run_gui(bool is_running)
switch (gui_state) { switch (gui_state) {
case SHOWING_DROP_MESSAGE: case SHOWING_DROP_MESSAGE:
draw_text_centered(pixels, 8, "Press ESC for menu", gui_palette_native[3], gui_palette_native[0], false);
draw_text_centered(pixels, 116, "Drop a GB or GBC", gui_palette_native[3], gui_palette_native[0], false); draw_text_centered(pixels, 116, "Drop a GB or GBC", gui_palette_native[3], gui_palette_native[0], false);
draw_text_centered(pixels, 128, "file to play", gui_palette_native[3], gui_palette_native[0], false); draw_text_centered(pixels, 128, "file to play", gui_palette_native[3], gui_palette_native[0], false);
break; break;

7
SDL/gui.h
View File

@ -25,7 +25,6 @@ enum pending_command {
GB_SDL_LOAD_STATE_COMMAND, GB_SDL_LOAD_STATE_COMMAND,
GB_SDL_RESET_COMMAND, GB_SDL_RESET_COMMAND,
GB_SDL_NEW_FILE_COMMAND, GB_SDL_NEW_FILE_COMMAND,
GB_SDL_TOGGLE_MODEL_COMMAND,
GB_SDL_QUIT_COMMAND, GB_SDL_QUIT_COMMAND,
}; };
@ -44,6 +43,12 @@ typedef struct {
bool swap_joysticks_bits_1_and_2; bool swap_joysticks_bits_1_and_2;
char filter[32]; char filter[32];
enum {
MODEL_DMG,
MODEL_CGB,
MODEL_AGB,
MODEL_MAX,
} model;
} configuration_t; } configuration_t;
extern configuration_t configuration; extern configuration_t configuration;

46
SDL/main.c
View File

@ -14,7 +14,6 @@
#endif #endif
GB_gameboy_t gb; GB_gameboy_t gb;
static bool dmg = false;
static bool paused = false; static bool paused = false;
static uint32_t pixel_buffer_1[160*144], pixel_buffer_2[160*144]; static uint32_t pixel_buffer_1[160*144], pixel_buffer_2[160*144];
static uint32_t *active_pixel_buffer = pixel_buffer_1, *previous_pixel_buffer = pixel_buffer_2; static uint32_t *active_pixel_buffer = pixel_buffer_1, *previous_pixel_buffer = pixel_buffer_2;
@ -185,12 +184,6 @@ static void handle_events(GB_gameboy_t *gb)
} }
break; break;
case SDL_SCANCODE_T:
if (event.key.keysym.mod & MODIFIER) {
pending_command = GB_SDL_TOGGLE_MODEL_COMMAND;
}
break;
case SDL_SCANCODE_P: case SDL_SCANCODE_P:
if (event.key.keysym.mod & MODIFIER) { if (event.key.keysym.mod & MODIFIER) {
paused = !paused; paused = !paused;
@ -308,8 +301,7 @@ static bool handle_pending_command(void)
} }
case GB_SDL_RESET_COMMAND: case GB_SDL_RESET_COMMAND:
GB_reset(&gb); return true;
return false;
case GB_SDL_NO_COMMAND: case GB_SDL_NO_COMMAND:
return false; return false;
@ -317,10 +309,6 @@ static bool handle_pending_command(void)
case GB_SDL_NEW_FILE_COMMAND: case GB_SDL_NEW_FILE_COMMAND:
return true; return true;
case GB_SDL_TOGGLE_MODEL_COMMAND:
dmg = !dmg;
return true;
case GB_SDL_QUIT_COMMAND: case GB_SDL_QUIT_COMMAND:
GB_save_battery(&gb, battery_save_path_ptr); GB_save_battery(&gb, battery_save_path_ptr);
exit(0); exit(0);
@ -333,10 +321,10 @@ static void run(void)
pending_command = GB_SDL_NO_COMMAND; pending_command = GB_SDL_NO_COMMAND;
restart: restart:
if (GB_is_inited(&gb)) { if (GB_is_inited(&gb)) {
GB_switch_model_and_reset(&gb, !dmg); GB_switch_model_and_reset(&gb, configuration.model != MODEL_DMG);
} }
else { else {
if (dmg) { if (configuration.model == MODEL_DMG) {
GB_init(&gb); GB_init(&gb);
} }
else { else {
@ -353,12 +341,8 @@ restart:
bool error = false; bool error = false;
start_capturing_logs(); start_capturing_logs();
if (dmg) { const char * const boot_roms[] = {"dmg_boot.bin", "cgb_boot.bin", "agb_boot.bin"};
