bsnes/higan/sfc/memory/writable.hpp

40 lines
876 B
C++

struct WritableMemory : Memory {
inline auto reset() -> void override {
delete[] self.data;
self.data = nullptr;
self.size = 0;
}
inline auto allocate(uint size, uint8 fill = 0xff) -> void override {
delete[] self.data;
self.data = new uint8[self.size = size];
for(uint address : range(size)) self.data[address] = fill;
}
inline auto data() -> uint8* override {
return self.data;
}
inline auto size() const -> uint override {
return self.size;
}
inline auto read(uint24 address, uint8 data = 0) -> uint8 override {
return self.data[address];
}
inline auto write(uint24 address, uint8 data) -> void override {
self.data[address] = data;
}
inline auto operator[](uint24 address) -> uint8& {
return self.data[address];
}
private:
struct {
uint8* data = nullptr;
uint size = 0;
} self;
};