mirror of https://github.com/bsnes-emu/bsnes.git
63 lines
920 B
C++
63 lines
920 B
C++
#include <gb/gb.hpp>
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#define MEMORY_CPP
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namespace GameBoy {
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Unmapped unmapped;
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Bus bus;
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uint8_t& Memory::operator[](unsigned addr) {
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return data[addr];
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}
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void Memory::allocate(unsigned size_) {
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free();
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size = size_;
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data = new uint8_t[size]();
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}
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void Memory::copy(const uint8_t* data_, unsigned size_) {
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free();
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size = size_;
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data = new uint8_t[size];
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memcpy(data, data_, size);
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}
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void Memory::free() {
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if(data) {
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delete[] data;
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data = 0;
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}
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}
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Memory::Memory() {
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data = 0;
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size = 0;
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}
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Memory::~Memory() {
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free();
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}
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//
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uint8 Bus::read(uint16 addr) {
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uint8 data = mmio[addr]->mmio_read(addr);
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if(cheat.enable()) {
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if(auto result = cheat.find(addr, data)) return result();
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}
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return data;
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}
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void Bus::write(uint16 addr, uint8 data) {
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mmio[addr]->mmio_write(addr, data);
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}
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void Bus::power() {
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for(unsigned n = 0x0000; n <= 0xffff; n++) mmio[n] = &unmapped;
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}
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}
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