Trying to finish up 2019

2019/day21/main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	intcode "git.bullercodeworks.com/brian/adventofcode/2019/intcode-processor"
+	helpers "git.bullercodeworks.com/brian/adventofcode/helpers"
+)
+
+func main() {
+	pt := helpers.GetArgNumber(1)
+	prog := intcode.ReadIntCodeFile("input")
+	if pt == "1" {
+		part1(prog)
+	} else {
+		part2(prog)
+	}
+}
+
+func part1(prog []int) {
+	p := intcode.NewProgram(prog)
+	//p.EnableDebug()
+	var lastOut int
+	go func() {
+		for {
+			if !p.NeedsOutput() && !p.NeedsInput() {
+				time.Sleep(1)
+			} else if p.NeedsOutput() {
+				lastOut = getOutput(p)
+				fmt.Print(string(byte(lastOut)))
+			} else if p.NeedsInput() {
+				instructions := "NOT A J\nNOT C T\nOR T J\nAND D J\nWALK\n"
+				//instructions := "NOT A J\nWALK\n"
+				for _, v := range []byte(instructions) {
+					fmt.Print(string(v))
+					p.Input(int(v))
+				}
+			}
+		}
+		/*
+			fmt.Println(getOutput(p))
+			return
+		*/
+	}()
+	p.Run()
+	fmt.Println("Damage:", lastOut)
+}
+
+func part2(prog []int) {
+	p := intcode.NewProgram(prog)
+	//p.EnableDebug()
+	var lastOut int
+	go func() {
+		for {
+			if !p.NeedsOutput() && !p.NeedsInput() {
+				time.Sleep(1)
+			} else if p.NeedsOutput() {
+				lastOut = getOutput(p)
+				fmt.Print(string(byte(lastOut)))
+			} else if p.NeedsInput() {
+				instructions := "NOT A J\nNOT B T\nOR T J\nNOT C T\nOR T J\nAND D J\nAND E T\nOR H T\nAND T J\nRUN\n"
+				for _, v := range []byte(instructions) {
+					fmt.Print(string(v))
+					p.Input(int(v))
+				}
+			}
+		}
+		/*
+			fmt.Println(getOutput(p))
+			return
+		*/
+	}()
+	p.Run()
+	fmt.Println("Damage:", lastOut)
+}
+
+func getOutput(p *intcode.Program) int {
+	for !p.NeedsOutput() {
+		time.Sleep(1)
+	}
+	return p.Output()
+}