Apple-1-Tools
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apple1js
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apple1js/js/ui/keyboard.ts

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/* Copyright 2010-2019 Will Scullin <scullin@scullinstekb.com>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
import CPU6502 from 'js/cpu6502';
import { debug, toHex } from '../util';
import Apple1IO from 'js/apple1io';
import { TextPage } from 'js/canvas1';
import { byte } from 'js/types';
// keycode: [plain, cntl, shift]
const keymap: Record<byte, readonly byte[]> = {
// 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: [0x5f, 0x5f, 0x5f], // BS
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], // 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: [0x5f, 0x5f, 0x5f], // <- 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: [0x41, 0x01, 0x41], // A
0x42: [0x42, 0x02, 0x42], // B
0x43: [0x43, 0x03, 0x43], // C - BRK
0x44: [0x44, 0x04, 0x44], // D
0x45: [0x45, 0x05, 0x45], // E
0x46: [0x46, 0x06, 0x46], // F
0x47: [0x47, 0x07, 0x47], // G - BELL
0x48: [0x48, 0x08, 0x48], // H
0x49: [0x49, 0x09, 0x49], // I - TAB
0x4a: [0x4a, 0x0a, 0x4a], // J - NL
0x4b: [0x4b, 0x0b, 0x4b], // K - VT
0x4c: [0x4c, 0x0c, 0x4c], // L
0x4d: [0x4d, 0x0d, 0x4d], // M - CR
0x4e: [0x4e, 0x0e, 0x4e], // N
0x4f: [0x4f, 0x0f, 0x4f], // O
0x50: [0x50, 0x10, 0x50], // P
0x51: [0x51, 0x11, 0x51], // Q
0x52: [0x52, 0x12, 0x52], // R
0x53: [0x53, 0x13, 0x53], // S
0x54: [0x54, 0x14, 0x54], // T
0x55: [0x55, 0x15, 0x55], // U
0x56: [0x56, 0x16, 0x56], // V
0x57: [0x57, 0x17, 0x57], // W
0x58: [0x58, 0x18, 0x58], // X
0x59: [0x59, 0x19, 0x59], // Y
0x5a: [0x5a, 0x1a, 0x5a], // Z
// 0x5B: [0x5B, 0x1B, 0x5B], // [ - ESC
// 0x5C: [0x5C, 0x1C, 0x5C], // \
// 0x5D: [0x5D, 0x1D, 0x5D], // ]
0x5e: [0x5e, 0x1e, 0x5e], // ^
0x5f: [0x5f, 0x1f, 0x5f], // _
// Stray keys
0xba: [0x3b, 0x3b, 0x3a], // ; - :
0xbb: [0x3d, 0x3d, 0x2b], // = - +
0xbc: [0x2c, 0x2c, 0x3c], // , - <
0xbd: [0x2d, 0x2d, 0x5f], // - - _
0xbe: [0x2e, 0x2e, 0x3e], // . - >
0xbf: [0x2f, 0x2f, 0x3f], // / - ?
