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sms, autodetect for 50Hz

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This commit is contained in:
kub 2021-11-02 22:44:40 +01:00
parent f90bf8cdcf
commit afdc2ed454
1 changed files with 19 additions and 1 deletions
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20
pico/sms.c
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@ -482,10 +482,21 @@ static void xwrite(unsigned int a, unsigned char d)
}
}
// TMR product codes and hardware type for know 50Hz-only games */
static u32 region_pal[] = { // cf. GX+, core/cart_hw/sms_cartc.c
0x40207067 /* Addams Family */, 0x40207020 /* Back.Future 3 */,
0x40207058 /* Battlemaniacs */, 0x40007105 /* Cal.Games 2 */,
0x40207065 /* Dracula */ , 0x40007109 /* Home Alone */,
0x40009024 /* Pwr.Strike 2 */ , 0x40207047 /* Predator 2 EU */,
0x40002519 /* Quest.Yak */ , 0x40207064 /* Robocop 3 */,
0x40205014 /* Sens.Soccer */ , 0x40002573 /* Sonic Blast */,
0x40007080 /* S.Harrier EU */ , 0x40007038 /* Taito Chase */,
};
void PicoResetMS(void)
{
unsigned tmr;
int hw;
int id, hw, i;
// set preselected hw/mapper from config
if (PicoIn.hwSelect) {
@ -503,6 +514,13 @@ void PicoResetMS(void)
hw = Pico.rom[tmr-1] >> 4;
if (hw >= 0x5 && hw < 0x8 && !PicoIn.hwSelect)
Pico.m.hardware |= 0x1; // GG cartridge detected
id = CPU_LE4(*(u32 *)&Pico.rom[tmr-4]) & 0xf0f0ffff;
for (i = 0; i < sizeof(region_pal)/sizeof(*region_pal); i++)
if (id == region_pal[i] && !PicoIn.regionOverride) {
Pico.m.pal = 1; // requires 50Hz timing
break;
}
break;
}
}