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(libretro) Implement region switch

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This commit is contained in:
Oggom 2015-03-23 17:46:02 +01:00
parent 0c65360da4
commit b38bccea12
1 changed files with 16 additions and 0 deletions
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16
platform/libretro/libretro.c
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@ -314,6 +314,7 @@ void retro_set_environment(retro_environment_t cb)
{ "picodrive_input2", "Input device 2; 3 button pad|6 button pad|None" },
{ "picodrive_sprlim", "No sprite limit; disabled|enabled" },
{ "picodrive_ramcart", "MegaCD RAM cart; disabled|enabled" },
{ "picodrive_region", "Region; Auto|Japan NTSC|Japan PAL|US|Europe" },
#ifdef DRC_SH2
{ "picodrive_drc", "Dynamic recompilers; enabled|disabled" },
#endif
@ -975,6 +976,21 @@ static void update_variables(void)
PicoOpt &= ~POPT_EN_MCD_RAMCART;
}
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;
}
#ifdef DRC_SH2
var.value = NULL;
var.key = "picodrive_drc";