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player/Project/Src/NES/mapper/246.cpp

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2025-06-27 00:32:57 +08:00
#ifdef _NES_MAPPER_CPP_
/////////////////////////////////////////////////////////////////////
// Mapper 246
void NES_mapper246::Reset()
{
// set CPU bank pointers
set_CPU_banks(0,1,num_8k_ROM_banks-2,num_8k_ROM_banks-1);
}
void NES_mapper246::MemoryWriteSaveRAM(uint32 addr, uint8 data)
{
switch(addr)
{
case 0x6000:
{
set_CPU_bank4(data);
}
break;
case 0x6001:
{
set_CPU_bank5(data);
}
break;
case 0x6002:
{
set_CPU_bank6(data);
}
break;
case 0x6003:
{
set_CPU_bank7(data);
}
break;
case 0x6004:
{
set_PPU_bank0(data*2+0);
set_PPU_bank1(data*2+1);
}
break;
case 0x6005:
{
set_PPU_bank2(data*2+0);
set_PPU_bank3(data*2+1);
}
break;
case 0x6006:
{
set_PPU_bank4(data*2+0);
set_PPU_bank5(data*2+1);
}
break;
case 0x6007:
{
set_PPU_bank6(data*2+0);
set_PPU_bank7(data*2+1);
}
break;
}
}
/////////////////////////////////////////////////////////////////////
#endif