mirror of
https://github.com/whscullin/apple2js.git
synced 2024-01-12 14:14:38 +00:00
562 lines
18 KiB
TypeScript
562 lines
18 KiB
TypeScript
import { byte, DeepMemberOf, KnownKeys } from '../types';
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import Apple2IO from '../apple2io';
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import CPU6502 from '../cpu6502';
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import { debug, toHex } from '../util';
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// keycode: [plain, cntl, shift]
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const keymap = {
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// Most of these won't happen
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0x00: [0x00, 0x00, 0x00], //
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0x01: [0x01, 0x01, 0x01], //
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0x02: [0x02, 0x02, 0x02], //
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0x03: [0x03, 0x03, 0x03], //
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0x04: [0x04, 0x04, 0x04], //
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0x05: [0x05, 0x05, 0x05], //
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0x06: [0x06, 0x06, 0x06], //
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0x07: [0x07, 0x07, 0x07], //
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0x08: [0x7F, 0x7F, 0x7F], // BS/DELETE
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0x09: [0x09, 0x09, 0x09], // TAB
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0x0A: [0x0A, 0x0A, 0x0A], //
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0x0B: [0x0B, 0x0B, 0x0B], //
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0x0C: [0x0C, 0x0C, 0x0C], //
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0x0D: [0x0D, 0x0D, 0x0D], // CR
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0x0E: [0x0E, 0x0E, 0x0E], //
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0x0F: [0x0F, 0x0F, 0x0F], //
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0x10: [0xff, 0xff, 0xff], // SHIFT
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0x11: [0xff, 0xff, 0xff], // CTRL
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0x12: [0xff, 0xff, 0xff], // ALT/OPTION
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0x13: [0x13, 0x13, 0x13], //
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0x14: [0x14, 0x14, 0x14], //
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0x15: [0x15, 0x15, 0x15], //
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0x16: [0x16, 0x16, 0x16], //
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0x17: [0x17, 0x17, 0x18], //
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0x18: [0x18, 0x18, 0x18], //
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0x19: [0x19, 0x19, 0x19], //
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0x1A: [0x1A, 0x1A, 0x1A], //
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0x1B: [0x1B, 0x1B, 0x1B], // ESC
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0x1C: [0x1C, 0x1C, 0x1C], //
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0x1D: [0x1D, 0x1D, 0x1D], //
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0x1E: [0x1E, 0x1E, 0x1E], //
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0x1F: [0x1F, 0x1F, 0x1F], //
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// Most of these besides space won't happen
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0x20: [0x20, 0x20, 0x20], //
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0x21: [0x21, 0x21, 0x21], //
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0x22: [0x22, 0x22, 0x22], //
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0x23: [0x23, 0x23, 0x23], //
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0x24: [0x24, 0x24, 0x24], //
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0x25: [0x08, 0x08, 0x08], // <- left
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0x26: [0x0B, 0x0B, 0x0B], // ^ up
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0x27: [0x15, 0x15, 0x15], // -> right
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0x28: [0x0A, 0x0A, 0x0A], // v down
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0x29: [0x29, 0x29, 0x29], // )
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0x2A: [0x2A, 0x2A, 0x2A], // *
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0x2B: [0x2B, 0x2B, 0x2B], // +
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0x2C: [0x2C, 0x2C, 0x3C], // , - <
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0x2D: [0x2D, 0x2D, 0x5F], // - - _
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0x2E: [0x2E, 0x2E, 0x3E], // . - >
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0x2F: [0x2F, 0x2F, 0x3F], // / - ?
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0x30: [0x30, 0x30, 0x29], // 0 - )
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0x31: [0x31, 0x31, 0x21], // 1 - !
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0x32: [0x32, 0x00, 0x40], // 2 - @
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0x33: [0x33, 0x33, 0x23], // 3 - #
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0x34: [0x34, 0x34, 0x24], // 4 - $
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0x35: [0x35, 0x35, 0x25], // 5 - %
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0x36: [0x36, 0x36, 0x5E], // 6 - ^
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0x37: [0x37, 0x37, 0x26], // 7 - &
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0x38: [0x38, 0x38, 0x2A], // 8 - *
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0x39: [0x39, 0x39, 0x28], // 9 - (
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0x3A: [0x3A, 0x3A, 0x3A], // :
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0x3B: [0x3B, 0x3B, 0x3A], // ; - :
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0x3C: [0x3C, 0x3C, 0x3C], // <
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0x3D: [0x3D, 0x3D, 0x2B], // = - +
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0x3E: [0x3E, 0x3E, 0x3E], // >
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0x3F: [0x3F, 0x3F, 0x3F], // ?
