LR35902: Fix core never exiting with certain event patterns

CHANGES

@@ -22,6 +22,7 @@ Bugfixes:
  - GB: Initialize audio properly
  - GB MBC: Fix RTC access when no save file is loaded
  - GB: Properly clear KEY1 bit 0 when switching speeds
+ - LR35902: Fix core never exiting with certain event patterns
 Misc:
  - All: Only update version info if needed
  - FFmpeg: Encoding cleanup

src/lr35902/lr35902.c

@@ -156,13 +156,16 @@ void LR35902Tick(struct LR35902Core* cpu) {
 }
 
 void LR35902Run(struct LR35902Core* cpu) {
-	while (true) {
+	bool running = 1;
+	while (running > 0 || cpu->executionState != LR35902_CORE_FETCH) {
 		_LR35902Step(cpu);
 		if (cpu->cycles + 2 >= cpu->nextEvent) {
 			int32_t diff = cpu->nextEvent - cpu->cycles;
 			cpu->cycles = cpu->nextEvent;
+			cpu->executionState += diff;
 			cpu->irqh.processEvents(cpu);
 			cpu->cycles += 2 - diff;
+			running = -1;
 		} else {
 			cpu->cycles += 2;
 		}
@@ -170,8 +173,10 @@ void LR35902Run(struct LR35902Core* cpu) {
 		cpu->instruction(cpu);
 		++cpu->cycles;
 		if (cpu->cycles >= cpu->nextEvent) {
-			break;
+			running = 0;
 		}
 	}
-	cpu->irqh.processEvents(cpu);
+	if (!running) {
+		cpu->irqh.processEvents(cpu);
+	}
 }