874 lines
26 KiB
TypeScript
874 lines
26 KiB
TypeScript
import { byte, Color, memory, MemoryPages, rom } from './types';
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import { allocMemPages } from './util';
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import { screenEmu } from 'apple2shader';
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import {
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GraphicsState,
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HiresPage,
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LoresPage,
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Region,
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VideoModes,
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VideoModesState,
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bank,
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pageNo
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} from './videomodes';
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// Color constants
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const whiteCol: Color = [255, 255, 255];
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const blackCol: Color = [0, 0, 0];
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const notDirty: Region = {
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top: 193,
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bottom: -1,
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left: 561,
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right: -1
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};
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/****************************************************************************
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*
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* Text/Lores Graphics
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*
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***************************************************************************/
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export class LoresPageGL implements LoresPage {
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// $00-$3F inverse
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// $40-$7F flashing
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// $80-$FF normal
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private _buffer: memory[] = [];
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private _refreshing = false;
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private _blink = false;
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dirty: Region = {...notDirty};
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imageData: ImageData;
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constructor(
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private vm: VideoModes,
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private page: pageNo,
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private readonly charset: rom,
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private readonly e: boolean
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) {
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this.imageData = this.vm.context.createImageData(560, 192);
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this.imageData.data.fill(0xff);
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this._buffer[0] = allocMemPages(0x4);
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this._buffer[1] = allocMemPages(0x4);
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this.vm.setLoresPage(page, this);
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}
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private _drawPixel(data: Uint8ClampedArray, off: number, color: Color) {
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const c0 = color[0], c1 = color[1], c2 = color[2];
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data[off + 0] = data[off + 4] = c0;
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data[off + 1] = data[off + 5] = c1;
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data[off + 2] = data[off + 6] = c2;
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}
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private _drawHalfPixel(data: Uint8ClampedArray, off: number, color: Color) {
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const c0 = color[0], c1 = color[1], c2 = color[2];
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data[off + 0] = c0;
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data[off + 1] = c1;
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data[off + 2] = c2;
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}
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private _checkInverse(val: byte) {
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let inverse = false;
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if (this.e) {
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if (!this.vm._80colMode && !this.vm.altCharMode) {
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inverse = ((val & 0xc0) == 0x40) && this._blink;
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}
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} else {
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inverse = !((val & 0x80) || (val & 0x40) && this._blink);
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}
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return inverse;
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}
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bank0(): MemoryPages {
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return {
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start: () => this._start(),
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end: () => this._end(),
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read: (page, off) => this._read(page, off, 0),
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write: (page, off, val) => this._write(page, off, val, 0),
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};
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}
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bank1(): MemoryPages {
