36 lines
908 B
C
36 lines
908 B
C
//
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// Created by william on 10/15/23.
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//
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#include "memory.h"
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#include "ram.h"
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#include "../include/rom.h"
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byte mem_get_byte(Mapper *mapper, address addr) {
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address redirected_addr = mapper->redirect_addr(addr);
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if (redirected_addr < 0x0800) {
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return ram_get_byte(redirected_addr);
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} else if (redirected_addr >= 0x4020) {
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return rom_prg_get_byte(redirected_addr - 0x4020);
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}
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return 0;
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}
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word mem_get_word(Mapper *mapper, address addr) {
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address redirected_addr = mapper->redirect_addr(addr);
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if (redirected_addr < 0x0800) {
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return ram_get_word(redirected_addr);
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} else if (redirected_addr >= 0x4020) {
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return rom_prg_get_word(redirected_addr - 0x4020);
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}
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return 0;
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}
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void mem_set_byte(Mapper *mapper, address addr, byte byte) {
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address redirected_addr = mapper->redirect_addr(addr);
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ram_set_byte(redirected_addr, byte);
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} |