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libretro, add FM unit setting

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This commit is contained in:
kub 2021-10-26 23:36:38 +02:00
parent 1cdc3f8416
commit 6791d84741
2 changed files with 17 additions and 8 deletions
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12
platform/libretro/libretro.c
View file

@ -1474,6 +1474,15 @@ static void update_variables(bool first_run)
PicoIn.hwSelect = PHWS_SMS;
}
var.value = NULL;
var.key = "picodrive_smsfm";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "on") == 0)
PicoIn.opt |= POPT_EN_YM2413;
else
PicoIn.opt &= ~POPT_EN_YM2413;
}
OldPicoRegionOverride = PicoIn.regionOverride;
var.value = NULL;
var.key = "picodrive_region";
@ -1819,9 +1828,10 @@ void retro_init(void)
#endif
PicoIn.opt = POPT_EN_STEREO|POPT_EN_FM
| POPT_EN_PSG|POPT_EN_Z80|POPT_EN_YM2413|POPT_EN_GG_LCD
| POPT_EN_PSG|POPT_EN_Z80|POPT_EN_GG_LCD
| POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX
| POPT_EN_32X|POPT_EN_PWM
//|POPT_DIS_IDLE_DET
| POPT_ACC_SPRITES|POPT_DIS_32C_BORDER;
#ifdef __arm__
#ifdef _3DS

13
platform/libretro/libretro_core_options.h
View file

@ -85,16 +85,15 @@ struct retro_core_option_definition option_defs_us[] = {
"disabled"
},
{
"picodrive_smstype",
"Master System type",
"Choose which type of system the core should emulate for Master system",
"picodrive_smsfm",
"Master System FM sound unit",
"Enable the FM Sound Unit emulation. Some MS games produce much better sound, but non-Japanese titles might possibly not run.",
{
{ "Auto", NULL },
{ "Game Gear", NULL },
{ "Master System", NULL },
{ "off", NULL },
{ "on", NULL },
{ NULL, NULL },
},
"disabled"
"off"
},
{
"picodrive_region",