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return {
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start: () => this._start(),
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end: () => this._end(),
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read: (page, off) => this._read(page, off, 1),
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write: (page, off, val) => this._write(page, off, val, 1),
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};
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}
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// These are used by both bank 0 and 1
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private _start() {
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return (0x04 * this.page);
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}
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private _end() { return (0x04 * this.page) + 0x03; }
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private _read(page: byte, off: byte, bank: bank) {
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const addr = (page << 8) | off, base = addr & 0x3FF;
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return this._buffer[bank][base];
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}
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private _write(page: byte, off: byte, val: byte, bank: bank) {
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const addr = (page << 8) | off;
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const base = addr & 0x3FF;
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let fore, back;
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if (this._buffer[bank][base] == val && !this._refreshing) {
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return;
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}
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this._buffer[bank][base] = val;
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const col = (base % 0x80) % 0x28;
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const adj = off - col;
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// 000001cd eabab000 -> 000abcde
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const ab = (adj & 0x18);
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const cd = (page & 0x03) << 1;
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const ee = adj >> 7;
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const row = ab | cd | ee;
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const data = this.imageData.data;
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if ((row < 24) && (col < 40)) {
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let y = row << 3;
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if (y < this.dirty.top) { this.dirty.top = y; }
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y += 8;
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if (y > this.dirty.bottom) { this.dirty.bottom = y; }
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let x = col * 14;
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if (x < this.dirty.left) { this.dirty.left = x; }
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x += 14;
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if (x > this.dirty.right) { this.dirty.right = x; }
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if (this.vm.textMode || this.vm.hiresMode || (this.vm.mixedMode && row > 19)) {
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if (this.vm._80colMode) {
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const inverse = this._checkInverse(val);
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fore = inverse ? blackCol : whiteCol;
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back = inverse ? whiteCol : blackCol;
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if (!this.vm.altCharMode) {
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val = (val >= 0x40 && val < 0x80) ? val - 0x40 : val;
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}
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let offset = (col * 14 + (bank ? 0 : 1) * 7 + row * 560 * 8) * 4;
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for (let jdx = 0; jdx < 8; jdx++) {
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let b = this.charset[val * 8 + jdx];
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for (let idx = 0; idx < 7; idx++) {
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const color = (b & 0x01) ? back : fore;
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this._drawHalfPixel(data, offset, color);
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b >>= 1;
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offset += 4;
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}
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offset += 553 * 4;
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}
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} else if (bank === 0) {
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val = this._buffer[0][base];
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const inverse = this._checkInverse(val);
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fore = inverse ? blackCol : whiteCol;
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back = inverse ? whiteCol : blackCol;
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if (!this.vm.altCharMode) {
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val = (val >= 0x40 && val < 0x80) ? val - 0x40 : val;
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}
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let offset = (col * 14 + row * 560 * 8) * 4;
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if (this.e) {
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for (let jdx = 0; jdx < 8; jdx++) {
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let b = this.charset[val * 8 + jdx];
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for (let idx = 0; idx < 7; idx++) {
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const color = (b & 0x01) ? back : fore;
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this._drawPixel(data, offset, color);
