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single mode works

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radius 2018-01-31 22:42:26 -05:00
parent f7d129bd24
commit 7ee063da28
1 changed files with 183 additions and 199 deletions
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382
libretro/libretro.c
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@ -61,7 +61,7 @@ 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;
static unsigned emulated_devices = 2; static unsigned emulated_devices = 1;
static unsigned layout = 0; static unsigned layout = 0;
signed short soundbuf[1024 * 2]; signed short soundbuf[1024 * 2];
@ -125,7 +125,6 @@ static void audio_callback(void *gb)
} }
} }
static void vblank1(GB_gameboy_t *gb) static void vblank1(GB_gameboy_t *gb)
{ {
vblank1_occurred = true; vblank1_occurred = true;
@ -140,119 +139,6 @@ static void vblank2(GB_gameboy_t *gb)
//audio_callback(gb); //audio_callback(gb);
} }
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
{
return r<<16|g<<8|b;
}
static retro_environment_t environ_cb;
void retro_init(void)
{
frame_buf = (uint32_t*)malloc(2 * VIDEO_PIXELS * sizeof(uint32_t));
const char *dir = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", dir);
else
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", ".");
if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir);
else
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", ".");
}
void retro_deinit(void)
{
free(frame_buf);
frame_buf = NULL;
}
unsigned retro_api_version(void)
{
return RETRO_API_VERSION;
}
void retro_set_controller_port_device(unsigned port, unsigned device)
{
log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
}
void retro_get_system_info(struct retro_system_info *info)
{
memset(info, 0, sizeof(*info));
info->library_name = "SameBoy";
#ifdef GIT_VERSION
info->library_version = SAMEBOY_CORE_VERSION GIT_VERSION;
#else
info->library_version = SAMEBOY_CORE_VERSION;
#endif
info->need_fullpath = true;
info->valid_extensions = "gb|gbc";
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
struct retro_game_geometry geom = { VIDEO_WIDTH, VIDEO_HEIGHT * 2, VIDEO_WIDTH, VIDEO_HEIGHT * 2 ,160.0 / 288.0 };
struct retro_system_timing timing = { FRAME_RATE, AUDIO_FREQUENCY };
info->geometry = geom;
info->timing = timing;
}
void retro_set_environment(retro_environment_t cb)
{
environ_cb = cb;
if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
log_cb = logging.log;
else
log_cb = fallback_log;
static const struct retro_controller_description controllers[] = {
{ "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
};
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ NULL, 0 },
};
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
}
void retro_set_audio_sample(retro_audio_sample_t cb)
{
}
void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
{
audio_batch_cb = cb;
}
void retro_set_input_poll(retro_input_poll_t cb)
{
input_poll_cb = cb;
}
void retro_set_input_state(retro_input_state_t cb)
{
input_state_cb = cb;
}
void retro_set_video_refresh(retro_video_refresh_t cb)
{
video_cb = cb;
}
void retro_reset(void)
{
for (int i = 0; i < emulated_devices; i++)
GB_reset(&gb[i]);
}
static uint8_t byte_to_send1 = 0xFF, byte_to_send2 = 0xFF; static uint8_t byte_to_send1 = 0xFF, byte_to_send2 = 0xFF;
static void serial_start1(GB_gameboy_t *gb, uint8_t byte_received) static void serial_start1(GB_gameboy_t *gb, uint8_t byte_received)
@ -279,6 +165,33 @@ static uint8_t serial_end2(GB_gameboy_t *gb)
return ret; return ret;
} }
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
{
return r<<16|g<<8|b;
}
static retro_environment_t environ_cb;
static const struct retro_variable vars[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ "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" },
{ "sameboy_model", "Emulated Model; Game Boy Color|Game Boy Advance|Game Boy" },
{ NULL }
};
static const struct retro_variable vars_link[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ "sameboy_model_1", "Emulated Model for GB #1; Game Boy Color|Game Boy Advance|Game Boy" },
