import { byte, DeepMemberOf, KnownKeys } from '../types'; import Apple2IO from '../apple2io'; import CPU6502 from '../cpu6502'; import { debug, toHex } from '../util'; // keycode: [plain, cntl, shift] const keymap = { // Most of these won't happen 0x00: [0x00, 0x00, 0x00], // 0x01: [0x01, 0x01, 0x01], // 0x02: [0x02, 0x02, 0x02], // 0x03: [0x03, 0x03, 0x03], // 0x04: [0x04, 0x04, 0x04], // 0x05: [0x05, 0x05, 0x05], // 0x06: [0x06, 0x06, 0x06], // 0x07: [0x07, 0x07, 0x07], // 0x08: [0x7F, 0x7F, 0x7F], // BS/DELETE 0x09: [0x09, 0x09, 0x09], // TAB 0x0A: [0x0A, 0x0A, 0x0A], // 0x0B: [0x0B, 0x0B, 0x0B], // 0x0C: [0x0C, 0x0C, 0x0C], // 0x0D: [0x0D, 0x0D, 0x0D], // CR 0x0E: [0x0E, 0x0E, 0x0E], // 0x0F: [0x0F, 0x0F, 0x0F], // 0x10: [0xff, 0xff, 0xff], // SHIFT 0x11: [0xff, 0xff, 0xff], // CTRL 0x12: [0xff, 0xff, 0xff], // ALT/OPTION 0x13: [0x13, 0x13, 0x13], // 0x14: [0x14, 0x14, 0x14], // 0x15: [0x15, 0x15, 0x15], // 0x16: [0x16, 0x16, 0x16], // 0x17: [0x17, 0x17, 0x18], // 0x18: [0x18, 0x18, 0x18], // 0x19: [0x19, 0x19, 0x19], // 0x1A: [0x1A, 0x1A, 0x1A], // 0x1B: [0x1B, 0x1B, 0x1B], // ESC 0x1C: [0x1C, 0x1C, 0x1C], // 0x1D: [0x1D, 0x1D, 0x1D], // 0x1E: [0x1E, 0x1E, 0x1E], // 0x1F: [0x1F, 0x1F, 0x1F], // // Most of these besides space won't happen 0x20: [0x20, 0x20, 0x20], // 0x21: [0x21, 0x21, 0x21], // 0x22: [0x22, 0x22, 0x22], // 0x23: [0x23, 0x23, 0x23], // 0x24: [0x24, 0x24, 0x24], // 0x25: [0x08, 0x08, 0x08], // <- left 0x26: [0x0B, 0x0B, 0x0B], // ^ up 0x27: [0x15, 0x15, 0x15], // -> right 0x28: [0x0A, 0x0A, 0x0A], // v down 0x29: [0x29, 0x29, 0x29], // ) 0x2A: [0x2A, 0x2A, 0x2A], // * 0x2B: [0x2B, 0x2B, 0x2B], // + 0x2C: [0x2C, 0x2C, 0x3C], // , - < 0x2D: [0x2D, 0x2D, 0x5F], // - - _ 0x2E: [0x2E, 0x2E, 0x3E], // . - > 0x2F: [0x2F, 0x2F, 0x3F], // / - ? 0x30: [0x30, 0x30, 0x29], // 0 - ) 0x31: [0x31, 0x31, 0x21], // 1 - ! 0x32: [0x32, 0x00, 0x40], // 2 - @ 0x33: [0x33, 0x33, 0x23], // 3 - # 0x34: [0x34, 0x34, 0x24], // 4 - $ 0x35: [0x35, 0x35, 0x25], // 5 - % 0x36: [0x36, 0x36, 0x5E], // 6 - ^ 0x37: [0x37, 0x37, 0x26], // 7 - & 0x38: [0x38, 0x38, 0x2A], // 8 - * 0x39: [0x39, 0x39, 0x28], // 9 - ( 0x3A: [0x3A, 0x3A, 0x3A], // : 0x3B: [0x3B, 0x3B, 0x3A], // ; - : 0x3C: [0x3C, 0x3C, 0x3C], // < 0x3D: [0x3D, 0x3D, 0x2B], // = - + 0x3E: [0x3E, 0x3E, 0x3E], // > 0x3F: [0x3F, 0x3F, 0x3F], // ? // Alpha and control 0x40: [0x40, 0x00, 0x40], // @ 0x41: [0x61, 0x01, 0x41], // A 0x42: [0x62, 0x02, 0x42], // B 0x43: [0x63, 0x03, 0x43], // C - BRK 0x44: [0x64, 0x04, 0x44], // D 0x45: [0x65, 0x05, 0x45], // E 0x46: [0x66, 0x06, 0x46], // F 0x47: [0x67, 0x07, 0x47], // G - BELL 0x48: [0x68, 0x08, 0x48], // H 0x49: [0x69, 0x09, 0x49], // I - TAB 0x4A: [0x6A, 0x0A, 0x4A], // J - NL 0x4B: [0x6B, 0x0B, 0x4B], // K - VT 0x4C: [0x6C, 0x0C, 0x4C], // L 0x4D: [0x6D, 0x0D, 0x4D], // M - CR 0x4E: [0x6E, 0x0E, 0x4E], // N 0x4F: [0x6F, 0x0F, 0x4F], // O 0x50: [0x70, 0x10, 0x50], // P 0x51: [0x71, 0x11, 0x51], // Q 0x52: [0x72, 0x12, 0x52], // R 0x53: [0x73, 0x13, 0x53], // S 0x54: [0x74, 0x14, 0x54], // T 0x55: [0x75, 0x15, 0x55], // U 0x56: [0x76, 0x16, 0x56], // V 0x57: [0x77, 0x17, 0x57], // W 0x58: [0x78, 0x18, 0x58], // X 0x59: [0x79, 0x19, 0x59], // Y 0x5A: [0x7A, 0x1A, 0x5A], // Z 0x5B: [0xFF, 0xFF, 0xFF], // Left window 0x5C: [0xFF, 0xFF, 0xFF], // Right window 0x5D: [0xFF, 0xFF, 0xFF], // Select 0x5E: [0x5E, 0x1E, 0x5E], // 0x5F: [0x5F, 0x1F, 0x5F], // _ // Numeric pad 0x60: [0x30, 0x30, 0x30], // 0 0x61: [0x31, 0x31, 0x31], // 1 0x62: [0x32, 0x32, 0x32], // 2 0x63: [0x33, 0x33, 0x33], // 3 0x64: [0x34, 0x34, 0x34], // 4 0x65: [0x35, 0x35, 0x35], // 5 0x66: [0x36, 0x36, 0x36], // 6 0x67: [0x37, 0x37, 0x37], // 7 0x68: [0x38, 0x38, 0x38], // 8 0x69: [0x39, 0x39, 0x39], // 9 0x6A: [0x2A, 0x2A, 0x2A], // * 0x6B: [0x2B, 0x2B, 0x2B], // + 0x6D: [0x2D, 0x2D, 0x2D], // - 0x6E: [0x2E, 0x2E, 0x2E], // . 