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b >>= 1;
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offset += 8;
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}
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offset += 546 * 4;
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}
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} else {
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for (let jdx = 0; jdx < 8; jdx++) {
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let b = this.charset[val * 8 + jdx] << 1;
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for (let idx = 0; idx < 7; idx++) {
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const color = (b & 0x80) ? fore : back;
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this._drawPixel(data, offset, color);
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b <<= 1;
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offset += 8;
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}
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offset += 546 * 4;
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}
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}
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}
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} else {
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if (this.vm._80colMode && !this.vm.an3State) {
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let offset = (col * 14 + (bank ? 0 : 1) * 7 + row * 560 * 8) * 4;
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for (let jdx = 0; jdx < 8; jdx++) {
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let b = (jdx < 4) ? (val & 0x0f) : (val >> 4);
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b |= (b << 4);
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b |= (b << 8);
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if (col & 0x1) {
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b >>= 2;
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}
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for (let idx = 0; idx < 7; idx++) {
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const color = (b & 0x01) ? whiteCol : blackCol;
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this._drawHalfPixel(data, offset, color);
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b >>= 1;
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offset += 4;
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}
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offset += 553 * 4;
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}
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} else if (bank === 0) {
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let offset = (col * 14 + row * 560 * 8) * 4;
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for (let jdx = 0; jdx < 8; jdx++) {
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let b = (jdx < 4) ? (val & 0x0f) : (val >> 4);
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b |= (b << 4);
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b |= (b << 8);
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if (col & 0x1) {
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b >>= 2;
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}
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for (let idx = 0; idx < 14; idx++) {
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const color = (b & 0x0001) ? whiteCol : blackCol;
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this._drawHalfPixel(data, offset, color);
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b >>= 1;
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offset += 4;
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}
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offset += 546 * 4;
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}
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}
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}
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}
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}
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refresh() {
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let addr = 0x400 * this.page;
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this._refreshing = true;
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for (let idx = 0; idx < 0x400; idx++, addr++) {
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this._write(addr >> 8, addr & 0xff, this._buffer[0][idx], 0);
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if (this.vm._80colMode) {
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this._write(addr >> 8, addr & 0xff, this._buffer[1][idx], 1);
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}
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}
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this._refreshing = false;
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}
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blink() {
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let addr = 0x400 * this.page;
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this._refreshing = true;
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this._blink = !this._blink;
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for (let idx = 0; idx < 0x400; idx++, addr++) {
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const b = this._buffer[0][idx];
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if ((b & 0xC0) == 0x40) {
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this._write(addr >> 8, addr & 0xff, this._buffer[0][idx], 0);
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}
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}
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this._refreshing = false;
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}
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start() {
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setInterval(() => this.blink(), 267);
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return this._start();
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}
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end() {
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return this._end();
