79 lines
2.1 KiB
TypeScript
79 lines
2.1 KiB
TypeScript
import { memory } from 'js/types';
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import { concat } from 'js/util';
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function generateBytesInOrder() {
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const data: memory[][] = [];
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for (let t = 0; t < 35; t++) {
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const track: memory[] = [];
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for (let s = 0; s < 13; s++) {
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const sector: memory = new Uint8Array(256);
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for (let b = 0; b < 256; b++) {
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sector[b] = b;
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}
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track[s] = sector;
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}
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data[t] = track;
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}
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return data;
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}
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export const BYTES_IN_ORDER: memory[][] = generateBytesInOrder();
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function generateBytesBySector() {
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const data: memory[][] = [];
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for (let t = 0; t < 35; t++) {
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const track: memory[] = [];
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for (let s = 0; s < 13; s++) {
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const sector: memory = new Uint8Array(256);
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for (let b = 0; b < 256; b++) {
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sector[b] = s;
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}
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track[s] = sector;
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}
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data[t] = track;
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}
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return data;
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}
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export const BYTES_BY_SECTOR: memory[][] = generateBytesBySector();
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function generateBytesByTrack() {
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const data: memory[][] = [];
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for (let t = 0; t < 35; t++) {
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const track: memory[] = [];
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for (let s = 0; s < 13; s++) {
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const sector: memory = new Uint8Array(256);
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for (let b = 0; b < 256; b++) {
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sector[b] = t;
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}
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track[s] = sector;
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}
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data[t] = track;
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}
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return data;
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}
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export const BYTES_BY_TRACK: memory[][] = generateBytesByTrack();
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function toImage(disk: memory[][]) {
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const tracks: Uint8Array[] = [];
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for (let t = 0; t < disk.length; t++) {
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const track = concat(...disk[t]);
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tracks.push(track);
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}
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return concat(...tracks);
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}
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export const BYTES_BY_SECTOR_IMAGE = toImage(BYTES_BY_SECTOR);
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export const BYTES_BY_TRACK_IMAGE = toImage(BYTES_BY_TRACK);
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function randomImage() {
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const result = new Uint8Array(35 * 13 * 256);
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for (let i = 0; i < result.length; i++) {
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result[i] = Math.floor(Math.random() * 256);
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}
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return result;
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}
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export const RANDOM_IMAGE = randomImage();
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