mirror of
https://github.com/TomHarte/CLK.git
synced 2024-07-10 12:29:01 +00:00
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
//
|
|
// DMAController.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 26/10/2019.
|
|
// Copyright © 2019 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef DMAController_hpp
|
|
#define DMAController_hpp
|
|
|
|
#include <cstdint>
|
|
#include <vector>
|
|
|
|
#include "../../ClockReceiver/ClockReceiver.hpp"
|
|
#include "../../Components/1770/1770.hpp"
|
|
|
|
namespace Atari {
|
|
namespace ST {
|
|
|
|
class DMAController {
|
|
public:
|
|
DMAController();
|
|
|
|
uint16_t read(int address);
|
|
void write(int address, uint16_t value);
|
|
void run_for(HalfCycles duration);
|
|
|
|
private:
|
|
HalfCycles running_time_;
|
|
struct WD1772: public WD::WD1770 {
|
|
WD1772(): WD::WD1770(WD::WD1770::P1772) {
|
|
drives_.emplace_back(new Storage::Disk::Drive(8000000, 300, 2));
|
|
drives_.emplace_back(new Storage::Disk::Drive(8000000, 300, 2));
|
|
set_drive(drives_[0]);
|
|
}
|
|
|
|
void set_motor_on(bool motor_on) final {
|
|
drives_[0]->set_motor_on(motor_on);
|
|
drives_[1]->set_motor_on(motor_on);
|
|
}
|
|
|
|
std::vector<std::shared_ptr<Storage::Disk::Drive>> drives_;
|
|
} fdc_;
|
|
|
|
uint16_t control_ = 0;
|
|
uint32_t address_ = 0;
|
|
uint16_t status_ = 0;
|
|
uint16_t sector_count_ = 0;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* DMAController_hpp */
|