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Add mapper 468

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This commit is contained in:
NewRisingSun
2022-12-30 23:56:50 +01:00
parent 5ca702053e
commit 07284ca4af
17 changed files with 1074 additions and 0 deletions
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25
src/boards/468_vrc1.h Normal file
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#define VRC1_reg regByte
static void VRC1_sync () {
setprg8(0x8000, VRC1_reg[0] &prgAND | prgOR &~prgAND);
setprg8(0xA000, VRC1_reg[2] &prgAND | prgOR &~prgAND);
setprg8(0xC000, VRC1_reg[4] &prgAND | prgOR &~prgAND);
setprg8(0xE000, 0xFF &prgAND | prgOR &~prgAND);
setchr4(0x0000, VRC1_reg[6] &0x0F | VRC1_reg[1] <<3 &0x10);
setchr4(0x1000, VRC1_reg[7] &0x0F | VRC1_reg[1] <<2 &0x10);
setmirror(VRC1_reg[1] &1? MI_H: MI_V);
}
static DECLFW(VRC1_writeReg) {
VRC1_reg[A >>12 &7] =V;
sync();
}
void VRC1_reset(uint8 clearRegs) {
sync =VRC1_sync;
prgAND =mapperFlags &8? (mapperFlags &4? (mapperFlags &2? 0x0F: 0x1F): 0x3F): 0x7F;
SetWriteHandler(0x8000, 0xFFFF, VRC1_writeReg);
sync();
}
#undef VRC1_reg