{ "sameboy_model_2", "Emulated Model for GB #2; Game Boy Color|Game Boy Advance|Game Boy" },
{ "sameboy_color_correction_mode_1", "Color Correction for GB #1; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_color_correction_mode_2", "Color Correction for GB #2; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode_1", "High Pass Filter for GB #1; off|accurate|remove dc offset" },
{ "sameboy_high_pass_filter_mode_2", "High Pass Filter for GB #2; off|accurate|remove dc offset" },
{ NULL }
};
static void init_for_current_model(void) static void init_for_current_model(void)
{ {
enum model effective_model = model; enum model effective_model = model;
@ -307,12 +220,6 @@ static void init_for_current_model(void)
log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf); log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf);
if (GB_load_boot_rom(&gb[i], buf)) if (GB_load_boot_rom(&gb[i], buf))
GB_load_boot_rom_from_buffer(&gb[i], boot_code, boot_length); GB_load_boot_rom_from_buffer(&gb[i], boot_code, boot_length);
}
for (i = 0; i < emulated_devices; i++)
{
GB_set_user_data(&gb[i], (void*)NULL); GB_set_user_data(&gb[i], (void*)NULL);
GB_set_pixels_output(&gb[i],(unsigned int*)(frame_buf + i * VIDEO_PIXELS)); GB_set_pixels_output(&gb[i],(unsigned int*)(frame_buf + i * VIDEO_PIXELS));
GB_set_rgb_encode_callback(&gb[i], rgb_encode); GB_set_rgb_encode_callback(&gb[i], rgb_encode);
@ -321,11 +228,14 @@ static void init_for_current_model(void)
/* todo: attempt to make these more generic */ /* todo: attempt to make these more generic */
GB_set_vblank_callback(&gb[0], (GB_vblank_callback_t) vblank1); GB_set_vblank_callback(&gb[0], (GB_vblank_callback_t) vblank1);
GB_set_vblank_callback(&gb[1], (GB_vblank_callback_t) vblank2); if (emulated_devices == 2)
GB_set_serial_transfer_start_callback(&gb[0], serial_start1); {
GB_set_serial_transfer_end_callback(&gb[0], serial_end1); GB_set_vblank_callback(&gb[1], (GB_vblank_callback_t) vblank2);
GB_set_serial_transfer_start_callback(&gb[1], serial_start2); GB_set_serial_transfer_start_callback(&gb[0], serial_start1);
GB_set_serial_transfer_end_callback(&gb[1], serial_end2); GB_set_serial_transfer_end_callback(&gb[0], serial_end1);
GB_set_serial_transfer_start_callback(&gb[1], serial_start2);
GB_set_serial_transfer_end_callback(&gb[1], serial_end2);
}
struct retro_memory_descriptor descs[7]; struct retro_memory_descriptor descs[7];
size_t size; size_t size;
@ -382,25 +292,13 @@ static void check_variables(bool link)
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && GB_is_cgb(&gb[0])) if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && GB_is_cgb(&gb[0]))
{ {
if (strcmp(var.value, "off") == 0) if (strcmp(var.value, "off") == 0)
{
GB_set_color_correction_mode(&gb[0], GB_COLOR_CORRECTION_DISABLED); GB_set_color_correction_mode(&gb[0], GB_COLOR_CORRECTION_DISABLED);
GB_set_color_correction_mode(&gb[1], 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[0], GB_COLOR_CORRECTION_CORRECT_CURVES); GB_set_color_correction_mode(&gb[0], GB_COLOR_CORRECTION_CORRECT_CURVES);
GB_set_color_correction_mode(&gb[1], 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[0], GB_COLOR_CORRECTION_EMULATE_HARDWARE); GB_set_color_correction_mode(&gb[0], GB_COLOR_CORRECTION_EMULATE_HARDWARE);
GB_set_color_correction_mode(&gb[1], 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[0], GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS); GB_set_color_correction_mode(&gb[0], GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS);
GB_set_color_correction_mode(&gb[1], GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS);
}
} }
var.key = "sameboy_high_pass_filter_mode"; var.key = "sameboy_high_pass_filter_mode";
@ -408,20 +306,11 @@ static void check_variables(bool link)
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[0], GB_HIGHPASS_OFF); GB_set_highpass_filter_mode(&gb[0], GB_HIGHPASS_OFF);
GB_set_highpass_filter_mode(&gb[1], GB_HIGHPASS_OFF);