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}
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read(page: byte, off: byte) {
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return this._read(page, off, 0);
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}
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write(page: byte, off: byte, val: byte) {
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return this._write(page, off, val, 0);
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}
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getState(): GraphicsState {
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return {
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buffer: [
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new Uint8Array(this._buffer[0]),
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new Uint8Array(this._buffer[1]),
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]
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};
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}
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setState(state: GraphicsState) {
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this._buffer[0] = new Uint8Array(state.buffer[0]);
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this._buffer[1] = new Uint8Array(state.buffer[1]);
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this.refresh();
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}
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private rowToBase(row: number) {
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const ab = (row >> 3) & 3;
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const cd = (row >> 1) & 0x3;
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const e = row & 1;
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return (cd << 8) | (e << 7) | (ab << 5) | (ab << 3);
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}
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private mapCharCode(charCode: byte) {
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charCode &= 0x7F;
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if (charCode < 0x20) {
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charCode += 0x40;
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}
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if (!this.e && (charCode >= 0x60)) {
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charCode -= 0x40;
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}
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return charCode;
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}
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getText() {
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let buffer = '', line, charCode;
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let row, col, base;
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for (row = 0; row < 24; row++) {
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base = this.rowToBase(row);
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line = '';
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if (this.e && this.vm._80colMode) {
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for (col = 0; col < 80; col++) {
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charCode = this.mapCharCode(this._buffer[1 - col % 2][base + Math.floor(col / 2)]);
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line += String.fromCharCode(charCode);
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}
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} else {
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for (col = 0; col < 40; col++) {
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charCode = this.mapCharCode(this._buffer[0][base + col]);
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line += String.fromCharCode(charCode);
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}
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}
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line = line.trimRight();
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buffer += line + '\n';
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}
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return buffer;
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}
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}
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/****************************************************************************
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*
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* Hires Graphics
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*
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***************************************************************************/
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export class HiresPageGL implements HiresPage {
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public imageData: ImageData;
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dirty: Region = {...notDirty};
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private _buffer: memory[] = [];
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private _refreshing = false;
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constructor(
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private vm: VideoModes,
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private page: pageNo,
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) {
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this.imageData = this.vm.context.createImageData(560, 192);
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this.imageData.data.fill(0xff);
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this._buffer[0] = allocMemPages(0x20);
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this._buffer[1] = allocMemPages(0x20);
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this.vm.setHiresPage(page, this);
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}
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private _drawPixel(data: Uint8ClampedArray, off: number, color: Color) {
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const c0 = color[0], c1 = color[1], c2 = color[2];
