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sms, set to mark iii according to tmr info

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kub 2021-11-08 18:56:49 +01:00
parent a704c216ba
commit 6cba1ee700
1 changed files with 5 additions and 1 deletions
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6
pico/sms.c
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@ -508,6 +508,8 @@ void PicoResetMS(void)
} }
if (PicoIn.mapper) if (PicoIn.mapper)
Pico.ms.mapper = PicoIn.mapper; Pico.ms.mapper = PicoIn.mapper;
if (PicoIn.regionOverride & 1)
Pico.m.hardware |= 0x4;
// check if the ROM header contains more system information // check if the ROM header contains more system information
for (tmr = 0x2000; tmr < 0xbfff && tmr <= Pico.romsize; tmr *= 2) { for (tmr = 0x2000; tmr < 0xbfff && tmr <= Pico.romsize; tmr *= 2) {
@ -515,6 +517,8 @@ void PicoResetMS(void)
hw = Pico.rom[tmr-1] >> 4; hw = Pico.rom[tmr-1] >> 4;
if (hw >= 0x5 && hw < 0x8 && !PicoIn.hwSelect) if (hw >= 0x5 && hw < 0x8 && !PicoIn.hwSelect)
Pico.m.hardware |= 0x1; // GG cartridge detected Pico.m.hardware |= 0x1; // GG cartridge detected
if ((hw == 0x5 || hw == 0x3) && !PicoIn.regionOverride)
Pico.m.hardware |= 0x4; // Region Japan
id = CPU_LE4(*(u32 *)&Pico.rom[tmr-4]) & 0xf0f0ffff; id = CPU_LE4(*(u32 *)&Pico.rom[tmr-4]) & 0xf0f0ffff;
for (i = 0; i < sizeof(region_pal)/sizeof(*region_pal); i++) for (i = 0; i < sizeof(region_pal)/sizeof(*region_pal); i++)
@ -548,7 +552,7 @@ void PicoResetMS(void)
Pico.video.reg[10] = 0xff; Pico.video.reg[10] = 0xff;
// BIOS, clear zram (unitialized on Mark-III, cf src/mame/drivers/sms.cpp) // BIOS, clear zram (unitialized on Mark-III, cf src/mame/drivers/sms.cpp)
memset(PicoMem.zram, PicoIn.regionOverride&1 ? 0xf0:0, sizeof(PicoMem.zram)); memset(PicoMem.zram, Pico.m.hardware & 0x4 ? 0xf0:0, sizeof(PicoMem.zram));
} }
void PicoPowerMS(void) void PicoPowerMS(void)