68 lines
1.7 KiB
TypeScript
68 lines
1.7 KiB
TypeScript
/* Copyright 2010-2023 Will Scullin <scullin@scullinsteel.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation. No representations are made about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*/
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import {byte, word} from '@whscullin/cpu6502';
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const hex_digits = '0123456789ABCDEF';
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const bin_digits = '01';
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export function allocMem(size: word): Uint8Array | byte[] {
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let result;
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if (window.Uint8Array) {
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result = new Uint8Array(size);
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} else {
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result = new Array(size);
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}
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return result;
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}
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export function allocMemPages(pages: byte) {
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return allocMem(pages * 0x100);
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}
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export function debug(...msg: unknown[]) {
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/*eslint no-console: 0 */
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console.log(...msg);
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}
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export function toHex(v: byte, n?: 2 | 4) {
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if (!n) {
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n = v < 256 ? 2 : 4;
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}
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let result = '';
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for (let idx = 0; idx < n; idx++) {
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result = hex_digits[v & 0x0f] + result;
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v >>= 4;
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}
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return result;
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}
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export function toBinary(v: byte) {
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let result = '';
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for (let idx = 0; idx < 8; idx++) {
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result = bin_digits[v & 0x01] + result;
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v >>= 1;
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}
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return result;
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}
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export function gup(name: string) {
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const params = new URLSearchParams(window.location.search);
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return params.get(name);
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}
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export function hup() {
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const regex = new RegExp('#(.*)');
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const results = regex.exec(window.location.hash);
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if (!results) return '';
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else return decodeURIComponent(results[1]);
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}
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