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data[off + 0] = data[off + 4] = c0;
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data[off + 1] = data[off + 5] = c1;
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data[off + 2] = data[off + 6] = c2;
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}
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private _drawHalfPixel(data: Uint8ClampedArray, off: number, color: Color) {
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const c0 = color[0], c1 = color[1], c2 = color[2];
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data[off + 0] = c0;
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data[off + 1] = c1;
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data[off + 2] = c2;
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}
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bank0(): MemoryPages {
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return {
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start: () => this._start(),
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end: () => this._end(),
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read: (page, off) => this._read(page, off, 0),
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write: (page, off, val) => this._write(page, off, val, 0),
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};
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}
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bank1(): MemoryPages {
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return {
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start: () => this._start(),
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end: () => this._end(),
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read: (page, off) => this._read(page, off, 1),
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write: (page, off, val) => this._write(page, off, val, 1),
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};
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}
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private _start() { return (0x20 * this.page); }
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private _end() { return (0x020 * this.page) + 0x1f; }
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private _read(page: byte, off: byte, bank: bank) {
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const addr = (page << 8) | off, base = addr & 0x1FFF;
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return this._buffer[bank][base];
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}
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private _write(page: byte, off: byte, val: byte, bank: bank) {
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const addr = (page << 8) | off;
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const base = addr & 0x1FFF;
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if (this._buffer[bank][base] == val && !this._refreshing) {
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return;
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}
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this._buffer[bank][base] = val;
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const col = (base % 0x80) % 0x28;
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const adj = off - col;
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// 000001cd eabab000 -> 000abcde
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const ab = (adj & 0x18);
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const cd = (page & 0x03) << 1;
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const e = adj >> 7;
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const rowa = ab | cd | e,
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rowb = base >> 10;
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const data = this.imageData.data;
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if ((rowa < 24) && (col < 40) && this.vm.hiresMode) {
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let y = rowa << 3 | rowb;
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if (y < this.dirty.top) { this.dirty.top = y; }
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y += 1;
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if (y > this.dirty.bottom) { this.dirty.bottom = y; }
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let x = col * 14 - 2;
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if (x < this.dirty.left) { this.dirty.left = x; }
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x += 14;
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if (x > this.dirty.right) { this.dirty.right = x; }
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const dy = rowa << 3 | rowb;
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if (this.vm.doubleHiresMode) {
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const dx = col * 14 + (bank ? 0 : 7);
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let offset = dx * 4 + dy * 280 * 4 * 2;
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let bits = val;
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for (let jdx = 0; jdx < 7; jdx++, offset += 4) {
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if (bits & 0x01) {
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this._drawHalfPixel(data, offset, whiteCol);
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} else {
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this._drawHalfPixel(data, offset, blackCol);
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}
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bits >>= 1;
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}
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} else if (bank === 0) {
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const hbs = val & 0x80;
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const lastCol = col === 39;
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const cropLastPixel = hbs && lastCol;
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const dx = col * 14;
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let offset = dx * 4 + dy * 560 * 4;
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if (hbs) {
