50 lines
884 B
C
50 lines
884 B
C
#ifndef _CARTRIDGE_H_
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#define _CARTRIDGE_H_
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#include "types.h"
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struct Bus;
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struct Cartridge
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{
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struct
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{
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Byte nestext[4];
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Byte prg_rom_size;
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Byte chr_rom_size;
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struct
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{
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Byte mirror : 1;
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Byte battery : 1;
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Byte trainer : 1;
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Byte ignore_mirror : 1;
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Byte mapper_lower_nibble : 4;
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} Flags6;
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struct
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{
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Byte vs : 1;
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Byte playchoice : 1;
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Byte nes20 : 2;
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Byte mapper_upper_nibble : 4;
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} Flags7;
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Byte prg_ram_size;
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Byte unused[7];
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} header;
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Byte* prg_rom;
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Byte* chr_rom;
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struct Bus* bus;
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};
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struct Cartridge* createCartridge(struct Bus* parent, const char* filepath);
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void destroyCartridge(struct Cartridge* cartridge);
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// readCartridge/writeCartridge to and from the cartridge
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Byte readCartridge(struct Cartridge* cartridge, Word addr);
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void writeCartridge(struct Cartridge* cartridge, Word addr, Byte val);
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#endif //_CARTRIDGE_H_
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