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75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//
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// Keyboard.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 10/10/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "../../KeyboardMachine.hpp"
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#include "../../Utility/Typer.hpp"
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namespace Sinclair::ZX::Keyboard {
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enum class Machine {
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ZX80, ZX81, ZXSpectrum
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};
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enum Key: uint16_t {
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KeyShift = 0x0000 | 0x01, KeyZ = 0x0000 | 0x02, KeyX = 0x0000 | 0x04, KeyC = 0x0000 | 0x08, KeyV = 0x0000 | 0x10,
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KeyA = 0x0100 | 0x01, KeyS = 0x0100 | 0x02, KeyD = 0x0100 | 0x04, KeyF = 0x0100 | 0x08, KeyG = 0x0100 | 0x10,
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KeyQ = 0x0200 | 0x01, KeyW = 0x0200 | 0x02, KeyE = 0x0200 | 0x04, KeyR = 0x0200 | 0x08, KeyT = 0x0200 | 0x10,
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Key1 = 0x0300 | 0x01, Key2 = 0x0300 | 0x02, Key3 = 0x0300 | 0x04, Key4 = 0x0300 | 0x08, Key5 = 0x0300 | 0x10,
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Key0 = 0x0400 | 0x01, Key9 = 0x0400 | 0x02, Key8 = 0x0400 | 0x04, Key7 = 0x0400 | 0x08, Key6 = 0x0400 | 0x10,
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KeyP = 0x0500 | 0x01, KeyO = 0x0500 | 0x02, KeyI = 0x0500 | 0x04, KeyU = 0x0500 | 0x08, KeyY = 0x0500 | 0x10,
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KeyEnter = 0x0600 | 0x01, KeyL = 0x0600 | 0x02, KeyK = 0x0600 | 0x04, KeyJ = 0x0600 | 0x08, KeyH = 0x0600 | 0x10,
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KeySpace = 0x0700 | 0x01, KeyM = 0x0700 | 0x04, KeyN = 0x0700 | 0x08, KeyB = 0x0700 | 0x10,
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// The ZX80 and ZX81 keyboards have a full stop; the ZX Spectrum replaces that key with symbol shift.
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KeyDot = 0x0700 | 0x02, KeySymbolShift = KeyDot,
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// Add some virtual keys; these do not exist on a real ZX80, ZX81 or early Spectrum, those all were added to the 128kb Spectrums.
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// Either way, they're a convenience.
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KeyDelete = 0x0801,
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KeyBreak, KeyLeft, KeyRight, KeyUp, KeyDown, KeyEdit, KeySpectrumDot, KeyComma,
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};
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class Keyboard {
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public:
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Keyboard(Machine machine);
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void set_key_state(uint16_t key, bool is_pressed);
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void clear_all_keys();
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uint8_t read(uint16_t address);
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private:
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uint8_t key_states_[8];
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const Machine machine_;
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};
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class KeyboardMapper: public MachineTypes::MappedKeyboardMachine::KeyboardMapper {
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public:
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KeyboardMapper(Machine machine);
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uint16_t mapped_key_for_key(Inputs::Keyboard::Key key) const override;
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private:
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const Machine machine_;
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};
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class CharacterMapper: public ::Utility::CharacterMapper {
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public:
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CharacterMapper(Machine machine);
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const uint16_t *sequence_for_character(char character) const override;
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bool needs_pause_after_key(uint16_t key) const override;
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private:
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const Machine machine_;
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};
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}
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