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127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
//
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// Oric.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 11/10/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef Oric_hpp
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#define Oric_hpp
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#include "../../Processors/6502/CPU6502.hpp"
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#include "../../Components/6522/6522.hpp"
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#include "../../Components/AY38910/AY38910.hpp"
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#include "../../Storage/Tape/Tape.hpp"
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#include "../ConfigurationTarget.hpp"
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#include "../CRTMachine.hpp"
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#include "../Typer.hpp"
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#include "Video.hpp"
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#include <cstdint>
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#include <vector>
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#include <memory>
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namespace Oric {
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enum Key: uint16_t {
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Key3 = 0x0000 | 0x80, KeyX = 0x0000 | 0x40, Key1 = 0x0000 | 0x20,
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KeyV = 0x0000 | 0x08, Key5 = 0x0000 | 0x04, KeyN = 0x0000 | 0x02, Key7 = 0x0000 | 0x01,
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KeyD = 0x0100 | 0x80, KeyQ = 0x0100 | 0x40, KeyEscape = 0x0100 | 0x20,
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KeyF = 0x0100 | 0x08, KeyR = 0x0100 | 0x04, KeyT = 0x0100 | 0x02, KeyJ = 0x0100 | 0x01,
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KeyC = 0x0200 | 0x80, Key2 = 0x0200 | 0x40, KeyZ = 0x0200 | 0x20, KeyControl = 0x0200 | 0x10,
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Key4 = 0x0200 | 0x08, KeyB = 0x0200 | 0x04, Key6 = 0x0200 | 0x02, KeyM = 0x0200 | 0x01,
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KeyQuote = 0x0300 | 0x80, KeyBackSlash = 0x0300 | 0x40,
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KeyMinus = 0x0300 | 0x08, KeySemiColon = 0x0300 | 0x04, Key9 = 0x0300 | 0x02, KeyK = 0x0300 | 0x01,
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KeyRight = 0x0400 | 0x80, KeyDown = 0x0400 | 0x40, KeyLeft = 0x0400 | 0x20, KeyLeftShift = 0x0400 | 0x10,
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KeyUp = 0x0400 | 0x08, KeyFullStop = 0x0400 | 0x04, KeyComma = 0x0400 | 0x02, KeySpace = 0x0400 | 0x01,
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KeyOpenSquare = 0x0500 | 0x80, KeyCloseSquare = 0x0500 | 0x40, KeyDelete = 0x0500 | 0x20, KeyFunction = 0x0500 | 0x10,
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KeyP = 0x0500 | 0x08, KeyO = 0x0500 | 0x04, KeyI = 0x0500 | 0x02, KeyU = 0x0500 | 0x01,
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KeyW = 0x0600 | 0x80, KeyS = 0x0600 | 0x40, KeyA = 0x0600 | 0x20,
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KeyE = 0x0600 | 0x08, KeyG = 0x0600 | 0x04, KeyH = 0x0600 | 0x02, KeyY = 0x0600 | 0x01,
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KeyEquals = 0x0700 | 0x80, KeyReturn = 0x0700 | 0x20, KeyRightShift = 0x0700 | 0x10,
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KeyForwardSlash = 0x0700 | 0x08, Key0 = 0x0700 | 0x04, KeyL = 0x0700 | 0x02, Key8 = 0x0700 | 0x01,
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KeyNMI = 0xffff,
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};
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class Machine:
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public CPU6502::Processor<Machine>,
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public CRTMachine::Machine,
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public ConfigurationTarget::Machine,
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public MOS::MOS6522IRQDelegate::Delegate,
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public Storage::Tape::BinaryTapePlayer::Delegate {
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public:
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Machine();
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void set_rom(std::vector<uint8_t> data);
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void set_key_state(Key key, bool isPressed);
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void clear_all_keys();
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// to satisfy ConfigurationTarget::Machine
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void configure_as_target(const StaticAnalyser::Target &target);
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// to satisfy CPU6502::Processor
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unsigned int perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value);
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void synchronise();
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// to satisfy CRTMachine::Machine
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virtual void setup_output(float aspect_ratio);
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virtual void close_output();
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virtual std::shared_ptr<Outputs::CRT::CRT> get_crt() { return _videoOutput->get_crt(); }
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virtual std::shared_ptr<Outputs::Speaker> get_speaker() { return _via.ay8910; }
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virtual void run_for_cycles(int number_of_cycles) { CPU6502::Processor<Machine>::run_for_cycles(number_of_cycles); }
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// to satisfy MOS::MOS6522IRQDelegate::Delegate
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void mos6522_did_change_interrupt_status(void *mos6522);
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// to satisfy Storage::Tape::BinaryTapePlayer::Delegate
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void tape_did_change_input(Storage::Tape::BinaryTapePlayer *tape_player);
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private:
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// RAM and ROM
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uint8_t _ram[65536], _rom[16384];
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int _cycles_since_video_update;
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inline void update_video();
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// Outputs
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std::unique_ptr<VideoOutput> _videoOutput;
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// Keyboard
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class Keyboard {
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public:
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uint8_t row;
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uint8_t rows[8];
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};
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// VIA (which owns the tape and the AY)
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class VIA: public MOS::MOS6522<VIA>, public MOS::MOS6522IRQDelegate {
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public:
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using MOS6522IRQDelegate::set_interrupt_status;
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void set_control_line_output(Port port, Line line, bool value);
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void set_port_output(Port port, uint8_t value, uint8_t direction_mask);
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uint8_t get_port_input(Port port);
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inline void run_for_half_cycles(unsigned int number_of_cycles);
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std::shared_ptr<GI::AY38910> ay8910;
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std::shared_ptr<Storage::Tape::BinaryTapePlayer> tape;
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std::shared_ptr<Keyboard> keyboard;
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void synchronise();
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private:
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void update_ay();
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bool _ay_bdir, _ay_bc1;
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unsigned int _half_cycles_since_ay_update;
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};
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VIA _via;
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std::shared_ptr<Keyboard> _keyboard;
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};
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}
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#endif /* Oric_hpp */
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