error = GB_load_boot_rom(&gb, executable_relative_path("dmg_boot.bin")); error = GB_load_boot_rom(&gb, executable_relative_path(boot_roms[configuration.model]));
}
else {
error = GB_load_boot_rom(&gb, executable_relative_path("cgb_boot.bin"));
}
end_capturing_logs(true, error); end_capturing_logs(true, error);
start_capturing_logs(); start_capturing_logs();
@ -416,25 +400,13 @@ int main(int argc, char **argv)
#define xstr(x) str(x) #define xstr(x) str(x)
fprintf(stderr, "SameBoy v" xstr(VERSION) "\n"); fprintf(stderr, "SameBoy v" xstr(VERSION) "\n");
if (argc > 3) { if (argc > 2) {
usage: fprintf(stderr, "Usage: %s [rom]\n", argv[0]);
fprintf(stderr, "Usage: %s [--dmg] [rom]\n", argv[0]);
exit(1); exit(1);
} }
for (unsigned i = 1; i < argc; i++) { if (argc == 2) {
if (strcmp(argv[i], "--dmg") == 0) { filename = argv[1];
if (dmg) {
goto usage;
}
dmg = true;
}
else if (!filename) {
filename = argv[i];
}
else {
goto usage;
}
} }
signal(SIGINT, debugger_interrupt); signal(SIGINT, debugger_interrupt);

3
libretro/Makefile.common
View File

@ -11,8 +11,9 @@ SOURCES_C := $(CORE_DIR)/Core/gb.c \
$(CORE_DIR)/Core/z80_cpu.c \ $(CORE_DIR)/Core/z80_cpu.c \
$(CORE_DIR)/Core/joypad.c \ $(CORE_DIR)/Core/joypad.c \
$(CORE_DIR)/Core/save_state.c \ $(CORE_DIR)/Core/save_state.c \
$(CORE_DIR)/libretro/agb_boot.c \
$(CORE_DIR)/libretro/cgb_boot.c \ $(CORE_DIR)/libretro/cgb_boot.c \
$(CORE_DIR)/libretro/dmg_boot.c \ $(CORE_DIR)/libretro/dmg_boot.c \
$(CORE_DIR)/libretro/libretro.c $(CORE_DIR)/libretro/libretro.c
ifeq ($(HAVE_DEBUGGER), 1) ifeq ($(HAVE_DEBUGGER), 1)

564
libretro/libretro.c
View File

@ -6,7 +6,8 @@
#include <signal.h> #include <signal.h>
#include <stdarg.h> #include <stdarg.h>
#define AUDIO_FREQUENCY 44100 #define AUDIO_FREQUENCY 384000
#define FRAME_RATE (0x400000 / 70224.0)
#ifdef _WIN32 #ifdef _WIN32
#include <direct.h> #include <direct.h>
@ -20,9 +21,9 @@
#include "libretro.h" #include "libretro.h"
#ifdef _WIN32 #ifdef _WIN32
char slash = '\\'; static const char slash = '\\';
#else #else
char slash = '/'; static const char slash = '/';
#endif #endif
#define VIDEO_WIDTH 160 #define VIDEO_WIDTH 160
@ -32,6 +33,14 @@
char battery_save_path[512]; char battery_save_path[512];
char symbols_path[512]; char symbols_path[512];
enum model {
MODEL_DMG,
MODEL_CGB,
MODEL_AGB
};
static enum model model = MODEL_CGB;
static uint32_t *frame_buf; static uint32_t *frame_buf;
static struct retro_log_callback logging; static struct retro_log_callback logging;
static retro_log_printf_t log_cb; static retro_log_printf_t log_cb;
@ -41,7 +50,7 @@ static retro_audio_sample_batch_t audio_batch_cb;
static retro_input_poll_t input_poll_cb; static retro_input_poll_t input_poll_cb;
static retro_input_state_t input_state_cb; static retro_input_state_t input_state_cb;
signed short soundbuf[1024*2]; signed short soundbuf[1024 * 2];
char retro_system_directory[4096]; char retro_system_directory[4096];
char retro_save_directory[4096]; char retro_save_directory[4096];
@ -49,34 +58,16 @@ char retro_game_path[4096];
int RLOOP=1; int RLOOP=1;
GB_gameboy_t gb; GB_gameboy_t gb;
extern const unsigned char dmg_boot[], cgb_boot[]; extern const unsigned char dmg_boot[], cgb_boot[], agb_boot[];
extern const unsigned dmg_boot_length, cgb_boot_length; extern const unsigned dmg_boot_length, cgb_boot_length, agb_boot_length;
static void fallback_log(enum retro_log_level level, const char *fmt, ...) static void fallback_log(enum retro_log_level level, const char *fmt, ...)
