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CLK/Machines/Oric/Video.hpp
2018-05-13 15:19:52 -04:00

54 lines
1.2 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"
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::CRT::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::CRT::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 */