Data commit

Task/Subleq/Go/subleq.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"io"
+	"log"
+	"os"
+)
+
+func main() {
+	var mem = []int{
+		15, 17, -1, 17, -1, -1, 16, 1, -1, 16, 3, -1, 15, 15, 0, 0, -1,
+		//'H', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd', '!', '\n',
+		72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100, 33, 10,
+		0,
+	}
+	for ip := 0; ip >= 0; {
+		switch {
+		case mem[ip] == -1:
+			mem[mem[ip+1]] = readbyte()
+		case mem[ip+1] == -1:
+			writebyte(mem[mem[ip]])
+		default:
+			b := mem[ip+1]
+			v := mem[b] - mem[mem[ip]]
+			mem[b] = v
+			if v <= 0 {
+				ip = mem[ip+2]
+				continue
+			}
+		}
+		ip += 3
+	}
+}
+
+func readbyte() int {
+	var b [1]byte
+	if _, err := io.ReadFull(os.Stdin, b[:]); err != nil {
+		log.Fatalln("read:", err)
+	}
+	return int(b[0])
+}
+
+func writebyte(b int) {
+	if _, err := os.Stdout.Write([]byte{byte(b)}); err != nil {
+		log.Fatalln("write:", err)
+	}
+}