117 lines
4.7 KiB
TypeScript
117 lines
4.7 KiB
TypeScript
import { describe } from "mocha";
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import { OpcodeMetadata, Platform } from "../common/baseplatform";
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import { CodeAnalyzer_vcs } from "../common/analysis";
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import { MOS6502 } from "../common/cpu/MOS6502";
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import assert from "assert";
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class Test6502Platform implements Platform {
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cpu = new MOS6502();
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ram = new Uint8Array(65536);
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start(): void | Promise<void> {
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throw new Error("Method not implemented.");
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}
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reset(): void {
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throw new Error("Method not implemented.");
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}
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isRunning(): boolean {
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throw new Error("Method not implemented.");
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}
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getToolForFilename(s: string): string {
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throw new Error("Method not implemented.");
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}
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getDefaultExtension(): string {
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throw new Error("Method not implemented.");
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}
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pause(): void {
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throw new Error("Method not implemented.");
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}
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resume(): void {
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throw new Error("Method not implemented.");
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}
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loadROM(title: string, rom: any) {
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throw new Error("Method not implemented.");
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}
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getOpcodeMetadata?(opcode: number, offset: number): OpcodeMetadata {
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return this.cpu.cpu.getOpcodeMetadata(opcode, offset);
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}
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getOriginPC(): number {
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return 0;
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}
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readAddress?(addr:number) : number {
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return this.ram[addr] || 0;
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}
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}
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describe('6502 analysis', function () {
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it('Should analyze WSYNC', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0xea,0x85,0x02,0xa9,0x60,0x20,0x04,0x00,0xea,0x4c,0x01,0x00]);
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 0);
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assert.equal(analysis.pc2clockrange[0x1].minclocks, 2);
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assert.equal(analysis.pc2clockrange[0x1].maxclocks, 19);
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assert.equal(analysis.pc2clockrange[0x3].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x3].maxclocks, 0);
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});
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it('Should analyze loop', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0xea,0x4c,0x00,0x00]); // 5 cycles
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 75);
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// TODO: should be 0-75
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/*
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assert.equal(analysis.pc2clockrange[0x1].minclocks, 1);
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assert.equal(analysis.pc2clockrange[0x1].maxclocks, 72);
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*/
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});
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it('Should wrap clocks', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xb1,0,0xea,0x4c,0,0]);
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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// TODO: should be 0-75
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 75);
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assert.equal(analysis.pc2clockrange[0x2].minclocks, 5);
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assert.equal(analysis.pc2clockrange[0x2].maxclocks, 6);
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});
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it('Should wrap RTS', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0xb1,0x60,0x20,1,0,0x4c,0,0]);
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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// TODO: should be 0-75
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 75);
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});
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it('Should not recurse', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0xea,0x20,0x07,0x00,0x4c,0x00,0x00, 0xa4,0x88,0xea,0xd0,0xfb,0x60]);
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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// TODO: should be 0-75
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 75);
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});
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it('Should not break', function () {
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let platform = new Test6502Platform();
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platform.ram.set([0x85,0x02,0x85,0x2a,0xa9,0x00,0x85,0x26,0x85,0x1b,0x85,0x1c,0x4c,0x00,0x00]);
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let analysis = new CodeAnalyzer_vcs(platform);
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analysis.showLoopTimingForPC(0x0);
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console.log(analysis.pc2clockrange);
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// TODO: should be 0-75
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assert.equal(analysis.pc2clockrange[0x0].minclocks, 0);
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assert.equal(analysis.pc2clockrange[0x0].maxclocks, 17);
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});
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});
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