60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
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#include "Cartridge.hpp"
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#include "Bus.hpp"
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#include "Log.hpp"
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#include <fstream>
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#include "Mapper.hpp"
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#include "mappers/Mapper000.hpp"
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Cartridge::Cartridge(Bus* bus) :
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bus(bus)
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{
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}
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Cartridge::~Cartridge()
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{
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delete mapper;
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}
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Byte Cartridge::ReadCPU(Word addr)
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{
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return mapper->ReadCPU(addr);
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}
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Byte Cartridge::ReadPPU(Word addr)
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{
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return mapper->ReadPPU(addr);
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}
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void Cartridge::WriteCPU(Word addr, Byte val)
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{
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mapper->WriteCPU(addr, val);
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}
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void Cartridge::WritePPU(Word addr, Byte val)
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{
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mapper->WritePPU(addr, val);
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}
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void Cartridge::Load(std::string path)
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{
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std::ifstream file(path, std::ios::binary);
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if (!file)
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throw std::runtime_error("Failed to open file " + path);
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LOG_CORE_INFO("Extracting header");
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Header header;
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file.read((char*)&header, sizeof(Header));
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uint8_t mapperNumber = (header.MapperHi & 0xF0) | (header.MapperLo >> 4);
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LOG_CORE_INFO("Cartridge requires Mapper {0:d}", mapperNumber);
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switch (mapperNumber)
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{
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case 0: mapper = new Mapper000(header, file); break;
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default:
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throw std::runtime_error("Unsupported mapper ID " + std::to_string(mapperNumber));
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}
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}
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