mapper.h


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#include "mapper_0042.h"


struct mapper_entry {
	int		id;
	uint8_t	(*prg_read)(struct nes_state *state, uint32_t addr);
	void		(*prg_write)(struct nes_state *state, uint32_t addr, uint8_t value);
	uint8_t	(*chr_read)(struct nes_state *state, uint32_t addr);
	void		(*chr_write)(struct nes_state *state, uint32_t addr, uint8_t value);
	uint8_t	(*ciram_read)(struct nes_state *state, uint32_t addr);
	void		(*ciram_write)(struct nes_state *state, uint32_t addr, uint8_t value);
	void		(*tick)(struct nes_state *state);
	void		(*init)(struct nes_state *state);
};

union mapper_data {
	struct mapper_0042 m0042;
};