0x6F: [0x2F, 0x2F, 0x39], // / // Stray keys 0xAD: [0x2D, 0x2D, 0x5F], // - - _ 0xBA: [0x3B, 0x3B, 0x3A], // ; - : 0xBB: [0x3D, 0x3D, 0x2B], // = - + 0xBC: [0x2C, 0x2C, 0x3C], // , - < 0xBD: [0x2D, 0x2D, 0x5F], // - - _ 0xBE: [0x2E, 0x2E, 0x3E], // . - > 0xBF: [0x2F, 0x2F, 0x3F], // / - ? 0xC0: [0x60, 0x60, 0x7E], // ` - ~ 0xDB: [0x5B, 0x1B, 0x7B], // [ - { 0xDC: [0x5C, 0x1C, 0x7C], // \ - | 0xDD: [0x5D, 0x1D, 0x7D], // ] - } 0xDE: [0x27, 0x22, 0x22], // ' - ' 0xFF: [0xFF, 0xFF, 0xFF] // No comma line } as const; function isKeyboardCode(code: number): code is KnownKeys { return code in keymap; } const uiKitMap = { 'Dead': 0xFF, 'UIKeyInputLeftArrow': 0x08, 'UIKeyInputRightArrow': 0x15, 'UIKeyInputUpArrow': 0x0B, 'UIKeyInputDownArrow': 0x0A, 'UIKeyInputEscape': 0x1B } as const; function isUiKitKey(k: string): k is KnownKeys { return k in uiKitMap; } const keys2 = [ [ ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0', ':', '-', 'RESET'], ['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', 'REPT', 'RETURN'], ['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', '←', '→'], ['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/', 'SHIFT'], ['POWER', ' '] ], [ ['!', '"', '#', '$', '%', '&', '\'', '(', ')', '0', '*', '=', 'RESET'], ['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', '@', 'REPT', 'RETURN'], ['CTRL', 'A', 'S', 'D', 'F', 'BELL', 'H', 'J', 'K', 'L', '+', '←', '→'], ['SHIFT', 'Z', 'X', 'C', 'V', 'B', '^', ']', '<', '>', '?', 'SHIFT'], ['POWER', ' '] ] ] as const; type Key2 = DeepMemberOf; const keys2e = [ [ ['ESC', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 'DELETE'], ['TAB', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '[', ']', '\\'], ['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', '"', 'RETURN'], ['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/', 'SHIFT'], ['LOCK', '`', 'POW', 'OPEN_APPLE', ' ', 'CLOSED_APPLE', '←', '→', '↓', '↑'] ], [ ['ESC', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 'DELETE'], ['TAB', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '|'], ['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '\'', 'RETURN'], ['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 'SHIFT'], ['CAPS', '~', 'POW', 'OPEN_APPLE', ' ', 'CLOSED_APPLE', '←', '→', '↓', '↑'] ] ] as const; type Key2e = DeepMemberOf; type Key = Key2 | Key2e; type KeyFunction = (key: KeyboardEvent) => void; export default class KeyBoard { private kb: HTMLElement; private keys; private shifted = false; private controlled = false; private capslocked = true; // Initially caps lock on physical keyboard is assumed to be off, // but on emulated keyboard it is on. private capslockKeyUsed = false; private optioned = false; private commanded = false; private functions: Record = {}; constructor(private cpu: CPU6502, private io: Apple2IO, private e: boolean) { this.keys = e ? keys2e : keys2; window.addEventListener('keydown', this.keydown); window.addEventListener('keyup', this.keyup); } setFunction(key: string, fn: KeyFunction) { this.functions[key] = fn; } mapKeyEvent(evt: KeyboardEvent) { const code = evt.keyCode; let key: byte = 0xff; if (isUiKitKey(evt.key)) { key = uiKitMap[evt.key]; } else if (isKeyboardCode(code)) { key = keymap[code][evt.shiftKey ? 