{ {
(void)level; (void)level;
va_list va; va_list va;
va_start(va, fmt); va_start(va, fmt);
vfprintf(stderr, fmt, va); vfprintf(stderr, fmt, va);
va_end(va); va_end(va);
}
static void replace_extension(const char *src, size_t length, char *dest, const char *ext)
{
memcpy(dest, src, length);
dest[length] = 0;
/* Remove extension */
for (size_t i = length; i--;) {
if (dest[i] == '/') break;
if (dest[i] == '.') {
dest[i] = 0;
break;
}
}
/* Add new extension */
strcat(dest, ext);
} }
static struct retro_rumble_interface rumble; static struct retro_rumble_interface rumble;
@ -84,37 +75,46 @@ static struct retro_rumble_interface rumble;
static void GB_update_keys_status(GB_gameboy_t *gb) static void GB_update_keys_status(GB_gameboy_t *gb)
{ {
input_poll_cb(); input_poll_cb();
GB_set_key_state(gb, GB_KEY_RIGHT,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT)); GB_set_key_state(gb, GB_KEY_RIGHT,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT));
GB_set_key_state(gb, GB_KEY_LEFT, input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT)); GB_set_key_state(gb, GB_KEY_LEFT, input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT));
GB_set_key_state(gb, GB_KEY_UP,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP) ); GB_set_key_state(gb, GB_KEY_UP,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP) );
GB_set_key_state(gb, GB_KEY_DOWN,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN)); GB_set_key_state(gb, GB_KEY_DOWN,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN));
GB_set_key_state(gb, GB_KEY_A,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A) ); GB_set_key_state(gb, GB_KEY_A,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A) );
GB_set_key_state(gb, GB_KEY_B,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B) ); GB_set_key_state(gb, GB_KEY_B,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B) );
GB_set_key_state(gb, GB_KEY_SELECT,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT)); GB_set_key_state(gb, GB_KEY_SELECT,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT));
GB_set_key_state(gb, GB_KEY_START,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START) ); GB_set_key_state(gb, GB_KEY_START,input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START) );
if (gb->rumble_state) if (gb->rumble_state)
rumble.set_rumble_state(0, RETRO_RUMBLE_STRONG, 65535); rumble.set_rumble_state(0, RETRO_RUMBLE_STRONG, 65535);
else else
rumble.set_rumble_state(0, RETRO_RUMBLE_STRONG, 0); rumble.set_rumble_state(0, RETRO_RUMBLE_STRONG, 0);
} }
static void audio_callback(void *gb) static void audio_callback(void *gb)
{ {
GB_apu_copy_buffer(gb, (GB_sample_t *) soundbuf, (float)AUDIO_FREQUENCY / 59.72); size_t length = GB_apu_get_current_buffer_length(gb);
audio_batch_cb(soundbuf, (float)AUDIO_FREQUENCY / 59.72);
while (length > sizeof(soundbuf) / 4)
{
GB_apu_copy_buffer(gb, (GB_sample_t *) soundbuf, 1024);
audio_batch_cb(soundbuf, 1024);
length -= 1024;
}
if (length) {
GB_apu_copy_buffer(gb, (GB_sample_t *) soundbuf, length);
audio_batch_cb(soundbuf, length);
}
} }
static void vblank(GB_gameboy_t *gb) static void vblank(GB_gameboy_t *gb)
{ {
GB_update_keys_status(gb); GB_update_keys_status(gb);
GB_set_pixels_output(gb, frame_buf); audio_callback(gb);
audio_callback(gb);
} }
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b) static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
@ -122,91 +122,81 @@ static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
return r<<16|g<<8|b; return r<<16|g<<8|b;
} }
#ifndef DISABLE_DEBUGGER
static void debugger_interrupt(int ignore)
{
/* ^C twice to exit */
if (GB_debugger_is_stopped(&gb))
exit(0);
GB_debugger_break(&gb);
}
#endif
static retro_environment_t environ_cb; static retro_environment_t environ_cb;
void retro_init(void) void retro_init(void)
{ {
frame_buf = (uint32_t*)malloc(VIDEO_PIXELS * sizeof(uint32_t)); frame_buf = (uint32_t*)malloc(VIDEO_PIXELS * sizeof(uint32_t));