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const val0 = this._buffer[bank][base - 1] || 0;
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if (val0 & 0x40) {
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this._drawHalfPixel(data, offset, whiteCol);
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} else {
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this._drawHalfPixel(data, offset, blackCol);
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}
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offset += 4;
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}
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let bits = val;
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for (let idx = 0; idx < 7; idx++, offset += 8) {
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const drawPixel = cropLastPixel && idx == 6
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? this._drawHalfPixel
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: this._drawPixel;
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if (bits & 0x01) {
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drawPixel(data, offset, whiteCol);
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} else {
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drawPixel(data, offset, blackCol);
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}
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bits >>= 1;
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}
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if (!this._refreshing) {
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this._refreshing = true;
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const after = addr + 1;
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this._write(after >> 8, after & 0xff, this._buffer[0][after & 0x1fff], 0);
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this._refreshing = false;
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}
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}
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}
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}
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refresh() {
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let addr = 0x2000 * this.page;
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this._refreshing = true;
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for (let idx = 0; idx < 0x2000; idx++, addr++) {
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const page = addr >> 8;
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const off = addr & 0xff;
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this._write(page, off, this._buffer[0][idx], 0);
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if (this.vm._80colMode) {
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this._write(page, off, this._buffer[1][idx], 1);
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}
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}
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this._refreshing = false;
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}
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start() {
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return this._start();
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}
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end() {
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return this._end();
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}
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read(page: byte, off: byte) {
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return this._read(page, off, 0);
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}
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write(page: byte, off: byte, val: byte) {
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return this._write(page, off, val, 0);
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}
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getState(): GraphicsState {
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return {
|
|
buffer: [
|
|
new Uint8Array(this._buffer[0]),
|
|
new Uint8Array(this._buffer[1]),
|
|
]
|
|
};
|
|
}
|
|
|
|
setState(state: GraphicsState) {
|
|
this._buffer[0] = new Uint8Array(state.buffer[0]);
|
|
this._buffer[1] = new Uint8Array(state.buffer[1]);
|
|
|
|
this.refresh();
|
|
}
|
|
}
|
|
|
|
export class VideoModesGL implements VideoModes {
|
|
private _grs: LoresPage[] = [];
|
|
private _hgrs: HiresPage[] = [];
|
|
private _sv: screenEmu.ScreenView;
|
|
private _displayConfig: screenEmu.DisplayConfiguration;
|
|
private _scanlines: boolean = false;
|
|
private _refreshFlag: boolean = true;
|
|
private _canvas: HTMLCanvasElement;
|
|
|
|
public ready: Promise<void>;
|
|
|
|
public textMode: boolean;
|
|
public mixedMode: boolean;
|
|
public hiresMode: boolean;
|
|
public pageMode: pageNo;
|
|
public _80colMode: boolean;
|
|
public altCharMode: boolean;
|
|
public an3State: boolean;
|
|
public doubleHiresMode: boolean;
|
|
|
|
public flag = 0;
|
|
public monoMode: boolean = false;
|
|
|
|
public context: CanvasRenderingContext2D;
|
|
|
|
constructor(
|
|
private screen: HTMLCanvasElement,
|
|
private e: boolean
|
|
) {
|
|
this._canvas = document.createElement('canvas');
|
|
const context = this._canvas.getContext('2d');
|
|
if (!context) {
|
|
throw new Error('no 2d context');
|
|
}
|
|
const { width, height } = screenEmu.C.NTSC_DETAILS.imageSize;
|
|
this._canvas.width = width;
|
|
this._canvas.height = height;
|
|
this.context = context;
|
|
this._sv = new screenEmu.ScreenView(this.screen);
|
|
|
|
this.ready = this.init();
|
|
}
|
|
|
|
async init() {
|
|
await this._sv.initOpenGL();
|
|
|
|
this._displayConfig = this.defaultMonitor();
|
|
this._sv.displayConfiguration = this._displayConfig;
|
|
}
|
|
|
|
private defaultMonitor(): screenEmu.DisplayConfiguration {
|
|
const config = new screenEmu.DisplayConfiguration();
|
|
config.displayResolution = new screenEmu.Size(this.screen.width, this.screen.height);
|
|
config.displayScanlineLevel = 0.5;
|
|
config.videoWhiteOnly = true;
|
|
config.videoSaturation = 0.8;
|
|
config.videoSize = new screenEmu.Size(1.25, 1.15);
|
|