0xdb: [0x5b, 0x5b, 0x5b], // [
0xdc: [0x5c, 0x5c, 0x5c], // \
0xdd: [0x5d, 0x5d, 0x5d], // ]
0xde: [0x27, 0x27, 0x22], // ' - "
0xff: [0xff, 0xff, 0xff], // No comma line
} as const;
const keys = [
[
['1', '2', '3', '4', '5', '6', '7', '8', '9', '0', ':', '-', 'RESET'],
['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', 'FEED', 'RETURN'],
['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', 'OUT', 'CLS'],
['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/', 'SHIFT'],
['&nbsp;'],
],
[
['!', '"', '#', '$', '%', '&', "'", '(', ')', '0', '*', '=', 'RESET'],
['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', '@', 'LINE', 'RETURN'],
['CTRL', 'A', 'S', 'D', 'F', 'BELL', 'H', 'J', 'K', 'L', '+', 'RUB', 'CLS'],
['SHIFT', 'Z', 'X', 'C', 'V', 'B', '^', 'M', '<', '>', '?', 'SHIFT'],
['&nbsp;'],
],
] as const;
export function mapKeyEvent(evt: KeyboardEvent) {
const code = evt.keyCode;
if (code in keymap) {
return keymap[code][evt.shiftKey ? 2 : evt.ctrlKey ? 1 : 0];
}
debug('Unhandled key = ' + toHex(code));
return 0xff;
}
export class KeyBoard {
shifted = false;
controlled = false;
kb: HTMLDivElement;
constructor(
id: string,
private cpu: CPU6502,
private io: Apple1IO,
private text: TextPage
) {
this.kb = document.querySelector<HTMLDivElement>(id)!;
}
shiftKey(down: boolean) {
this.shifted = down;
this.kb.querySelectorAll('.key-SHIFT').forEach(function (el) {
if (down) {
el.classList.add('active');
} else {
el.classList.remove('active');
}
});
}
controlKey(down: boolean) {
this.controlled = down;
this.kb.querySelectorAll('.key-CTRL').forEach(function (el) {
if (down) {
el.classList.add('active');
} else {
el.classList.remove('active');
}
});
}
create() {
let x, y, row, key, key1, key2, label, label1, label2;
function buildLabel(k: string) {
const span = document.createElement('span');
span.innerHTML = k;
if (k.length > 1 && !k.startsWith('&')) {
span.classList.add('small');
}
return span;
}
const _mouseup = (event: Event) => {
if (!(event.currentTarget instanceof HTMLElement)) {
return;
}
event.currentTarget.classList.remove('pressed');
};
const _mousedown = (event: Event) => {
if (!(event.currentTarget instanceof HTMLElement)) {
return;
}
event.currentTarget.classList.add('pressed');
let key = event.currentTarget.dataset[this.shifted ? 'key2' : 'key1'];
if (!key) {
return;
}
switch (key) {
case 'BELL':
key = 'G';
break;
case 'RETURN':
key = '\r';
break;
case 'LINE':
case 'FEED':
key = '\n';
break;
case 'RUB':
case 'OUT':
key = '_'; // 0x5f
break;
case '&nbsp;':
key = ' ';
break;
case 'ESC':
key = '\0x1b';
break;
default:
break;
}
if (key.length > 1) {
switch (key) {
case 'SHIFT':
this.shifted = !this.shifted;
this.kb
.querySelectorAll<HTMLElement>('.key-SHIFT')
.forEach(function (el: HTMLElement) {
el.classList.toggle('active');
});
break;
case 'CTRL':
this.controlled = !this.controlled;
this.kb.querySelectorAll('.key-CTRL').forEach(function (el) {
el.classList.toggle('active');
});
break;
case 'RESET':
this.cpu.reset();
break;
case 'CLS':
this.text.clear();
break;
default:
break;
}
} else {
if (this.controlled && key >= '@' && key <= '_') {
this.io.keyDown(key.charCodeAt(0) - 0x40);
} else {
this.io.keyDown(key.charCodeAt(0));
}
}
};
for (y = 0; y < 5; y++) {
row = document.createElement('div');
row.classList.add('row', 'row' + y);
this.kb.append(row);
for (x = 0; x < keys[0][y].length; x++) {
key1 = keys[0][y][x];
key2 = keys[1][y][x];
label = document.createElement('div');
label1 = buildLabel(key1);
label2 = buildLabel(key2);
key = document.createElement('div');
key.classList.add('key', 'key-' + key1.replace(/[&;]/g, ''));
if (key1.length > 1) {
if (key1 !== key2) {
key.classList.add('vcenter2');
} else {
key.classList.add('vcenter');
}
}
if (key1 !== key2) {
key.classList.add('key-' + key2.replace(/[&;]/g, ''));
label.append(label2);
label.append(document.createElement('br'));
}
label.append(label1);
key.append(label);
key.dataset['key1'] = key1;
key.dataset['key2'] = key2;
if (window.ontouchstart === undefined) {
key.addEventListener('mousedown', _mousedown);
key.addEventListener('mouseup', _mouseup);
key.addEventListener('mouseout', _mouseup);
} else {
key.addEventListener('touchstart', _mousedown);
key.addEventListener('touchend', _mouseup);
key.addEventListener('touchleave', _mouseup);
}
row.append(key);
}
}
}
}
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