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71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
//
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// ZX8081.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 04/06/2017.
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// Copyright © 2017 Thomas Harte. All rights reserved.
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//
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#ifndef ZX8081_hpp
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#define ZX8081_hpp
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#include "../ConfigurationTarget.hpp"
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#include "../CRTMachine.hpp"
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#include "../../Processors/Z80/Z80.hpp"
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#include <cstdint>
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#include <vector>
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namespace ZX8081 {
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enum ROMType: uint8_t {
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ZX80, ZX81
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};
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class Machine:
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public CPU::Z80::Processor<Machine>,
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public CRTMachine::Machine,
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public ConfigurationTarget::Machine {
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public:
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Machine();
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int perform_machine_cycle(const CPU::Z80::MachineCycle &cycle);
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void flush();
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void setup_output(float aspect_ratio);
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void close_output();
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std::shared_ptr<Outputs::CRT::CRT> get_crt();
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std::shared_ptr<Outputs::Speaker> get_speaker();
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void run_for_cycles(int number_of_cycles);
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void configure_as_target(const StaticAnalyser::Target &target);
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void set_rom(ROMType type, std::vector<uint8_t> data);
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private:
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std::shared_ptr<Outputs::CRT::CRT> crt_;
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std::vector<uint8_t> zx81_rom_, zx80_rom_, rom_;
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std::vector<uint8_t> ram_;
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bool vsync_, hsync_;
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bool is_sync_;
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uint8_t *line_data_, *line_data_pointer_;
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int line_counter_;
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unsigned int cycles_since_display_update_;
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void update_display();
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void set_vsync(bool sync);
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void set_hsync(bool sync);
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void update_sync();
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void output_level(unsigned int number_of_cycles);
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void output_byte(uint8_t byte);
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void output_data();
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};
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}
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#endif /* ZX8081_hpp */
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