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

Remove mapper 171, add mapper 1 submappers 7 and 8.

Browse Source
This commit is contained in:
NewRisingSun
2025-11-28 12:08:57 +01:00
parent 4070514256
commit aabeaf1d03
3 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/boards/mmc1.c
View File

@@ -24,6 +24,7 @@
static void GenMMC1Power(void);
static void GenMMC1Init(CartInfo *info, int prg, int chr, int wram, int saveram);
static uint8 submapper;
static uint8 DRegs[4];
static uint8 Buffer, BufferShift;
@@ -42,7 +43,7 @@ static void (*MMC1WRAMHook8)(void);
static uint8 *WRAM = NULL;
static uint8 *CHRRAM = NULL;
static int is155, is171;
static int is155;
static uint32 MMC1GetCHRBank (uint32 bank) {
if (DRegs[0] & 0x10) /* 4 KiB mode */
@@ -66,6 +67,10 @@ static DECLFR(MAWRAM) {
return(Page[A >> 11][A]);
}
static DECLFR(SFEXPROM_readBank) {
return DRegs[3] <<3 &0x70;
}
static void MMC1CHR(void) {
if (MMC1WRAMHook8) /* Use custom wram hook, currently used for M543 */
MMC1WRAMHook8();
@@ -132,7 +137,7 @@ static void MMC1PRG(void) {
}
static void MMC1MIRROR(void) {
if (!is171)
if (submapper != 7)
switch (DRegs[0] & 3) {
case 2: setmirror(MI_V); break;
case 3: setmirror(MI_H); break;
@@ -297,7 +302,9 @@ static void GenMMC1Power(void) {
SetReadHandler(0x6000, 0x7FFF, MAWRAM);
SetWriteHandler(0x6000, 0x7FFF, MBWRAM);
setprg8r(0x10, 0x6000, 0);
}
} else
if (submapper == 8)
SetReadHandler(0x6000, 0x6FFF, SFEXPROM_readBank);
MMC1CMReset();
}
@@ -311,6 +318,7 @@ static void GenMMC1Close(void) {
}
static void GenMMC1Init(CartInfo *info, int prg, int chr, int wram, int saveram) {
submapper = info->submapper;
is155 = 0;
info->Close = GenMMC1Close;
@@ -357,13 +365,6 @@ void Mapper155_Init(CartInfo *info) {
is155 = 1;
}
/* Same as mapper 1, with different (or without) mirroring control. */
/* Kaiser KS7058 board, KS203 custom chip */
void Mapper171_Init(CartInfo *info) {
GenMMC1Init(info, 32, 32, 0, 0);
is171 = 1;
}
void SAROM_Init(CartInfo *info) {
GenMMC1Init(info, 128, 64, 8, info->battery ? 8 : 0);
}

2
src/ines.c
View File

@@ -624,7 +624,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "", 168, Mapper168_Init )
/* INES_BOARD( "", 169, Mapper169_Init ) */
INES_BOARD( "", 170, Mapper170_Init )
INES_BOARD( "", 171, Mapper171_Init )
/* INES_BOARD( "", 171, Mapper171_Init )*/
INES_BOARD( "Super Mega P-4070", 172, Mapper172_Init )
INES_BOARD( "Idea-Tek ET.xx", 173, Mapper173_Init )
INES_BOARD( "", 174, Mapper174_Init )

1
src/ines.h
View File

@@ -177,7 +177,6 @@ void Mapper166_Init(CartInfo *);
void Mapper167_Init(CartInfo *);
void Mapper168_Init(CartInfo *);
void Mapper170_Init(CartInfo *);
void Mapper171_Init(CartInfo *);
void Mapper172_Init(CartInfo *);
void Mapper173_Init(CartInfo *);
void Mapper174_Init(CartInfo *);