Apple-2-Tools
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apple2js
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apple2js/js/ui/keyboard.js

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/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.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 { debug, toHex } from '../util';
export default function KeyBoard(cpu, io, e) {
// keycode: [plain, cntl, shift]
var 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
};
var uiKitMap = {
'Dead': 0xFF,
'UIKeyInputLeftArrow': 0x08,
'UIKeyInputRightArrow': 0x15,
'UIKeyInputUpArrow': 0x0B,
'UIKeyInputDownArrow': 0x0A,
'UIKeyInputEscape': 0x1B
};
var 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',';','&larr;','&rarr;'],
['SHIFT','Z','X','C','V','B','N','M',',','.','/','SHIFT'],
['POWER', '&nbsp;']
], [
['!','"','#','$','%','&','\'','(',')','0','*','=','RESET'],
['ESC','Q','W','E','R','T','Y','U','I','O','@','REPT','RETURN'],
['CTRL','A','S','D','F','BELL','H','J','K','L','+','&larr;','&rarr;'],
['SHIFT','Z','X','C','V','B','^',']','<','>','?','SHIFT'],
['POWER', '&nbsp;']
]
];
var keys2e = [
[
['ESC','1','2','3','4','5','6','7','8','9','0','-','=','DELETE'],
['TAB','Q','W','E','R','T','Y','U','I','O','P','[',']','\\'],
['CTRL','A','S','D','F','G','H','J','K','L',';','"','RETURN'],
['SHIFT','Z','X','C','V','B','N','M',',','.','/','SHIFT'],
['LOCK','`','POW','OPEN_APPLE','&nbsp;','CLOSED_APPLE','&larr;','&rarr;','&darr;','&uarr;']
], [
['ESC','!','@','#','$','%','^','&','*','(',')','_','+','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','&nbsp;','CLOSED_APPLE','&larr;','&rarr;','&darr;','&uarr;']
]
];
var keys = e ? keys2e : keys2;
var shifted = false;
var controlled = false;
var capslocked = true;
// Initially caps lock on physical keyboard is assumed to be off,
// but on emulated keyboard it is on.
var capslockKeyUsed = false;
var optioned = false;
var commanded = false;
var kb;
return {
mapKeyEvent: function keyboard_mapKeyEvent(evt) {
var code = evt.keyCode, key = '\xff';
if (evt.key in uiKitMap) {
key = uiKitMap[evt.key];
} else if (code in keymap) {
key = keymap[code][evt.shiftKey ? 2 : (evt.ctrlKey ? 1 : 0)];
if (code != 20 && capslockKeyUsed) {
this.capslockKey(evt.getModifierState("CapsLock"));
}
if (capslocked && key >= 0x61 && key <= 0x7A) {
key -= 0x20;
}
} else {
debug('Unhandled key = ' + toHex(code));
}
if (key == 0x7F && evt.shiftKey && evt.ctrlKey) {
cpu.reset();
key = '\xff';
}
return key;
},
shiftKey: function keyboard_shiftKey(down) {
var shiftKeys = kb.querySelectorAll('.key-SHIFT');
shifted = down;
if (down) {
io.buttonUp(2);
shiftKeys.forEach(function(key) { key.classList.add('active'); });
} else {
io.buttonDown(2);
shiftKeys.forEach(function(key) { key.classList.remove('active'); });
}
},
controlKey: function keyboard_controlKey(down) {
var ctrlKey = kb.querySelector('.key-CTRL');
controlled = down;
if (down) {
ctrlKey.classList.add('active');
} else {
ctrlKey.classList.remove('active');
}
},
commandKey: function keyboard_commandKey(down) {
var commandKey = kb.querySelector('.key-OPEN_APPLE');
commanded = down;
if (down) {
io.buttonDown(0);
commandKey.classList.add('active');
} else {
io.buttonUp(0);
commandKey.classList.remove('active');
}
},
optionKey: function keyboard_optionKey(down) {
var optionKey = kb.querySelector('.key-CLOSED_APPLE');
optioned = down;
if (down) {
io.buttonDown(1);
optionKey.classList.add('active');
} else {
io.buttonUp(1);
optionKey.classList.remove('active');
}
},
capslockKey: function keyboard_caplockKey(down) {
var capsLock = kb.querySelector('.key-LOCK');
if (arguments.length == 0) {
if (capslockKeyUsed) {
capslocked = !capslocked;
} else {
capslockKeyUsed = true;
}
} else if (down === undefined) {
capslocked = !capslocked;
capslockKeyUsed = false;
} else {
capslocked = down;
}
if (capslocked) {
capsLock.classList.add('active');
} else {
capsLock.classList.remove('active');
}
},
reset: function keyboard_reset(event) {
event.preventDefault();
event.stopPropagation();
cpu.reset();
},
create: function keyboard_create(el) {
kb = document.querySelector(el);
var x, y, row, key, key1, key2, label, label1, label2, self = this;
function buildLabel(k) {
var span = document.createElement('span');
span.innerHTML = k;
if (k.length > 1 && k.substr(0,1) != '&')
span.classList.add('small');
return span;
}
function _mouseup() {
this.classList.remove('pressed');
}
function _mousedown(ev) {
ev.preventDefault();
this.classList.add('pressed');
var key = this.dataset[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 '&larr;':
key = '\x08';
break;
case '&rarr;':
key = '\x15';
break;
case '&darr;':
key = '\x0A';
break;
case '&uarr;':
key = '\x0B';
break;
case '&nbsp;':
key = ' ';
break;
case 'ESC':
key = '\x1B';
break;
default:
break;
}
if (key.length > 1) {
switch (key) {
case 'SHIFT':
self.shiftKey(!shifted);
break;
case 'CTRL':
self.controlKey(!controlled);
break;
case 'CAPS':
case 'LOCK':
self.capslockKey(undefined);
break;
case 'POW':
case 'POWER':
if (window.confirm('Power Cycle?'))
window.location.reload();
break;
case 'RESET':
cpu.reset();
break;
case 'OPEN_APPLE':
self.commandKey(!commanded);
break;
case 'CLOSED_APPLE':
self.optionKey(!optioned);
break;
default:
break;
}
} else {
if (controlled && key >= '@' && key <= '_') {
io.keyDown(key.charCodeAt(0) - 0x40);
} else if (!e && !shifted && !capslocked &&
key >= 'A' && key <= 'Z') {
io.keyDown(key.charCodeAt(0) + 0x20);
} else {
io.keyDown(key.charCodeAt(0));
}
}
}
for (y = 0; y < 5; y++) {
row = document.createElement('div');
row.classList.add('row');
row.classList.add('row' + y);
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.classList.add('key-' + key1.replace(/[&#;]/g,''));
if (key1.length > 1) {
if (key1 == 'LOCK')
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'));
}
if (key1 == 'LOCK') {
key.classList.add('active');
}
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('mouseleave', _mouseup);
} else {
key.addEventListener('touchstart', _mousedown);
key.addEventListener('touchend', _mouseup);
key.addEventListener('touchleave', _mouseup);
}
row.append(key);
}
}
}
};
}
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