mirror of https://github.com/bsnes-emu/bsnes.git
106 lines
3.7 KiB
C++
Executable File
106 lines
3.7 KiB
C++
Executable File
#ifndef NALL_GAMEBOY_CARTRIDGE_HPP
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#define NALL_GAMEBOY_CARTRIDGE_HPP
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namespace nall {
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class GameBoyCartridge {
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public:
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string xml;
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inline GameBoyCartridge(const uint8_t *data, unsigned size);
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//private:
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struct Information {
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string mapper;
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bool ram;
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bool battery;
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bool rtc;
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bool rumble;
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unsigned romsize;
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unsigned ramsize;
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} info;
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};
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GameBoyCartridge::GameBoyCartridge(const uint8_t *romdata, unsigned romsize) {
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xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
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if(romsize < 0x4000) return;
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info.mapper = "unknown";
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info.ram = false;
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info.battery = false;
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info.rtc = false;
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info.rumble = false;
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info.romsize = 0;
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info.ramsize = 0;
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switch(romdata[0x0147]) {
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case 0x00: info.mapper = "none"; break;
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case 0x01: info.mapper = "MBC1"; break;
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case 0x02: info.mapper = "MBC1"; info.ram = true; break;
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case 0x03: info.mapper = "MBC1"; info.ram = true; info.battery = true; break;
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case 0x05: info.mapper = "MBC2"; info.ram = true; break;
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case 0x06: info.mapper = "MBC2"; info.ram = true; info.battery = true; break;
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case 0x08: info.mapper = "none"; info.ram = true; break;
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case 0x09: info.mapper = "MBC0"; info.ram = true; info.battery = true; break;
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case 0x0b: info.mapper = "MMM01"; break;
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case 0x0c: info.mapper = "MMM01"; info.ram = true; break;
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case 0x0d: info.mapper = "MMM01"; info.ram = true; info.battery = true; break;
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case 0x0f: info.mapper = "MBC3"; info.rtc = true; info.battery = true; break;
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case 0x10: info.mapper = "MBC3"; info.rtc = true; info.ram = true; info.battery = true; break;
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case 0x11: info.mapper = "MBC3"; break;
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case 0x12: info.mapper = "MBC3"; info.ram = true; break;
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case 0x13: info.mapper = "MBC3"; info.ram = true; info.battery = true; break;
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case 0x19: info.mapper = "MBC5"; break;
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case 0x1a: info.mapper = "MBC5"; info.ram = true; break;
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case 0x1b: info.mapper = "MBC5"; info.ram = true; info.battery = true; break;
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case 0x1c: info.mapper = "MBC5"; info.rumble = true; break;
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case 0x1d: info.mapper = "MBC5"; info.rumble = true; info.ram = true; break;
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case 0x1e: info.mapper = "MBC5"; info.rumble = true; info.ram = true; info.battery = true; break;
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case 0xfc: break; //Pocket Camera
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case 0xfd: break; //Bandai TAMA5
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case 0xfe: info.mapper = "HuC3"; break;
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case 0xff: info.mapper = "HuC1"; info.ram = true; info.battery = true; break;
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}
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switch(romdata[0x0148]) { default:
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case 0x00: info.romsize = 2 * 16 * 1024; break;
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case 0x01: info.romsize = 4 * 16 * 1024; break;
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case 0x02: info.romsize = 8 * 16 * 1024; break;
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case 0x03: info.romsize = 16 * 16 * 1024; break;
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case 0x04: info.romsize = 32 * 16 * 1024; break;
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case 0x05: info.romsize = 64 * 16 * 1024; break;
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case 0x06: info.romsize = 128 * 16 * 1024; break;
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case 0x07: info.romsize = 256 * 16 * 1024; break;
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case 0x52: info.romsize = 72 * 16 * 1024; break;
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case 0x53: info.romsize = 80 * 16 * 1024; break;
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case 0x54: info.romsize = 96 * 16 * 1024; break;
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}
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switch(romdata[0x0149]) { default:
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case 0x00: info.ramsize = 0 * 1024; break;
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case 0x01: info.ramsize = 2 * 1024; break;
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case 0x02: info.ramsize = 8 * 1024; break;
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case 0x03: info.ramsize = 32 * 1024; break;
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}
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if(info.mapper == "MBC2") info.ramsize = 512; //512 x 4-bit
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xml << "<cartridge mapper='" << info.mapper << "'";
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if(info.rtc) xml << " rtc='true'";
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if(info.rumble) xml << " rumble='true'";
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xml << ">\n";
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xml << " <rom size='" << hex(romsize) << "'/>\n"; //TODO: trust/check info.romsize?
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if(info.ramsize > 0)
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xml << " <ram size='" << hex(info.ramsize) << "' battery='" << info.battery << "'/>\n";
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xml << "</cartridge>\n";
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xml.transform("'", "\"");
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}
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}
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#endif
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