}
else if (strcmp(var.value, "accurate") == 0) else if (strcmp(var.value, "accurate") == 0)
{
GB_set_highpass_filter_mode(&gb[0], GB_HIGHPASS_ACCURATE); GB_set_highpass_filter_mode(&gb[0], GB_HIGHPASS_ACCURATE);
GB_set_highpass_filter_mode(&gb[1], 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[0], GB_HIGHPASS_REMOVE_DC_OFFSET); GB_set_highpass_filter_mode(&gb[0], GB_HIGHPASS_REMOVE_DC_OFFSET);
GB_set_highpass_filter_mode(&gb[1], GB_HIGHPASS_REMOVE_DC_OFFSET);
}
} }
var.key = "sameboy_model"; var.key = "sameboy_model";
@ -441,10 +330,6 @@ static void check_variables(bool link)
model[0] = new_model; model[0] = new_model;
init_for_current_model(); init_for_current_model();
} }
if (GB_is_inited(&gb[1]) && new_model != model[0]) {
model[0] = new_model;
init_for_current_model();
}
} }
} }
else else
@ -544,7 +429,7 @@ static void check_variables(bool link)
if (strcmp(var.value, "enabled") == 0) if (strcmp(var.value, "enabled") == 0)
emulated_devices = 2; emulated_devices = 2;
else else
emulated_devices = 2; emulated_devices = 1;
} }
var.key = "sameboy_link_layout"; var.key = "sameboy_link_layout";
@ -558,6 +443,115 @@ static void check_variables(bool link)
} }
} }
void retro_init(void)
{
frame_buf = (uint32_t*)malloc(2 * VIDEO_PIXELS * sizeof(uint32_t));
const char *dir = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", dir);
else
snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", ".");
if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir);
else
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", ".");
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars);
check_variables(emulated_devices == 2 ? true : false);
}
void retro_deinit(void)
{
free(frame_buf);
frame_buf = NULL;
}
unsigned retro_api_version(void)
{
return RETRO_API_VERSION;
}
void retro_set_controller_port_device(unsigned port, unsigned device)
{
log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
}
void retro_get_system_info(struct retro_system_info *info)
{
memset(info, 0, sizeof(*info));
info->library_name = "SameBoy";
#ifdef GIT_VERSION
info->library_version = SAMEBOY_CORE_VERSION GIT_VERSION;
#else
info->library_version = SAMEBOY_CORE_VERSION;
#endif
info->need_fullpath = true;
info->valid_extensions = "gb|gbc";
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
struct retro_game_geometry geom = { VIDEO_WIDTH, VIDEO_HEIGHT * 2, VIDEO_WIDTH, VIDEO_HEIGHT * 2 ,160.0 / 288.0 };
struct retro_system_timing timing = { FRAME_RATE, AUDIO_FREQUENCY };
info->geometry = geom;
info->timing = timing;
}
void retro_set_environment(retro_environment_t cb)
{
environ_cb = cb;
if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
log_cb = logging.log;
else
log_cb = fallback_log;
static const struct retro_controller_description controllers[] = {
{ "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
};
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ NULL, 0 },
};
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
}
void retro_set_audio_sample(retro_audio_sample_t cb)
{
}
void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
{
audio_batch_cb = cb;
}
void retro_set_input_poll(retro_input_poll_t cb)
{
input_poll_cb = cb;
}
void retro_set_input_state(retro_input_state_t cb)
{
input_state_cb = cb;
}
void retro_set_video_refresh(retro_video_refresh_t cb)
{
video_cb = cb;
}
void retro_reset(void)
{
for (int i = 0; i < emulated_devices; i++)
GB_reset(&gb[i]);
}
void retro_run(void) void retro_run(void)
{ {
bool updated = false; bool updated = false;
@ -570,39 +564,23 @@ void retro_run(void)
vblank1_occurred = vblank2_occurred = false; vblank1_occurred = vblank2_occurred = false;
signed delta = 0; signed delta = 0;
if (emulated_devices == 2)
{
while (!vblank1_occurred || !vblank2_occurred) { while (!vblank1_occurred || !vblank2_occurred) {
if (delta >= 0) { if (delta >= 0) {
delta -= GB_run(&gb[0]); delta -= GB_run(&gb[0]);
} }
else { else {
delta += GB_run(&gb[1]); delta += GB_run(&gb[1]);
}
} }
} }
else
GB_run_frame(&gb[0]);