2 : (evt.ctrlKey ? 1 : 0)]; if (code !== 20 && this.capslockKeyUsed) { this.capslockKey(evt.getModifierState('CapsLock')); } if (this.capslocked && key >= 0x61 && key <= 0x7A) { key -= 0x20; } } else { debug('Unhandled key = ' + toHex(code)); } if (key === 0x7F && evt.shiftKey && evt.ctrlKey) { this.cpu.reset(); key = 0xff; } return key; } shiftKey(down: boolean) { const shiftKeys = this.kb.querySelectorAll('.key-SHIFT'); this.shifted = down; if (down) { this.io.buttonUp(2); shiftKeys.forEach((key) => { key.classList.add('active'); }); } else { this.io.buttonDown(2); shiftKeys.forEach((key) => { key.classList.remove('active'); }); } } controlKey(down: boolean) { const ctrlKey = this.kb.querySelector('.key-CTRL'); this.controlled = down; if (down) { ctrlKey!.classList.add('active'); } else { ctrlKey!.classList.remove('active'); } } commandKey(down: boolean) { const commandKey = this.kb.querySelector('.key-OPEN_APPLE'); if (!commandKey) { return; } this.commanded = down; if (down) { this.io.buttonDown(0); commandKey.classList.add('active'); } else { this.io.buttonUp(0); commandKey.classList.remove('active'); } } optionKey(down: boolean) { const optionKey = this.kb.querySelector('.key-CLOSED_APPLE'); if (!optionKey) { return; } this.optioned = down; if (down) { this.io.buttonDown(1); optionKey.classList.add('active'); } else { this.io.buttonUp(1); optionKey.classList.remove('active'); } } /** * Sets the state of the Caps Lock key. It is very complicated. * @param down if `true`, Caps Lock is pressed; if `false` Caps Lock is not pressed; * if `undefined`, Caps Lock is toggled and its "used" state is set to false; * if called with no arguments, the state is toggled _if_ it has been used before, * otherwise the used state is set to true. */ capslockKey(down?: boolean | undefined) { const capsLock = this.kb.querySelector('.key-LOCK'); if (arguments.length === 0) { if (this.capslockKeyUsed) { this.capslocked = !this.capslocked; } else { this.capslockKeyUsed = true; } } else if (down === undefined) { this.capslocked = !this.capslocked; this.capslockKeyUsed = false; } else { this.capslocked = down; } if (this.capslocked) { capsLock!.classList.add('active'); } else { capsLock!.classList.remove('active'); } } reset(event: Event) { event.preventDefault(); event.stopPropagation(); this.cpu.reset(); } create(el: string) { this.kb = document.querySelector(el)!; let x, y, row, key, label, label1, label2; const buildLabel = (k: string) => { const span = document.createElement('span'); span.innerHTML = k; if (k.length > 1 && k.slice(0, 1) !== '&') span.classList.add('small'); return span; }; for (y = 0; y < 5; y++) { row = document.createElement('div'); row.classList.add('row'); row.classList.add(`row${y}`); this.kb.append(row); for (x = 0; x < this.keys[0][y].length; x++) { const key1 = this.keys[0][y][x]; const key2 = this.keys[1][y][x]; label = document.createElement('div'); label1 = buildLabel(key1); label2 = buildLabel(key2); key = document.createElement('div'); key.classList.add('key'); key.classList.add('key-' + key1.replace(/[&#;]/g, '')); if (key1.length > 1) { if (key1 === 'LOCK') key.classList.add('v-center2'); else key.classList.add('v-center'); } if (key1 !