mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-01 11:49:58 +00:00
27 lines
582 B
C++
27 lines
582 B
C++
//
|
|
// CartridgeUnpaged.h
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 17/03/2017.
|
|
// Copyright 2017 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#pragma once
|
|
|
|
#include "Cartridge.hpp"
|
|
|
|
namespace Atari2600::Cartridge {
|
|
|
|
class Unpaged: public BusExtender {
|
|
public:
|
|
Unpaged(uint8_t *rom_base, std::size_t rom_size) : BusExtender(rom_base, rom_size) {}
|
|
|
|
void perform_bus_operation(CPU::MOS6502::BusOperation operation, uint16_t address, uint8_t *value) {
|
|
if(isReadOperation(operation) && (address & 0x1000)) {
|
|
*value = rom_base_[address & (rom_size_ - 1)];
|
|
}
|
|
}
|
|
};
|
|
|
|
}
|