50 lines
681 B
C++
50 lines
681 B
C++
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#include "nes_mapper.h"
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// Mapper 72 (Created by rinao)
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void MAP72_Reset()
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{
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// set CPU bank pointers
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// set_CPU_banks(0,1,num_8k_ROM_banks-2,num_8k_ROM_banks-1);
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// set PPU bank pointers
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if(num_1k_VROM_banks)
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{
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set_PPU_banks(0,1,2,3,4,5,6,7);
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}
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}
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void MAP72_MemoryWrite(uint16 addr, uint8 data)
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{
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uint8 bank = data & 0x0f;
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if (data & 0x80)
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{
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set_CPU_banks(bank*2, bank*2+1,num_8k_ROM_banks-2,num_8k_ROM_banks-1);
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}
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if (data & 0x40)
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{
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set_PPU_banks(bank*8, bank*8+1,bank*8+2,bank*8+3,bank*8+4,bank*8+5,bank*8+6,bank*8+7);
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}
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}
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void MAP72_Init()
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{
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NES_Mapper->Reset = MAP72_Reset;
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NES_Mapper->Write = MAP72_MemoryWrite;
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}
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