99 lines
2.4 KiB
JavaScript
99 lines
2.4 KiB
JavaScript
import { ISX } from /**/"./ISX.js";
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// Debug mode UI manager
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class Debugger {
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///////////////////////////// Static Methods //////////////////////////////
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// Data type conversions
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static F32 = new Float32Array(1);
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static U32 = new Uint32Array(this.F32.buffer);
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// Reinterpret a float32 as a u32
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static fxi(x) {
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this.F32[0] = x;
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return this.U32[0];
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}
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// Process file data as ISM
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static isx(data) {
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return new ISX(data);
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}
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// Reinterpret a u32 as a float32
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static ixf(x) {
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this.U32[0] = x;
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return this.F32[0];
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}
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// Compute the number of lines scrolled by a WheelEvent
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static linesScrolled(e, lineHeight, pageLines, delta) {
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let ret = {
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delta: delta,
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lines: 0
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};
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// No scrolling occurred
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if (e.deltaY == 0);
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// Scrolling by pixel
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else if (e.deltaMode == WheelEvent.DOM_DELTA_PIXEL) {
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ret.delta += e.deltaY;
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ret.lines = Math.sign(ret.delta) *
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Math.floor(Math.abs(ret.delta) / lineHeight);
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ret.delta -= ret.lines * lineHeight;
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}
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// Scrolling by line
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else if (e.deltaMode == WheelEvent.DOM_DELTA_LINE)
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ret.lines = Math.trunc(e.deltaY);
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// Scrolling by page
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else if (e.deltaMode == WheelEvent.DOM_DELTA_PAGE)
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ret.lines = Math.trunc(e.deltaY) * pageLines;
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// Unknown scrolling mode
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else ret.lines = 3 * Math.sign(e.deltaY);
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return ret;
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}
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///////////////////////// Initialization Methods //////////////////////////
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constructor(app, sim, index) {
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// Configure instance fields
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this.app = app;
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this.core = app.core;
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this.dasm = app.dasm;
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this.sim = sim;
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// Configure debugger windows
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this.cpu = new Debugger.CPU (this, index);
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this.memory = new Debugger.Memory(this, index);
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}
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///////////////////////////// Package Methods /////////////////////////////
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// Ensure PC is visible in the disassembler
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followPC(pc = null) {
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this.cpu.disassembler.followPC(pc);
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}
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// Format a number as hexadecimal
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hex(value, digits = null, decorated = true) {
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return this.dasm.hex(value, digits, decorated);
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}
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}
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// Register component classes
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(await import(/**/"./CPU.js" )).register(Debugger);
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(await import(/**/"./Memory.js")).register(Debugger);
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export { Debugger };
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