Created
December 25, 2014 00:52
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| /* Read cartridge operation for MBC1 */ | |
| inline uint8_t mbc1_read(uint16_t addr) { | |
| if (addr < 0x4000) { | |
| /* 16KB ROM bank 00 */ | |
| if (no_show_logo) { | |
| /* Custom logo disabled */ | |
| return rom_gb[addr]; | |
| } else { | |
| /* Custom logo enabled, only during first read at boot */ | |
| if (addr == 0x133) { | |
| no_show_logo = 1; | |
| } | |
| return logo_bin[addr - 0x104]; | |
| } | |
| } else if (addr < 0x8000) { | |
| /* 16KB ROM Bank 01-7F */ | |
| return rom_gb[addr + 0x4000 * (rom_bank - 1)]; | |
| } else if (addr >= 0xA000 && addr < 0xC000) { | |
| /* 8KB RAM Bank 00-03, if any */ | |
| return ram[addr - 0xA000 + 0x2000 * ram_bank]; | |
| } | |
| return 0x00; | |
| } |
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