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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
//
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// Video.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 12/10/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef Machines_Oric_Video_hpp
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#define Machines_Oric_Video_hpp
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#include "../../Outputs/CRT/CRT.hpp"
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namespace Oric {
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class VideoOutput {
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public:
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VideoOutput(uint8_t *memory);
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std::shared_ptr<Outputs::CRT::CRT> get_crt();
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void run_for_cycles(int number_of_cycles);
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void set_colour_rom(const std::vector<uint8_t> &rom);
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private:
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uint8_t *ram_;
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std::shared_ptr<Outputs::CRT::CRT> crt_;
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// Counters and limits
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int counter_, frame_counter_;
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int v_sync_start_position_, v_sync_end_position_, counter_period_;
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// Output target
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uint16_t *pixel_target_;
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uint16_t colour_forms_[8];
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// Registers
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uint8_t ink_, paper_;
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int character_set_base_address_;
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inline void set_character_set_base_address();
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bool is_graphics_mode_;
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bool next_frame_is_sixty_hertz_;
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bool use_alternative_character_set_;
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bool use_double_height_characters_;
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bool blink_text_;
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uint8_t phase_;
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};
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}
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#endif /* Video_hpp */
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