== key2) { key.classList.add('key-' + key2.replace(/[&;]/g, '')); label.append(label2); label.append(document.createElement('br')); } if (key1 === 'LOCK') { key.classList.add('active'); } label.append(label1); key.append(label); key.dataset.key1 = key1; key.dataset.key2 = key2; const mouseDown = this.genMouseDown(key, key1, key2); const mouseUp = this.genMouseUp(key); if (window.ontouchstart === undefined) { key.addEventListener('mousedown', mouseDown); key.addEventListener('mouseup', mouseUp); key.addEventListener('mouseleave', mouseUp); } else { key.addEventListener('touchstart', mouseDown); key.addEventListener('touchend', mouseUp); key.addEventListener('touchleave', mouseUp); } row.append(key); } } } private genMouseDown(target: HTMLElement, key1: Key, key2: Key) { return (ev: MouseEvent) => { ev.preventDefault(); target.classList.add('pressed'); let key: string = this.shifted ? key2 : key1; switch (key) { case 'BELL': key = 'G'; break; case 'RETURN': key = '\r'; break; case 'TAB': key = '\t'; break; case 'DELETE': key = '\x7F'; break; case '←': key = '\x08'; break; case '→': key = '\x15'; break; case '↓': key = '\x0A'; break; case '↑': key = '\x0B'; break; case ' ': key = ' '; break; case 'ESC': key = '\x1B'; break; default: break; } if (key.length > 1) { switch (key) { case 'SHIFT': this.shiftKey(!this.shifted); break; case 'CTRL': this.controlKey(!this.controlled); break; case 'CAPS': case 'LOCK': this.capslockKey(undefined); break; case 'POW': case 'POWER': if (window.confirm('Power Cycle?')) window.location.reload(); break; case 'RESET': this.cpu.reset(); break; case 'OPEN_APPLE': this.commandKey(!this.commanded); break; case 'CLOSED_APPLE': this.optionKey(!this.optioned); break; default: break; } } else { if (this.controlled && key >= '@' && key <= '_') { this.io.keyDown(key.charCodeAt(0) - 0x40); } else if (this.e && !this.shifted && !this.capslocked && key >= 'A' && key <= 'Z') { this.io.keyDown(key.charCodeAt(0) + 0x20); } else { this.io.keyDown(key.charCodeAt(0)); } } }; } private dialogOpen() { return !!document.querySelector('.modal.is-open'); } private genMouseUp(target: HTMLElement) { return () => target.classList.remove('pressed'); } private keydown = (evt: KeyboardEvent) => { if (!this.dialogOpen() && (!evt.metaKey || evt.ctrlKey || this.e)) { evt.preventDefault(); const key = this.mapKeyEvent(evt); if (key !== 0xff) { this.io.keyDown(key); return; } } if (evt.key === 'Shift') { this.shiftKey(true); } else if (evt.key === 'CapsLock') { this.capslockKey(); } else if (evt.key === 'Control') { this.controlKey(true); } else if (evt.key === 'Meta') { // AKA Command this.commandKey(true); } else if (evt.key === 'Alt') { if (evt.location === 1) { this.commandKey(true); } else { this.optionKey(true); } } else { if (evt.key in this.functions) { this.functions[evt.key](evt); evt.preventDefault(); } } }; private keyup = (evt: KeyboardEvent) => { if (!this.dialogOpen()) { this.io.keyUp(); } if (evt.key === 'Shift') { // Shift this.shiftKey(false); } else if (evt.key === 'Control') { // Control this.controlKey(false); } else if (evt.key === 'Meta') { // AKA Command this.commandKey(false); } else if (evt.key === 'Alt') { // Alt if (evt.location === 1) { this.commandKey(false); } else { this.optionKey(false); } } }; }