admin/ci-libretro-fceumm
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Replaced mapper 436. The previous mapper 436 was a duplicate of 49.

Browse Source
This commit is contained in:
NewRisingSun
2025-04-05 21:13:59 +02:00
committed by LibretroAdmin
parent 7bc763e5ff
commit d362485d08
3 changed files with 30 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/boards/onebus.c
View File

@@ -323,6 +323,7 @@ static void UNLOneBusPower(void) {
memset(cpu410x, 0x00, sizeof(cpu410x));
memset(ppu201x, 0x00, sizeof(ppu201x));
memset(apu40xx, 0x00, sizeof(apu40xx));
cpu410x[0x0F] =0xFF;
cpu410x[0x1C] =submapper ==14? 0x40: 0x00;
SetupCartCHRMapping(0, PRGptr[0], PRGsize[0], 0);
@@ -354,6 +355,7 @@ static void UNLOneBusReset(void) {
memset(cpu410x, 0x00, sizeof(cpu410x));
memset(ppu201x, 0x00, sizeof(ppu201x));
memset(apu40xx, 0x00, sizeof(apu40xx));
cpu410x[0x0F] =0xFF;
cpu410x[0x1C] =submapper ==14? 0x40: 0x00;
reg4242 =0;
dipswitch ^=8;
@@ -430,3 +432,30 @@ void Mapper270_Init(CartInfo *info) {
Sync =Sync270;
}
static void Sync436(void) {
int AND =0xFFFF, OR =0;
switch(submapper) {
case 1: OR = cpu410x[0x1C] &0x01 && ~cpu410x[0x1C] &0x04? 0x0800: 0x0000;
PSync(0xF7FF, OR);
CSync(0xBFFF, OR <<3);
break;
default: PSync(0xF3FF, (cpu410x[0x0F] &0x20? 0x0400: 0x0000) | (cpu410x[0x00] &0x40? 0x0800: 0x0000));
CSync(0x9FFF, (cpu410x[0x0F] &0x20? 0x2000: 0x0000) | (cpu410x[0x00] &0x04? 0x4000: 0x0000));
break;
}
}
void Mapper436_Init(CartInfo *info) {
UNLOneBus_Init(info);
cpuMangle =cpuMangles[0];
ppuMangle =ppuMangles[0];
mmc3Mangle =mmc3Mangles[0];
CHRRAMSIZE = 8192;
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSIZE);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSIZE, 1);
AddExState(CHRRAM, CHRRAMSIZE, 0, "CHRR");
Sync =Sync436;
}