config.videoCenter = new screenEmu.Point(0.01, 0.02);
|
|
// config.videoDecoder = 'CANVAS_CXA2025AS';
|
|
return config;
|
|
}
|
|
|
|
private monitorII(): screenEmu.DisplayConfiguration {
|
|
// Values taken from openemulator/libemulation/res/library/Monitors/Apple Monitor II.xml
|
|
const config = new screenEmu.DisplayConfiguration();
|
|
config.displayResolution = new screenEmu.Size(this.screen.width, this.screen.height);
|
|
config.videoDecoder = 'CANVAS_MONOCHROME';
|
|
config.videoBrightness = 0.15;
|
|
config.videoContrast = 0.8;
|
|
config.videoSaturation = 1.45;
|
|
config.videoHue = 0.27;
|
|
config.videoCenter = new screenEmu.Point(0.01, 0.02);
|
|
config.videoSize = new screenEmu.Size(1.25, 1.15);
|
|
config.videoBandwidth = 9000000;
|
|
config.displayBarrel = 0.1;
|
|
config.displayScanlineLevel = 0.5;
|
|
config.displayCenterLighting = 0.5;
|
|
config.displayLuminanceGain = 1.5;
|
|
return config;
|
|
}
|
|
|
|
private _refresh() {
|
|
this.doubleHiresMode = !this.an3State && this.hiresMode && this._80colMode;
|
|
|
|
this._refreshFlag = true;
|
|
|
|
if (this._displayConfig) {
|
|
this._displayConfig.videoWhiteOnly = this.textMode || this.monoMode;
|
|
this._displayConfig.displayScanlineLevel = this._scanlines ? 0.5 : 0;
|
|
this._sv.displayConfiguration = this._displayConfig;
|
|
}
|
|
}
|
|
|
|
refresh() {
|
|
this._refresh();
|
|
}
|
|
|
|
reset() {
|
|
this.textMode = true;
|
|
this.mixedMode = false;
|
|
this.hiresMode = true;
|
|
this.pageMode = 1;
|
|
|
|
this._80colMode = false;
|
|
this.altCharMode = false;
|
|
|
|
this.an3State = true;
|
|
|
|
this._refresh();
|
|
}
|
|
|
|
setLoresPage(page: pageNo, lores: LoresPage) {
|
|
this._grs[page - 1] = lores;
|
|
}
|
|
|
|
setHiresPage(page: pageNo, hires: HiresPage) {
|
|
this._hgrs[page - 1] = hires;
|
|
}
|
|
|
|
text(on: boolean) {
|
|
const old = this.textMode;
|
|
this.textMode = on;
|
|
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
_80col(on: boolean) {
|
|
if (!this.e) { return; }
|
|
|
|
const old = this._80colMode;
|
|
this._80colMode = on;
|
|
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
altChar(on: boolean) {
|
|
if (!this.e) { return; }
|
|
|
|
const old = this.altCharMode;
|
|
this.altCharMode = on;
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
hires(on: boolean) {
|
|
const old = this.hiresMode;
|
|
this.hiresMode = on;
|
|
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
an3(on: boolean) {
|
|
if (!this.e) { return; }
|
|
|
|
const old = this.an3State;
|
|
this.an3State = on;
|
|
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
doubleHires(on: boolean) {
|
|
this.an3(!on);
|
|
}
|
|
|
|
mixed(on: boolean) {
|
|
const old = this.mixedMode;
|
|
this.mixedMode = on;
|
|
if (old != on) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
page(pageNo: pageNo) {
|
|
const old = this.pageMode;
|
|
this.pageMode = pageNo;
|
|
if (old != pageNo) {
|
|
this._refresh();
|
|
}
|
|
}
|
|
|
|
isText() {
|
|
return this.textMode;
|
|
}
|
|
|
|
isMixed() {
|
|
return this.mixedMode;
|
|
}
|
|
|
|
isPage2() {
|
|
return this.pageMode == 2;
|
|
}
|
|
|
|
isHires() {
|
|
return this.hiresMode;
|
|
}
|
|
|
|
isDoubleHires() {
|
|
return this.doubleHiresMode;
|
|
}
|
|
|
|
is80Col() {
|
|
return this._80colMode;
|
|
}
|
|
|
|
isAltChar() {
|
|
return this.altCharMode;
|
|
}
|
|
|
|
updateImage(
|
|
mainData: ImageData,
|
|
mainDirty: Region,
|
|
mixData?: ImageData | null,
|
|
mixDirty?: Region | null
|
|
) {
|
|
let blitted = false;
|
|
if (mainDirty.bottom !== -1 || (mixDirty && mixDirty.bottom !== -1)) {
|
|
const imageData = this.buildScreen(mainData, mixData);
|
|
const imageInfo = new screenEmu.ImageInfo(imageData);
|
|
this._sv.image = imageInfo;
|
|
blitted = true;
|
|
}
|
|
this._sv.vsync();
|
|
return blitted;
|
|
}
|
|
|
|
buildScreen(mainData: ImageData, mixData?: ImageData | null) {
|
|
const details = screenEmu.C.NTSC_DETAILS;
|
|
const { width, height } = details.imageSize;
|
|
const { x, y } = this._80colMode ? details.topLeft80Col : details.topLeft;
|
|
|
|
if (mixData) {
|
|
this.context.putImageData(mainData, x, y, 0, 0, 560, 160);
|
|
this.context.putImageData(mixData, x, y, 0, 160, 560, 32);
|
|
} else {
|
|
this.context.putImageData(mainData, x, y);
|
|
}
|
|
return this.context.getImageData(0, 0, width, height);
|
|
}
|
|
|
|
blit(altData?: ImageData) {
|
|
let blitted = false;
|
|
const hgr = this._hgrs[this.pageMode - 1];
|
|
const gr = this._grs[this.pageMode - 1];
|
|
|
|
if (this._refreshFlag) {
|
|
hgr.refresh();
|
|
gr.refresh();
|
|
this._refreshFlag = false;
|
|
}
|
|
|
|
if (altData) {
|
|
blitted = this.updateImage(
|
|
altData,
|
|
{ top: 0, left: 0, right: 560, bottom: 192 }
|
|
);
|
|
} else if (this.hiresMode && !this.textMode) {
|
|
blitted = this.updateImage(
|
|
hgr.imageData,
|
|
hgr.dirty,
|
|
this.mixedMode ? gr.imageData : null,
|
|
this.mixedMode ? gr.dirty : null
|
|
);
|
|
} else {
|
|
blitted = this.updateImage(
|
|
gr.imageData, gr.dirty
|
|
);
|
|
}
|
|
hgr.dirty = {...notDirty};
|
|
gr.dirty = {...notDirty};
|
|
|
|
return blitted;
|
|
}
|
|
|
|
getState(): VideoModesState {
|
|
return {
|
|
grs: [this._grs[0].getState(), this._grs[1].getState()],
|
|
hgrs: [this._hgrs[0].getState(), this._hgrs[1].getState()],
|
|
textMode: this.textMode,
|
|
mixedMode: this.mixedMode,
|
|
hiresMode: this.hiresMode,
|
|
pageMode: this.pageMode,
|
|
_80colMode: this._80colMode,
|
|
altCharMode: this.altCharMode,
|
|
an3State: this.an3State,
|
|
flag: 0
|
|
};
|
|
}
|
|
|
|
setState(state: VideoModesState) {
|
|
this.textMode = state.textMode;
|
|
this.mixedMode = state.mixedMode;
|
|
this.hiresMode = state.hiresMode;
|
|
this.pageMode = state.pageMode;
|
|
this._80colMode = state._80colMode;
|
|
this.altCharMode = state.altCharMode;
|
|
this.an3State = state.an3State;
|
|
|
|
this._grs[0].setState(state.grs[0]);
|
|
this._grs[1].setState(state.grs[1]);
|
|
this._hgrs[0].setState(state.hgrs[0]);
|
|
this._hgrs[1].setState(state.hgrs[1]);
|
|
this._refresh();
|
|
}
|
|
|
|
mono(on: boolean) {
|
|
this.monoMode = on;
|
|
this._displayConfig = on ? this.monitorII() : this.defaultMonitor();
|
|
this._refresh();
|
|
}
|
|
|
|
scanlines(on: boolean) {
|
|
this._scanlines = on;
|
|
this._refresh();
|
|
}
|
|
|
|
getText() {
|
|
return this._grs[this.pageMode - 1].getText();
|
|
}
|
|
}
|