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// Alpha and control
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0x40: [0x40, 0x00, 0x40], // @
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0x41: [0x61, 0x01, 0x41], // A
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0x42: [0x62, 0x02, 0x42], // B
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0x43: [0x63, 0x03, 0x43], // C - BRK
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0x44: [0x64, 0x04, 0x44], // D
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0x45: [0x65, 0x05, 0x45], // E
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0x46: [0x66, 0x06, 0x46], // F
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0x47: [0x67, 0x07, 0x47], // G - BELL
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0x48: [0x68, 0x08, 0x48], // H
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0x49: [0x69, 0x09, 0x49], // I - TAB
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0x4A: [0x6A, 0x0A, 0x4A], // J - NL
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0x4B: [0x6B, 0x0B, 0x4B], // K - VT
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0x4C: [0x6C, 0x0C, 0x4C], // L
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0x4D: [0x6D, 0x0D, 0x4D], // M - CR
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0x4E: [0x6E, 0x0E, 0x4E], // N
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0x4F: [0x6F, 0x0F, 0x4F], // O
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0x50: [0x70, 0x10, 0x50], // P
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0x51: [0x71, 0x11, 0x51], // Q
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0x52: [0x72, 0x12, 0x52], // R
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0x53: [0x73, 0x13, 0x53], // S
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0x54: [0x74, 0x14, 0x54], // T
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0x55: [0x75, 0x15, 0x55], // U
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0x56: [0x76, 0x16, 0x56], // V
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0x57: [0x77, 0x17, 0x57], // W
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0x58: [0x78, 0x18, 0x58], // X
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0x59: [0x79, 0x19, 0x59], // Y
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0x5A: [0x7A, 0x1A, 0x5A], // Z
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0x5B: [0xFF, 0xFF, 0xFF], // Left window
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0x5C: [0xFF, 0xFF, 0xFF], // Right window
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0x5D: [0xFF, 0xFF, 0xFF], // Select
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0x5E: [0x5E, 0x1E, 0x5E], //
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0x5F: [0x5F, 0x1F, 0x5F], // _
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// Numeric pad
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0x60: [0x30, 0x30, 0x30], // 0
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0x61: [0x31, 0x31, 0x31], // 1
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0x62: [0x32, 0x32, 0x32], // 2
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0x63: [0x33, 0x33, 0x33], // 3
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0x64: [0x34, 0x34, 0x34], // 4
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0x65: [0x35, 0x35, 0x35], // 5
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0x66: [0x36, 0x36, 0x36], // 6
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0x67: [0x37, 0x37, 0x37], // 7
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0x68: [0x38, 0x38, 0x38], // 8
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0x69: [0x39, 0x39, 0x39], // 9
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0x6A: [0x2A, 0x2A, 0x2A], // *
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0x6B: [0x2B, 0x2B, 0x2B], // +
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0x6D: [0x2D, 0x2D, 0x2D], // -
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0x6E: [0x2E, 0x2E, 0x2E], // .
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0x6F: [0x2F, 0x2F, 0x39], // /
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// Stray keys
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0xAD: [0x2D, 0x2D, 0x5F], // - - _
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0xBA: [0x3B, 0x3B, 0x3A], // ; - :
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0xBB: [0x3D, 0x3D, 0x2B], // = - +
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0xBC: [0x2C, 0x2C, 0x3C], // , - <
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0xBD: [0x2D, 0x2D, 0x5F], // - - _
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0xBE: [0x2E, 0x2E, 0x3E], // . - >
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0xBF: [0x2F, 0x2F, 0x3F], // / - ?
