32 lines
940 B
C++
32 lines
940 B
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <fstream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "Memory.h"
|
|
|
|
namespace EightBit {
|
|
// A read-only Memory implementation that has a fixed size and will
|
|
// *always* returns the same value, from whichever location
|
|
// is being read.
|
|
class UnusedMemory final : public Memory {
|
|
public:
|
|
UnusedMemory(uint16_t size, uint8_t value) noexcept;
|
|
|
|
[[nodiscard]] uint16_t size() const noexcept final;
|
|
[[nodiscard]] uint8_t peek(uint16_t address) const noexcept final;
|
|
|
|
int load(std::ifstream& file, int writeOffset = 0, int readOffset = 0, int limit = -1) final;
|
|
int load(std::string path, int writeOffset = 0, int readOffset = 0, int limit = -1) final;
|
|
int load(const std::vector<uint8_t>& bytes, int writeOffset = 0, int readOffset = 0, int limit = -1) final;
|
|
|
|
protected:
|
|
void poke(uint16_t address, uint8_t value) noexcept final;
|
|
|
|
private:
|
|
uint16_t m_size;
|
|
uint8_t m_value;
|
|
};
|
|
} |