All files / src/web console-surface.js

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import { hd } from "../hex.js";
import { debounce } from "../debounce.js";
import { PagedView } from "../paging.js";
 
const LastAddress = 0xffff;
 
/**
 * The debugging surface the wiki documents, put on `target` (window in the
 * app). The bench/profile calls are debounced so that they can be safely run
 * from the JS console in firefox.
 */
export function exposeConsoleSurface(target, { loop, processor, video, audioHandler, dbgr }) {
    target.benchmarkCpu = debounce((numCycles) => loop.benchmarkCpu(numCycles), 1);
    target.profileCpu = debounce((arg) => loop.profileCpu(arg), 1);
    target.benchmarkVideo = debounce((numCycles) => loop.benchmarkVideo(numCycles), 1);
    target.profileVideo = debounce((arg) => loop.profileVideo(arg), 1);
    target.go = () => loop.go();
    target.stop = (debug) => loop.stop(debug);
    target.whoWrote = (address) => {
        if (!Number.isInteger(address) || address < 0 || address > LastAddress)
            throw new Error(`whoWrote takes an address from 0 to 0xffff, not ${address}`);
        return dbgr.whoWrote(address, PagedView);
    };
    target.soundChip = audioHandler.soundChip;
    target.processor = processor;
    target.video = video;
    target.hd = (start, end) => {
        console.log(hd((x) => processor.peekmem(x), start, end));
    };
    target.m7dump = () => {
        console.log(hd((x) => processor.peekmem(x) & 0x7f, 0x7c00, 0x7fe8, { width: 40, gap: false }));
    };
}