bsnes/higan/ws/eeprom/eeprom.hpp

53 lines
954 B
C++

//93LC46 ( 64x16-bit) [ 128 bytes]
//93LC56 ( 128x16-bit) [ 256 bytes]
//93LC66 ( 256x16-bit) [ 512 bytes]
//93LC76 ( 512x16-bit) [1024 bytes]
//93LC86 (1024x16-bit) [2048 bytes]
struct EEPROM {
enum : uint {
DataLo,
DataHi,
AddressLo,
AddressHi,
Status,
Command = Status,
};
auto data() -> uint16*;
auto size() const -> uint;
auto setName(string name) -> void;
auto setSize(uint size) -> void;
auto erase() -> void;
auto power() -> void;
auto read(uint) -> uint8;
auto write(uint, uint8) -> void;
auto operator[](uint10 addr) -> uint16&;
//serialization.cpp
auto serialize(serializer&) -> void;
private:
auto execute() -> void;
uint16 _data[1024];
uint _size = 0; //in words
struct Registers {
uint16 latch;
uint16 address;
bool unknown;
bool writeRequested;
bool readRequested;
bool writeCompleted;
bool readCompleted;
bool writeProtect;
} r;
};