Tighter looping for ARMRun

src/arm/arm.c

@@ -291,3 +291,14 @@ void ARMRun(struct ARMCore* cpu) {
 		cpu->irqh.processEvents(cpu);
 	}
 }
+
+void ARMRunLoop(struct ARMCore* cpu) {
+	while (cpu->cycles < cpu->nextEvent) {
+		if (cpu->executionMode == MODE_THUMB) {
+			ThumbStep(cpu);
+		} else {
+			ARMStep(cpu);
+		}
+	}
+	cpu->irqh.processEvents(cpu);
+}

src/arm/arm.h

@@ -156,5 +156,6 @@ void ARMRaiseIRQ(struct ARMCore*);
 void ARMRaiseSWI(struct ARMCore*);
 
 void ARMRun(struct ARMCore* cpu);
+void ARMRunLoop(struct ARMCore* cpu);
 
 #endif

src/gba/gba-thread.c

@@ -167,7 +167,7 @@ static THREAD_ENTRY _GBAThreadRun(void* context) {
 			}
 		} else {
 			while (threadContext->state == THREAD_RUNNING) {
-				ARMRun(&cpu);
+				ARMRunLoop(&cpu);
 			}
 		}