2019 Day 8 Complete!

2019/day07/main.go

@@ -113,19 +113,24 @@ func pt2RunWithPhaseSettings(settings []int) int {
 		a3.Input(settings[2])
 		a4.Input(settings[3])
 		a5.Input(settings[4])
+
 		a1.Input(0)
 		for {
+			if a5.NeedsOutput() {
+				a5Out := a5.Output()
+				fmt.Println("A5: ", a5Out)
+				a1.Input(a5Out)
+			}
 			a2.Input(a1.Output())
 			a3.Input(a2.Output())
 			a4.Input(a3.Output())
 			a5.Input(a4.Output())
-			for !a5.NeedsOutput() {
-				time.Sleep(1)
-			}
 			if a5.State() == intcode.RET_DONE {
 				break
 			}
-			a1.Input(a5.Output())
+			for !a5.NeedsOutput() {
+				time.Sleep(1)
+			}
 		}
 	}()
 	for a5.State() != intcode.RET_DONE && !a5.NeedsOutput() {