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0xC0: [0x60, 0x60, 0x7E], // ` - ~
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0xDB: [0x5B, 0x1B, 0x7B], // [ - {
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0xDC: [0x5C, 0x1C, 0x7C], // \ - |
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0xDD: [0x5D, 0x1D, 0x7D], // ] - }
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0xDE: [0x27, 0x22, 0x22], // ' - '
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0xFF: [0xFF, 0xFF, 0xFF] // No comma line
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} as const;
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function isKeyboardCode(code: number): code is KnownKeys<typeof keymap> {
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return code in keymap;
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}
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const uiKitMap = {
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'Dead': 0xFF,
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'UIKeyInputLeftArrow': 0x08,
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'UIKeyInputRightArrow': 0x15,
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'UIKeyInputUpArrow': 0x0B,
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'UIKeyInputDownArrow': 0x0A,
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'UIKeyInputEscape': 0x1B
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} as const;
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function isUiKitKey(k: string): k is KnownKeys<typeof uiKitMap> {
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return k in uiKitMap;
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}
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const keys2 = [
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[
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['1', '2', '3', '4', '5', '6', '7', '8', '9', '0', ':', '-', 'RESET'],
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['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', 'REPT', 'RETURN'],
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['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', '←', '→'],
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['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/', 'SHIFT'],
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['POWER', ' ']
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], [
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['!', '"', '#', '$', '%', '&', '\'', '(', ')', '0', '*', '=', 'RESET'],
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['ESC', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', '@', 'REPT', 'RETURN'],
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['CTRL', 'A', 'S', 'D', 'F', 'BELL', 'H', 'J', 'K', 'L', '+', '←', '→'],
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['SHIFT', 'Z', 'X', 'C', 'V', 'B', '^', ']', '<', '>', '?', 'SHIFT'],
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['POWER', ' ']
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]
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] as const;
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type Key2 = DeepMemberOf<typeof keys2>;
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const keys2e = [
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[
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['ESC', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 'DELETE'],
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['TAB', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '[', ']', '\\'],
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['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', '"', 'RETURN'],
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['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', ',', '.', '/', 'SHIFT'],
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['LOCK', '`', 'POW', 'OPEN_APPLE', ' ', 'CLOSED_APPLE', '←', '→', '↓', '↑']
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], [
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['ESC', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 'DELETE'],
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['TAB', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '|'],
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['CTRL', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '\'', 'RETURN'],
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['SHIFT', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 'SHIFT'],
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['CAPS', '~', 'POW', 'OPEN_APPLE', ' ', 'CLOSED_APPLE', '←', '→', '↓', '↑']
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]
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] as const;
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type Key2e = DeepMemberOf<typeof keys2e>;
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type Key = Key2 | Key2e;
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type KeyFunction = (key: KeyboardEvent) => void
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export default class KeyBoard {
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private kb: HTMLElement;
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private keys;
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private shifted = false;
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private controlled = false;
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private capslocked = true;
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// Initially caps lock on physical keyboard is assumed to be off,
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// but on emulated keyboard it is on.
