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Add mapper 47 submapper 1

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NewRisingSun
2025-03-30 23:39:57 +02:00
committed by LibretroAdmin
parent 26f92531a9
commit 56d5eec432
4 changed files with 247 additions and 3 deletions
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11
src/boards/mmc3.c
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@@ -39,6 +39,7 @@ uint8 mmc3opts = 0;
static uint8 IRQCount, IRQLatch, IRQa;
static uint8 IRQReload;
static uint8 submapper;
static SFORMAT MMC3_StateRegs[] =
{
@@ -567,9 +568,12 @@ static void M47CW(uint32 A, uint8 V) {
}
static DECLFW(M47Write) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
if (submapper == 0 | ~EXPREGS[0] &0x80) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
CartBW(A, V);
}
static void M47Reset(void) {
@@ -589,6 +593,7 @@ void Mapper47_Init(CartInfo *info) {
GenMMC3_Init(info, 512, 256, 8, 0);
pwrap = M47PW;
cwrap = M47CW;
submapper = info->submapper;
info->Reset = M47Reset;
info->Power = M47Power;
AddExState(EXPREGS, 1, 0, "EXPR");