const char *dir = NULL; const char *dir = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", dir); snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", dir);
else else
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", "."); snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", ".");
if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir); snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir);
else else
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", "."); snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", ".");
} }
void retro_deinit(void) void retro_deinit(void)
{ {
free(frame_buf); free(frame_buf);
frame_buf = NULL; frame_buf = NULL;
} }
unsigned retro_api_version(void) unsigned retro_api_version(void)
{ {
return RETRO_API_VERSION; return RETRO_API_VERSION;
} }
void retro_set_controller_port_device(unsigned port, unsigned device) void retro_set_controller_port_device(unsigned port, unsigned device)
{ {
log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port); log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
} }
void retro_get_system_info(struct retro_system_info *info) void retro_get_system_info(struct retro_system_info *info)
{ {
memset(info, 0, sizeof(*info)); memset(info, 0, sizeof(*info));
info->library_name = "SameBoy"; info->library_name = "SameBoy";
#ifdef GIT_VERSION #ifdef GIT_VERSION
info->library_version = SAMEBOY_CORE_VERSION GIT_VERSION; info->library_version = SAMEBOY_CORE_VERSION GIT_VERSION;
#else #else
info->library_version = SAMEBOY_CORE_VERSION; info->library_version = SAMEBOY_CORE_VERSION;
#endif #endif
info->need_fullpath = true; info->need_fullpath = true;
info->valid_extensions = "gb|gbc"; info->valid_extensions = "gb|gbc";
} }
void retro_get_system_av_info(struct retro_system_av_info *info) void retro_get_system_av_info(struct retro_system_av_info *info)
{ {
struct retro_game_geometry geom = { VIDEO_WIDTH, VIDEO_HEIGHT,VIDEO_WIDTH, VIDEO_HEIGHT ,160.0 / 144.0 }; struct retro_game_geometry geom = { VIDEO_WIDTH, VIDEO_HEIGHT,VIDEO_WIDTH, VIDEO_HEIGHT ,160.0 / 144.0 };
struct retro_system_timing timing = { 59.72, 44100.0 }; struct retro_system_timing timing = { FRAME_RATE, AUDIO_FREQUENCY };
info->geometry = geom; info->geometry = geom;
info->timing = timing; info->timing = timing;
} }
void retro_set_environment(retro_environment_t cb) void retro_set_environment(retro_environment_t cb)
{ {
environ_cb = cb; environ_cb = cb;
if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging)) if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
log_cb = logging.log; log_cb = logging.log;
else else
log_cb = fallback_log; log_cb = fallback_log;
static const struct retro_controller_description controllers[] = { static const struct retro_controller_description controllers[] = {
{ "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) }, { "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
}; };
static const struct retro_controller_info ports[] = { static const struct retro_controller_info ports[] = {
{ controllers, 1 }, { controllers, 1 },
{ NULL, 0 }, { NULL, 0 },
}; };
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports); cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
} }
void retro_set_audio_sample(retro_audio_sample_t cb) void retro_set_audio_sample(retro_audio_sample_t cb)
@ -215,266 +205,247 @@ void retro_set_audio_sample(retro_audio_sample_t cb)
void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
{ {
audio_batch_cb = cb; audio_batch_cb = cb;
} }
void retro_set_input_poll(retro_input_poll_t cb) void retro_set_input_poll(retro_input_poll_t cb)
{ {
input_poll_cb = cb; input_poll_cb = cb;
} }
void retro_set_input_state(retro_input_state_t cb) void retro_set_input_state(retro_input_state_t cb)
{ {
input_state_cb = cb; input_state_cb = cb;
} }
void retro_set_video_refresh(retro_video_refresh_t cb) void retro_set_video_refresh(retro_video_refresh_t cb)
{ {
video_cb = cb; video_cb = cb;
} }