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT * 2, VIDEO_WIDTH * sizeof(uint32_t)); video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT * 2, VIDEO_WIDTH * sizeof(uint32_t));
} }
static const struct retro_variable vars[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ "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" },
{ "sameboy_model", "Emulated Model; Game Boy Color|Game Boy Advance|Game Boy" },
{ NULL }
};
static const struct retro_variable vars_link[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ "sameboy_model_1", "Emulated Model for GB #1; Game Boy Color|Game Boy Advance|Game Boy" },
{ "sameboy_model_2", "Emulated Model for GB #2; Game Boy Color|Game Boy Advance|Game Boy" },
{ "sameboy_color_correction_mode_1", "Color Correction for GB #1; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_color_correction_mode_2", "Color Correction for GB #2; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode_1", "High Pass Filter for GB #1; off|accurate|remove dc offset" },
{ "sameboy_high_pass_filter_mode_2", "High Pass Filter for GB #2; off|accurate|remove dc offset" },
{ NULL }
};
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[] = {
@ -659,7 +637,6 @@ bool retro_load_game(const struct retro_game_info *info)
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars);
check_variables(emulated_devices == 2 ? true : false); check_variables(emulated_devices == 2 ? true : false);
return true; return true;
} }
@ -681,19 +658,23 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info *info,
size_t retro_serialize_size(void) size_t retro_serialize_size(void)
{ {
return 2 * GB_get_save_state_size(&gb[0]); size_t size = 0;
for (int i = 0; i < emulated_devices; i++)
size += GB_get_save_state_size(&gb[i]);
return size;
} }
bool retro_serialize(void *data, size_t size) bool retro_serialize(void *data, size_t size)
{ {
void* gb1_data = (uint8_t*)malloc(0.5 * size * sizeof(uint8_t)); void* save_data[2];
void* gb2_data = (uint8_t*)malloc(0.5 * size * sizeof(uint8_t)); for (int i = 0; i < emulated_devices; i++)
{
GB_save_state_to_buffer(&gb[0], (uint8_t*) gb1_data); save_data[i] = (uint8_t*)malloc(size * sizeof(uint8_t) / emulated_devices);
GB_save_state_to_buffer(&gb[1], (uint8_t*) gb2_data); GB_save_state_to_buffer(&gb[i], (uint8_t*) save_data[i]);
memcpy(data + (size * i / emulated_devices), save_data[i], size / emulated_devices);
memcpy(data, gb1_data, size / 2); free(save_data[i]);
memcpy(data + (size / 2), gb2_data, size / 2); }
if (data) if (data)
return true; return true;
@ -703,19 +684,22 @@ bool retro_serialize(void *data, size_t size)
bool retro_unserialize(const void *data, size_t size) bool retro_unserialize(const void *data, size_t size)
{ {
void* gb1_data = (uint8_t*)malloc(0.5 * size * sizeof(uint8_t)); void* save_data[2];
void* gb2_data = (uint8_t*)malloc(0.5 * size * sizeof(uint8_t)); int ret;
memcpy (gb1_data, data, size / 2); for (int i = 0; i < emulated_devices; i++)
memcpy (gb2_data, data + (size / 2), size / 2); {
save_data[i] = (uint8_t*)malloc(size * sizeof(uint8_t)/ emulated_devices);
memcpy (save_data[i], data + (size * i / emulated_devices), size / emulated_devices);
ret = GB_load_state_from_buffer(&gb[i], save_data[i], size / emulated_devices);
free(save_data[i]);
int ret1 = GB_load_state_from_buffer(&gb[0], gb1_data, size / 2); if (ret != 0)
int ret2 = GB_load_state_from_buffer(&gb[1], gb2_data, size / 2); return false;
}
return true;
if (ret1 == 0 && ret2 ==0)
return true;
else
return false;
} }
void *retro_get_memory_data(unsigned type) void *retro_get_memory_data(unsigned type)
@ -731,7 +715,7 @@ void *retro_get_memory_data(unsigned type)
{ {
data = gb[0].mbc_ram; data = gb[0].mbc_ram;
/* let's copy the save to gb[1] so it can save independently */ /* let's copy the save to gb[1] so it can save independently */
memcpy(gb[1].mbc_ram, gb[0].mbc_ram, gb[0].mbc_ram_size); //memcpy(gb[1].mbc_ram, gb[0].mbc_ram, gb[0].mbc_ram_size);
} }
else else
data = NULL; data = NULL;