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Mapper 256: Add reset-based menu selection for Power Racer.

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NewRisingSun
2025-09-12 11:32:19 +02:00
parent c7960e9e0c
commit bab8e3fd12
1 changed files with 6 additions and 4 deletions
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10
src/boards/onebus.c
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@@ -289,12 +289,14 @@ static DECLFR(UNLOneBusReadAPU40XX) {
result = (result & 0x7f) | pcm_irq; result = (result & 0x7f) | pcm_irq;
} }
break; break;
case 0x17:
if (cpu410x[0x0B] == 0x14) result = result &~0x04 | (dipswitch &1? 0x04: 0x00); /* Super Joy III pad */
} }
return result; return result;
} }
static DECLFR(readDIP) { static DECLFR(readDIP_FamilyPocket) {
return dipswitch; return dipswitch &1? 8: 0;
} }
static void UNLOneBusCpuHook(int a) { static void UNLOneBusCpuHook(int a) {
@@ -337,7 +339,7 @@ static void UNLOneBusPower(void) {
SetReadHandler(0x4000, 0x403f, UNLOneBusReadAPU40XX); SetReadHandler(0x4000, 0x403f, UNLOneBusReadAPU40XX);
SetWriteHandler(0x4000, 0x403f, UNLOneBusWriteAPU40XX); SetWriteHandler(0x4000, 0x403f, UNLOneBusWriteAPU40XX);
SetReadHandler(0x412C, 0x412C, readDIP); SetReadHandler(0x412C, 0x412C, readDIP_FamilyPocket);
SetReadHandler(0x6000, 0xFFFF, CartBR); SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW); SetWriteHandler(0x6000, 0x7FFF, CartBW);
SetWriteHandler(0x2010, 0x201f, UNLOneBusWritePPU201X); SetWriteHandler(0x2010, 0x201f, UNLOneBusWritePPU201X);
@@ -360,7 +362,7 @@ static void UNLOneBusReset(void) {
cpu410x[0x0F] =0xFF; cpu410x[0x0F] =0xFF;
cpu410x[0x1C] =submapper ==12 || submapper ==14? 0x40: 0x00; cpu410x[0x1C] =submapper ==12 || submapper ==14? 0x40: 0x00;
reg4242 =0; reg4242 =0;
dipswitch ^=8; dipswitch++;
Sync(); Sync();
} }