void retro_reset(void) void retro_reset(void)
{ {
GB_reset(&gb); GB_reset(&gb);
}
static void init_for_current_model(void)
{
if (GB_is_inited(&gb)) {
GB_switch_model_and_reset(&gb, model != MODEL_DMG);
}
else {
if (model == MODEL_DMG) {
GB_init(&gb);
}
else {
GB_init_cgb(&gb);
}
}
const char *model_name = (const char *[]){"dmg", "cgb", "agb"}[model];
const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot}[model];
unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length}[model];
char buf[256];
snprintf(buf, sizeof(buf), "%s%c%s_boot.bin", retro_system_directory, slash, model_name);
log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf);
if (GB_load_boot_rom(&gb, buf)) {
GB_load_boot_rom_from_buffer(&gb, boot_code, boot_length);
}
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
GB_set_user_data(&gb, (void*)NULL);
GB_set_pixels_output(&gb,(unsigned int*)frame_buf);
GB_set_rgb_encode_callback(&gb, rgb_encode);
GB_set_sample_rate(&gb, AUDIO_FREQUENCY);
struct retro_memory_descriptor descs[7];
size_t size;
uint16_t bank;
memset(descs, 0, sizeof(descs));
descs[0].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_IE, &size, &bank);
descs[0].start = 0xFFFF;
descs[0].len = 1;
descs[1].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_HRAM, &size, &bank);
descs[1].start = 0xFF80;
descs[1].len = 0x0080;
descs[2].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_RAM, &size, &bank);
descs[2].start = 0xC000;
descs[2].len = 0x2000;
descs[3].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_CART_RAM, &size, &bank);
descs[3].start = 0xA000;
descs[3].len = 0x2000;
descs[4].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_VRAM, &size, &bank);
descs[4].start = 0x8000;
descs[4].len = 0x2000;
descs[5].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_ROM, &size, &bank);
descs[5].start = 0x0000;
descs[5].len = 0x4000;
descs[5].flags = RETRO_MEMDESC_CONST;
descs[6].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_OAM, &size, &bank);
descs[6].start = 0xFE00;
descs[6].len = 0x00A0;
struct retro_memory_map mmaps;
mmaps.descriptors = descs;
mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]);
environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &mmaps);
} }
static void check_variables(void) static void check_variables(void)
{ {
struct retro_variable var = {0}; struct retro_variable var = {0};
var.key = "sameboy_color_correction_mode"; var.key = "sameboy_color_correction_mode";
var.value = NULL; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && GB_is_cgb(&gb)) if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && GB_is_cgb(&gb))
{ {
if (strcmp(var.value, "off") == 0) if (strcmp(var.value, "off") == 0)
GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_DISABLED); GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_DISABLED);
else if (strcmp(var.value, "correct curves") == 0) else if (strcmp(var.value, "correct curves") == 0)
GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_CORRECT_CURVES); GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_CORRECT_CURVES);
else if (strcmp(var.value, "emulate hardware") == 0) else if (strcmp(var.value, "emulate hardware") == 0)
GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_EMULATE_HARDWARE); GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_EMULATE_HARDWARE);
else if (strcmp(var.value, "preserve brightness") == 0) else if (strcmp(var.value, "preserve brightness") == 0)
GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS); GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS);
} }
var.key = "sameboy_high_pass_filter_mode"; var.key = "sameboy_high_pass_filter_mode";
var.value = NULL; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{ {
if (strcmp(var.value, "off") == 0) if (strcmp(var.value, "off") == 0)
GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_OFF); GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_OFF);
else if (strcmp(var.value, "accurate") == 0) else if (strcmp(var.value, "accurate") == 0)
GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_ACCURATE); GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_ACCURATE);
else if (strcmp(var.value, "remove dc offset") == 0) else if (strcmp(var.value, "remove dc offset") == 0)
GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_REMOVE_DC_OFFSET); GB_set_highpass_filter_mode(&gb, GB_HIGHPASS_REMOVE_DC_OFFSET);
} }
var.key = "sameboy_model";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
enum model new_model = model;
if (strcmp(var.value, "Game Boy") == 0)
new_model = MODEL_DMG;
else if (strcmp(var.value, "Game Boy Color") == 0)
new_model = MODEL_CGB;
else if (strcmp(var.value, "Game Boy Advance") == 0)
new_model = MODEL_AGB;
if (GB_is_inited(&gb) && new_model != model) {
model = new_model;
init_for_current_model();
}
}
} }
void retro_run(void) void retro_run(void)
{ {
static int frames; bool updated = false;
size_t samples; if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables();
GB_run_frame(&gb);
bool updated = false; video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT, VIDEO_WIDTH * sizeof(uint32_t));
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables();
samples = GB_apu_get_current_buffer_length(&gb);
if (!(frames < (samples / 35112)))
{
GB_run_frame(&gb);
frames ++;
}
else
frames = 0;
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT, VIDEO_WIDTH * sizeof(uint32_t));
} }
bool retro_load_game(const struct retro_game_info *info) bool retro_load_game(const struct retro_game_info *info)
{ {
struct retro_input_descriptor desc[] = { struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 }, { 0 },
}; };
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc); environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888; enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
{ {
log_cb(RETRO_LOG_INFO, "XRGB8888 is not supported.\n"); log_cb(RETRO_LOG_INFO, "XRGB8888 is not supported.\n");
return false; return false;
} }
snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path); snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path);
char buf[256]; init_for_current_model();
int err = 0;
if (!strstr(info->path, "gbc"))
{
GB_init(&gb);
snprintf(buf, sizeof(buf), "%s%cdmg_boot.bin", retro_system_directory, slash);
log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf);
err = GB_load_boot_rom(&gb, buf);
if (err) { if (GB_load_rom(&gb,info->path)) {
GB_load_boot_rom_from_buffer(&gb, dmg_boot, dmg_boot_length); log_cb(RETRO_LOG_INFO, "Failed to load ROM\n");
err = 0; return false;
} }
}
else
{
GB_init_cgb(&gb);
snprintf(buf, sizeof(buf), "%s%ccgb_boot.bin", retro_system_directory, slash);
log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf);
err = GB_load_boot_rom(&gb, buf);
if (err) { bool yes = true;
GB_load_boot_rom_from_buffer(&gb, cgb_boot, cgb_boot_length); environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes);
err = 0;
}
}
if (err)
log_cb(RETRO_LOG_INFO, "Failed to load boot ROM %s %d\n", buf, err);
(void)info;
if (GB_load_rom(&gb,info->path)) { if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
perror("Failed to load ROM"); log_cb(RETRO_LOG_INFO, "Rumble environment supported.\n");
exit(1); else
} log_cb(RETRO_LOG_INFO, "Rumble environment not supported.\n");
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); static const struct retro_variable vars[] = {
GB_set_user_data(&gb, (void*)NULL); { "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" },
GB_set_pixels_output(&gb,(unsigned int*)frame_buf); { "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
GB_set_rgb_encode_callback(&gb, rgb_encode); { "sameboy_model", "Emulated Model; Game Boy Color|Game Boy Advance|Game Boy" },
{ NULL }
};
size_t path_length = strlen(retro_game_path); environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
check_variables();
#ifndef DISABLE_DEBUGGER return true;
{
char TMPC[512];
sprintf(TMPC,"%s/registers.sym",retro_system_directory);
