EightBit/inc/Rom.h

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1.3 KiB
C
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#pragma once
#include <cstdint>
#include <vector>
#include <string>
#include <fstream>
#include "Memory.h"
namespace EightBit {
// ROM is a basic implementation of the Memory interface.
// Nothing over and above the interface is exposed to users
// of the ROM class.
class Rom : public Memory {
private:
std::vector<uint8_t> m_bytes;
protected:
[[nodiscard]] const auto& BYTES() const noexcept { return m_bytes; }
[[nodiscard]] auto& BYTES() noexcept { return m_bytes; }
void poke(uint16_t address, uint8_t value) override;
public:
static int load(std::ifstream& file, std::vector<uint8_t>& output, int writeOffset = 0, int readOffset = 0, int limit = -1, int maximumSize = -1);
static int load(const std::string& path, std::vector<uint8_t>& output, int writeOffset = 0, int readOffset = 0, int limit = -1, int maximumSize = -1);
Rom(size_t size = 0);
[[nodiscard]] size_t size() const final;
int load(std::ifstream& file, int writeOffset = 0, int readOffset = 0, int limit = -1) final;
int load(const 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;
[[nodiscard]] uint8_t peek(uint16_t address) const final;
};
}