mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-26 23:52:26 +00:00
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
//
|
|
// Video.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 12/10/2016.
|
|
// Copyright 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef Machines_Oric_Video_hpp
|
|
#define Machines_Oric_Video_hpp
|
|
|
|
#include "../../Outputs/CRT/CRT.hpp"
|
|
#include "../../ClockReceiver/ClockReceiver.hpp"
|
|
|
|
#include <cstdint>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
namespace Oric {
|
|
|
|
class VideoOutput {
|
|
public:
|
|
VideoOutput(uint8_t *memory);
|
|
Outputs::CRT::CRT *get_crt();
|
|
void run_for(const Cycles cycles);
|
|
void set_colour_rom(const std::vector<uint8_t> &rom);
|
|
void set_video_signal(Outputs::Display::VideoSignal output_device);
|
|
|
|
private:
|
|
uint8_t *ram_;
|
|
std::unique_ptr<Outputs::CRT::CRT> crt_;
|
|
|
|
// Counters and limits
|
|
int counter_ = 0, frame_counter_ = 0;
|
|
int v_sync_start_position_, v_sync_end_position_, counter_period_;
|
|
|
|
// Output target and device
|
|
uint16_t *pixel_target_;
|
|
uint16_t colour_forms_[8];
|
|
Outputs::Display::VideoSignal video_signal_;
|
|
|
|
// Registers
|
|
uint8_t ink_, paper_;
|
|
|
|
int character_set_base_address_ = 0xb400;
|
|
inline void set_character_set_base_address();
|
|
|
|
bool is_graphics_mode_ = false;
|
|
bool next_frame_is_sixty_hertz_ = false;
|
|
bool use_alternative_character_set_;
|
|
bool use_double_height_characters_;
|
|
bool blink_text_;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* Video_hpp */
|