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player/Project/Src/NES/mapper/002.cpp

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2025-06-27 00:32:57 +08:00
#include "nes_mapper.h"
// Mapper 2
void MAP2_Reset()
{
// // set CPU bank pointers
// set_CPU_banks(0,1,num_8k_ROM_banks-2,num_8k_ROM_banks-1);
}
void MAP2_MemoryWrite(uint16 addr, uint8 data)
{
data &= num_8k_ROM_banks-1;
set_CPU_banks(data*2,(data*2)+1,num_8k_ROM_banks-2,num_8k_ROM_banks-1);
}
void MAP2_Init()
{
NES_Mapper->Reset=MAP2_Reset;
NES_Mapper->Write=MAP2_MemoryWrite;
}