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122 lines
2.6 KiB
C++
122 lines
2.6 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 29/07/2021.
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// Copyright © 2021 Thomas Harte. All rights reserved.
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//
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#ifndef Machines_Amiga_Keyboard_hpp
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#define Machines_Amiga_Keyboard_hpp
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#include <array>
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#include <cstdint>
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#include "../KeyboardMachine.hpp"
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#include "../../Components/Serial/Line.hpp"
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#include "../../ClockReceiver/ClockReceiver.hpp"
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namespace Amiga {
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enum class Key: uint16_t {
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Escape = 0x45,
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Delete = 0x46,
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F1 = 0x50, F2 = 0x51, F3 = 0x52, F4 = 0x53, F5 = 0x54,
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F6 = 0x55, F7 = 0x56, F8 = 0x57, F9 = 0x58, F10 = 0x59,
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Tilde = 0x00,
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k1 = 0x01, k2 = 0x02, k3 = 0x03, k4 = 0x04, k5 = 0x05,
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k6 = 0x06, k7 = 0x07, k8 = 0x08, k9 = 0x09, k0 = 0x0a,
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Hyphen = 0x0b,
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Equals = 0x0c,
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Backslash = 0x0d,
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Backspace = 0x41,
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Tab = 0x42,
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Control = 0x63,
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CapsLock = 0x62,
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LeftShift = 0x60,
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RightShift = 0x61,
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Q = 0x10, W = 0x11, E = 0x12, R = 0x13, T = 0x14,
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Y = 0x15, U = 0x16, I = 0x17, O = 0x18, P = 0x19,
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A = 0x20, S = 0x21, D = 0x22, F = 0x23, G = 0x24,
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H = 0x25, J = 0x26, K = 0x27, L = 0x28, Z = 0x31,
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X = 0x32, C = 0x33, V = 0x34, B = 0x35, N = 0x36,
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M = 0x37,
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OpenSquareBracket = 0x1a,
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CloseSquareBracket = 0x1b,
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Help = 0x5f,
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Return = 0x44,
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Semicolon = 0x29,
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Quote = 0x2a,
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Comma = 0x38,
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FullStop = 0x39,
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ForwardSlash = 0x3a,
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Alt = 0x64,
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LeftAmiga = 0x66,
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RightAmiga = 0x67,
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Space = 0x40,
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Up = 0x4c, Left = 0x4f, Right = 0x4e, Down = 0x4d,
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Keypad7 = 0x3d, Keypad8 = 0x3e, Keypad9 = 0x3f,
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Keypad4 = 0x2d, Keypad5 = 0x2e, Keypad6 = 0x2f,
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Keypad1 = 0x1d, Keypad2 = 0x1e, Keypad3 = 0x1f,
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Keypad0 = 0x0f, KeypadDecimalPoint = 0x3c,
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KeypadMinus = 0x4a, KeypadEnter = 0x43,
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KeypadOpenBracket = 0x5a,
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KeypadCloseBracket = 0x5b,
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KeypadDivide = 0x5c,
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KeypadMultiply = 0x5d,
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KeypadPlus = 0x5e,
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};
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struct KeyboardMapper: public MachineTypes::MappedKeyboardMachine::KeyboardMapper {
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uint16_t mapped_key_for_key(Inputs::Keyboard::Key key) const final;
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};
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class Keyboard {
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public:
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Keyboard(Serial::Line<true> &output);
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// enum Lines: uint8_t {
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// Data = (1 << 0),
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// Clock = (1 << 1),
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// };
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//
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// uint8_t update(uint8_t);
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void set_key_state(uint16_t, bool);
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void clear_all_keys();
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void run_for(HalfCycles duration) {
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output_.advance_writer(duration);
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}
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private:
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enum class ShiftState {
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Shifting,
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AwaitingHandshake,
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Idle,
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} shift_state_ = ShiftState::Idle;
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enum class State {
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Startup,
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} state_ = State::Startup;
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int bit_phase_ = 0;
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uint32_t shift_sequence_ = 0;
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int bits_remaining_ = 0;
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uint8_t lines_ = 0;
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Serial::Line<true> &output_;
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std::array<bool, 128> pressed_{};
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};
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}
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#endif /* Machines_Amiga_Keyboard_hpp */
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