GB_debugger_load_symbol_file(&gb, TMPC);
}
#endif
replace_extension(retro_game_path, path_length, symbols_path, ".sym");
#ifndef DISABLE_DEBUGGER
GB_debugger_load_symbol_file(&gb, symbols_path);
#endif
GB_set_sample_rate(&gb, AUDIO_FREQUENCY);
struct retro_memory_descriptor descs[7];
size_t size;
uint16_t bank;
memset(descs, 0, sizeof(descs));
descs[0].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_IE, &size, &bank);
descs[0].start = 0xFFFF;
descs[0].len = 1;
descs[1].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_HRAM, &size, &bank);
descs[1].start = 0xFF80;
descs[1].len = 0x0080;
descs[2].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_RAM, &size, &bank);
descs[2].start = 0xC000;
descs[2].len = 0x2000;
descs[3].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_CART_RAM, &size, &bank);
descs[3].start = 0xA000;
descs[3].len = 0x2000;
descs[4].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_VRAM, &size, &bank);
descs[4].start = 0x8000;
descs[4].len = 0x2000;
descs[5].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_ROM, &size, &bank);
descs[5].start = 0x0000;
descs[5].len = 0x4000;
descs[5].flags = RETRO_MEMDESC_CONST;
descs[6].ptr = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_OAM, &size, &bank);
descs[6].start = 0xFE00;
descs[6].len = 0x00A0;
struct retro_memory_map mmaps;
mmaps.descriptors = descs;
mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]);
environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &mmaps);
bool yes = true;
environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes);
if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
log_cb(RETRO_LOG_INFO, "Rumble environment supported.\n");
else
log_cb(RETRO_LOG_INFO, "Rumble environment not supported.\n");
static struct retro_variable vars_cgb[] = {
{ "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
{ NULL }
};
static struct retro_variable vars_dmg[] = {
{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
{ NULL }
};
if (GB_is_cgb(&gb))
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, vars_cgb);
else
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, vars_dmg);
check_variables();
return true;
} }
void retro_unload_game(void) void retro_unload_game(void)
{ {
GB_free(&gb); GB_free(&gb);
} }
unsigned retro_get_region(void) unsigned retro_get_region(void)
{ {
return RETRO_REGION_NTSC; return RETRO_REGION_NTSC;
} }
bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num) bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
{ {
return false; return false;
} }
size_t retro_serialize_size(void) size_t retro_serialize_size(void)
{ {
return GB_get_save_state_size(&gb); return GB_get_save_state_size(&gb);
} }
bool retro_serialize(void *data, size_t size) bool retro_serialize(void *data, size_t size)
{ {
GB_save_state_to_buffer(&gb, (uint8_t*) data); GB_save_state_to_buffer(&gb, (uint8_t*) data);
if (data) if (data)
return true; return true;
else else
return false; return false;
} }
bool retro_unserialize(const void *data, size_t size) bool retro_unserialize(const void *data, size_t size)
{ {
if (GB_load_state_from_buffer(&gb, (uint8_t*) data, size) == 0) if (GB_load_state_from_buffer(&gb, (uint8_t*) data, size) == 0)
return true; return true;
else else
return false; return false;
} }
void *retro_get_memory_data(unsigned type) void *retro_get_memory_data(unsigned type)
@ -499,13 +470,10 @@ void *retro_get_memory_data(unsigned type)
data = &gb.rtc_real; data = &gb.rtc_real;
else else
data = NULL; data = NULL;
break; break;
default: }
data = NULL;
break;
}
return data; return data;
} }
size_t retro_get_memory_size(unsigned type) size_t retro_get_memory_size(unsigned type)
@ -544,8 +512,8 @@ void retro_cheat_reset(void)
void retro_cheat_set(unsigned index, bool enabled, const char *code) void retro_cheat_set(unsigned index, bool enabled, const char *code)
{ {
(void)index; (void)index;
(void)enabled; (void)enabled;
(void)code; (void)code;
} }