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private capslockKeyUsed = false;
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private optioned = false;
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private commanded = false;
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private functions: Record<string, KeyFunction> = {};
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constructor(private cpu: CPU6502, private io: Apple2IO, private e: boolean) {
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this.keys = e ? keys2e : keys2;
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window.addEventListener('keydown', this.keydown);
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window.addEventListener('keyup', this.keyup);
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}
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setFunction(key: string, fn: KeyFunction) {
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this.functions[key] = fn;
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}
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mapKeyEvent(evt: KeyboardEvent) {
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const code = evt.keyCode;
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let key: byte = 0xff;
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if (isUiKitKey(evt.key)) {
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key = uiKitMap[evt.key];
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} else if (isKeyboardCode(code)) {
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key = keymap[code][evt.shiftKey ? 2 : (evt.ctrlKey ? 1 : 0)];
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if (code != 20 && this.capslockKeyUsed) {
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this.capslockKey(evt.getModifierState('CapsLock'));
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}
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if (this.capslocked && key >= 0x61 && key <= 0x7A) {
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key -= 0x20;
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}
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} else {
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debug('Unhandled key = ' + toHex(code));
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}
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if (key == 0x7F && evt.shiftKey && evt.ctrlKey) {
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this.cpu.reset();
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key = 0xff;
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}
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return key;
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}
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shiftKey(down: boolean) {
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const shiftKeys = this.kb.querySelectorAll('.key-SHIFT');
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this.shifted = down;
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if (down) {
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this.io.buttonUp(2);
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shiftKeys.forEach((key) => { key.classList.add('active'); });
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} else {
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this.io.buttonDown(2);
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shiftKeys.forEach((key) => { key.classList.remove('active'); });
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}
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}
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controlKey(down: boolean) {
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const ctrlKey = this.kb.querySelector('.key-CTRL');
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this.controlled = down;
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if (down) {
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ctrlKey!.classList.add('active');
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} else {
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ctrlKey!.classList.remove('active');
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}
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}
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commandKey(down: boolean) {
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const commandKey = this.kb.querySelector('.key-OPEN_APPLE');
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if (!commandKey) {
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return;
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}
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this.commanded = down;
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if (down) {
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this.io.buttonDown(0);
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commandKey.classList.add('active');
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} else {
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this.io.buttonUp(0);
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commandKey.classList.remove('active');
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}
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}
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optionKey(down: boolean) {
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const optionKey = this.kb.querySelector('.key-CLOSED_APPLE');
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if (!optionKey) {
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return;
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}
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this.optioned = down;
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if (down) {
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this.io.buttonDown(1);
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optionKey.classList.add('active');
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} else {
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this.io.buttonUp(1);
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optionKey.classList.remove('active');
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}
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}
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/**
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* Sets the state of the Caps Lock key. It is very complicated.
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* @param down if `true`, Caps Lock is pressed; if `false` Caps Lock is not pressed;
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* if `undefined`, Caps Lock is toggled and its "used" state is set to false;
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* if called with no arguments, the state is toggled _if_ it has been used before,
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* otherwise the used state is set to true.
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*/
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capslockKey(down?: boolean | undefined) {
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const capsLock = this.kb.querySelector('.key-LOCK');
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if (arguments.length == 0) {
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if (this.capslockKeyUsed) {
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this.capslocked = !this.capslocked;
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} else {
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this.capslockKeyUsed = true;
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}
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} else if (down === undefined) {
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this.capslocked = !this.capslocked;
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this.capslockKeyUsed = false;
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} else {
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this.capslocked = down;
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}
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if (this.capslocked) {
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capsLock!.classList.add('active');
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} else {
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capsLock!.classList.remove('active');
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}
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}
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reset(event: Event) {
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event.preventDefault();
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event.stopPropagation();
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this.cpu.reset();
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}
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create(el: string) {
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this.kb = document.querySelector(el)!;
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let x, y, row, key, label, label1, label2;
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const buildLabel = (k: string) => {
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const span = document.createElement('span');
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span.innerHTML = k;
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if (k.length > 1 && k.substr(0, 1) != '&')
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span.classList.add('small');
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return span;
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};
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for (y = 0; y < 5; y++) {
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row = document.createElement('div');
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row.classList.add('row');
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row.classList.add('row' + y);
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this.kb.append(row);
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for (x = 0; x < this.keys[0][y].length; x++) {
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const key1 = this.keys[0][y][x];
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const key2 = this.keys[1][y][x];
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label = document.createElement('div');
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label1 = buildLabel(key1);
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label2 = buildLabel(key2);
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key = document.createElement('div');
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key.classList.add('key');
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key.classList.add('key-' + key1.replace(/[&#;]/g, ''));
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if (key1.length > 1) {
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if (key1 == 'LOCK')
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key.classList.add('v-center2');
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else
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key.classList.add('v-center');
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}
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if (key1 != key2) {
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key.classList.add('key-' + key2.replace(/[&;]/g, ''));
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label.append(label2);
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label.append(document.createElement('br'));
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}
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if (key1 == 'LOCK') {
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key.classList.add('active');
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}
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label.append(label1);
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key.append(label);
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key.dataset.key1 = key1;
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key.dataset.key2 = key2;
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const mouseDown = this.genMouseDown(key, key1, key2);
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const mouseUp = this.genMouseUp(key);
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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);
|
|
}
|
|
}
|
|
};
|
|
}
|