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85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
//
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// TIA.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 28/01/2017.
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// Copyright © 2017 Thomas Harte. All rights reserved.
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//
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#ifndef TIA_hpp
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#define TIA_hpp
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#include <cstdint>
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#include "../CRTMachine.hpp"
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namespace Atari2600 {
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class TIA {
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public:
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TIA();
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~TIA();
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enum class OutputMode {
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NTSC, PAL
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};
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void run_for_cycles(int number_of_cycles);
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void set_output_mode(OutputMode output_mode);
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void set_sync(bool sync);
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void set_blank(bool blank);
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void reset_horizontal_counter(); // Reset is delayed by four cycles.
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int get_cycles_until_horizontal_blank(unsigned int from_offset);
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void set_background_colour(uint8_t colour);
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void set_playfield(uint16_t offset, uint8_t value);
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void set_playfield_control_and_ball_size(uint8_t value);
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void set_playfield_ball_colour(uint8_t colour);
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void set_player_number_and_size(int player, uint8_t value);
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void set_player_graphic(int player, uint8_t value);
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void set_player_reflected(int player, bool reflected);
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void set_player_delay(int player, bool delay);
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void set_player_position(int player);
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void set_player_motion(int player, uint8_t motion);
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void set_player_missile_colour(int player, uint8_t colour);
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void set_missile_enable(int missile, bool enabled);
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void set_missile_position(int missile);
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void set_missile_position_to_player(int missile);
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void set_missile_motion(int missile, uint8_t motion);
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void set_ball_enable(bool enabled);
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void set_ball_delay(bool delay);
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void set_ball_position();
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void set_ball_motion(uint8_t motion);
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void move();
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void clear_motion();
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uint8_t get_collision_flags(int offset);
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void clear_collision_flags();
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virtual std::shared_ptr<Outputs::CRT::CRT> get_crt() { return crt_; }
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private:
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std::shared_ptr<Outputs::CRT::CRT> crt_;
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int horizontal_counter_;
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int output_cursor_;
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int output_mode_;
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uint8_t *pixel_target_;
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int pixel_target_origin_;
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void output_for_cycles(int number_of_cycles);
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void output_line();
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};
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}
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#endif /* TIA_hpp */
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