mirror of
https://github.com/TomHarte/CLK.git
synced 2024-07-07 08:28:57 +00:00
45 lines
773 B
C++
45 lines
773 B
C++
//
|
|
// Video.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 12/10/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef Video_hpp
|
|
#define Video_hpp
|
|
|
|
#include "../../Outputs/CRT/CRT.hpp"
|
|
|
|
namespace Oric {
|
|
|
|
class VideoOutput {
|
|
public:
|
|
VideoOutput(uint8_t *memory);
|
|
std::shared_ptr<Outputs::CRT::CRT> get_crt();
|
|
void run_for_cycles(int number_of_cycles);
|
|
|
|
private:
|
|
uint8_t *_ram;
|
|
std::shared_ptr<Outputs::CRT::CRT> _crt;
|
|
|
|
// Counters
|
|
int _counter, _frame_counter;
|
|
|
|
// Output state
|
|
enum State {
|
|
Blank, Sync, Pixels
|
|
} _state;
|
|
unsigned int _cycles_in_state;
|
|
uint8_t *_pixel_target;
|
|
|
|
// Registers
|
|
uint8_t _ink, _style, _paper;
|
|
int _character_set_base_address;
|
|
bool _is_graphics_mode;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* Video_hpp */
|