EightBit/inc/Memory.h
Adrian Conlon c292fb552e A whole bunch of consistency changes. No functional changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2017-11-03 22:05:01 +00:00

43 lines
892 B
C++

#pragma once
#include <cstdint>
#include <vector>
#include <string>
namespace EightBit {
class Memory {
public:
Memory(size_t size = 0)
: m_bytes(size) {
}
size_t size() const { return m_bytes.size(); }
int load(const std::string& path, int writeOffset = 0, int readOffset = 0, int limit = -1) {
const auto maximumSize = (int)m_bytes.size() - writeOffset;
return loadBinary(path, m_bytes, writeOffset, readOffset, limit, maximumSize);
}
protected:
std::vector<uint8_t>& BYTES() { return m_bytes; }
uint8_t read(uint16_t address) const {
return m_bytes[address];
}
void write(uint16_t address, uint8_t value) {
m_bytes[address] = value;
}
private:
std::vector<uint8_t> m_bytes;
static int loadBinary(
const std::string& path,
std::vector<uint8_t>& output,
int writeOffset,
int readOffset,
int limit,
int maximumSize);
};
}