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reload debug break state before resuming, fixes frame de-sync problem

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This commit is contained in:
Steven Hugg 2022-09-06 19:32:02 -05:00
parent 58e3f3f9fb
commit 162113b915
3 changed files with 20 additions and 2 deletions
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3
src/common/baseplatform.ts
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@ -270,6 +270,9 @@ export abstract class BaseDebugPlatform extends BasePlatform {
this.onBreakpointHit = callback; this.onBreakpointHit = callback;
} }
clearDebug() { clearDebug() {
if (this.debugBreakState != null) {
this.loadState(this.debugSavedState);
}
this.debugSavedState = null; this.debugSavedState = null;
this.debugBreakState = null; this.debugBreakState = null;
this.debugTargetClock = -1; this.debugTargetClock = -1;

4
src/platform/vectrex.ts
View File

@ -849,12 +849,12 @@ class VectrexPlatform extends Base6809Platform {
var frameCycles = 1500000 / 60; var frameCycles = 1500000 / 60;
var cycles = 0; var cycles = 0;
while (cycles < frameCycles) { while (cycles < frameCycles) {
cycles += this.step(); cycles += this.nextCycle();
} }
return cycles; return cycles;
} }
step() { nextCycle() {
this.probe.logExecute(this.getPC(), this.getSP()); this.probe.logExecute(this.getPC(), this.getSP());
if (this.via.ifr & 0x80) { if (this.via.ifr & 0x80) {
this._cpu.interrupt(); this._cpu.interrupt();

15
test/cli/testplatforms.js
View File

@ -194,6 +194,21 @@ async function testPlatform(platid, romname, maxframes, callback) {
} }
assert.equal(clks, proberec.countClocks()); assert.equal(clks, proberec.countClocks());
} }
// debugging
let bpState = null;
if (platform.setupDebug) {
let stated1 = platform.saveState();
platform.setupDebug((state,msg) => {
bpState = state;
});
if (platform.step) platform.step();
platform.nextFrame();
platform.clearDebug();
let stated3 = platform.saveState();
assert.ok(bpState);
console.log(stated1.c.PC, bpState.c.PC, stated3.c.PC);
assert.equal(stated1.c.PC, stated3.c.PC);
}
// debug tree // debug tree
if (platform.getDebugTree != null) { if (platform.getDebugTree != null) {
var dbgtree = platform.getDebugTree(); var dbgtree = platform.getDebugTree();