void pemu_sound_start(void)
{
gp2x_soc_t soc;
emu_sound_start();
if (currentConfig.EmuOpt & EOPT_EN_SOUND)
{
soc = soc_detect();
if (soc == SOCID_POLLUX) {
PsndRate = pollux_get_real_snd_rate(PsndRate);
PsndRerate(Pico.m.frame_count ? 1 : 0);
}
plat_target_step_volume(¤tConfig.volume, 0);
}
}
bool retro_load_game(const struct retro_game_info *info)
{
enum media_type_e media_type;
static char carthw_path[256];
size_t i;
struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
struct retro_input_descriptor desc_sms[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" },
{ 0 },
};
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "RGB565 support required, sorry\n");
return false;
}
if (info == NULL || info->path == NULL) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "info->path required\n");
return false;
}
for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
if (disks[i].fname != NULL) {
free(disks[i].fname);
disks[i].fname = NULL;
}
}
disk_current_index = 0;
disk_count = 1;
disks[0].fname = strdup(info->path);
make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg");
media_type = PicoLoadMedia(info->path, carthw_path,
find_bios, NULL);
switch (media_type) {
case PM_BAD_DETECT:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Failed to detect ROM/CD image type.\n");
return false;
case PM_BAD_CD:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Invalid CD image\n");
return false;
case PM_BAD_CD_NO_BIOS:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Missing BIOS\n");
return false;
case PM_ERROR:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Load error\n");
return false;
default:
break;
}
if (media_type == PM_MARK3)
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc_sms);
else
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
PicoLoopPrepare();
PicoWriteSound = snd_write;
memset(sndBuffer, 0, sizeof(sndBuffer));
PsndOut = sndBuffer;
PsndRerate(0);
return true;
}
static void update_variables(void)
{
struct retro_variable var;
var.value = NULL;
var.key = "picodrive_input1";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
PicoSetInputDevice(0, input_name_to_val(var.value));
var.value = NULL;
var.key = "picodrive_input2";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
PicoSetInputDevice(1, input_name_to_val(var.value));
var.value = NULL;
var.key = "picodrive_sprlim";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "enabled") == 0)
PicoOpt |= POPT_DIS_SPRITE_LIM;
else
PicoOpt &= ~POPT_DIS_SPRITE_LIM;
}
var.value = NULL;
var.key = "picodrive_ramcart";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "enabled") == 0)
PicoOpt |= POPT_EN_MCD_RAMCART;
else
PicoOpt &= ~POPT_EN_MCD_RAMCART;
}
int OldPicoRegionOverride = PicoRegionOverride;
var.value = NULL;
var.key = "picodrive_region";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "Auto") == 0)
PicoRegionOverride = 0;
else if (strcmp(var.value, "Japan NTSC") == 0)
PicoRegionOverride = 1;
else if (strcmp(var.value, "Japan PAL") == 0)
PicoRegionOverride = 2;
else if (strcmp(var.value, "US") == 0)
PicoRegionOverride = 4;
else if (strcmp(var.value, "Europe") == 0)
PicoRegionOverride = 8;
}
int OldPicoRegionFPSOverride = PicoRegionFPSOverride;
var.value = NULL;
var.key = "picodrive_region_fps";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "Auto") == 0)
PicoRegionFPSOverride = 0;
else if (strcmp(var.value, "NTSC") == 0)
PicoRegionFPSOverride = 1;
else if (strcmp(var.value, "PAL") == 0)
PicoRegionFPSOverride = 2;
}
// Update region, fps and sound flags if needed
if (PicoRegionOverride != OldPicoRegionOverride ||
PicoRegionFPSOverride != OldPicoRegionFPSOverride)
{
PicoDetectRegion();
PicoLoopPrepare();
PsndRerate(1);
}
#ifdef DRC_SH2
var.value = NULL;
var.key = "picodrive_drc";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "enabled") == 0)
PicoOpt |= POPT_EN_DRC;
else
PicoOpt &= ~POPT_EN_DRC;
}
#endif
#ifdef _3DS
if(!ctr_svchack_successful)
PicoOpt &= ~POPT_EN_DRC;
#endif
}
