117 lines
1.9 KiB
Go
117 lines
1.9 KiB
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bufio"
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
"strconv"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
inp := StdinToStrings()
|
||
|
|
run(inp)
|
||
|
|
}
|
||
|
|
|
||
|
|
var reg map[string]int
|
||
|
|
|
||
|
|
func run(inp []string) {
|
||
|
|
reg = make(map[string]int)
|
||
|
|
reg["a"] = 1
|
||
|
|
var mulCount int
|
||
|
|
|
||
|
|
var instCnt int
|
||
|
|
for i := 0; i >= 0 && i < len(inp); i++ {
|
||
|
|
instCnt++
|
||
|
|
if instCnt%10 == 0 {
|
||
|
|
ClearScreen()
|
||
|
|
printInstructions(inp, i)
|
||
|
|
}
|
||
|
|
pts := strings.Split(inp[i], " ")
|
||
|
|
if pts[1] == "h" || pts[2] == "h" {
|
||
|
|
fmt.Println("Hit h")
|
||
|
|
}
|
||
|
|
switch pts[0] {
|
||
|
|
case "set":
|
||
|
|
setReg(pts[1], pts[2])
|
||
|
|
case "sub":
|
||
|
|
subReg(pts[1], pts[2])
|
||
|
|
case "mul":
|
||
|
|
mulCount++
|
||
|
|
mulReg(pts[1], pts[2])
|
||
|
|
case "jnz":
|
||
|
|
i += jumpNotZero(pts[1], pts[2])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fmt.Println("Result (H):", reg["h"])
|
||
|
|
}
|
||
|
|
|
||
|
|
func setReg(key string, val string) {
|
||
|
|
reg[key] = getValue(val)
|
||
|
|
}
|
||
|
|
|
||
|
|
func subReg(key string, val string) {
|
||
|
|
reg[key] = getValue(key) - getValue(val)
|
||
|
|
}
|
||
|
|
|
||
|
|
func mulReg(key string, val string) {
|
||
|
|
reg[key] = getValue(key) * getValue(val)
|
||
|
|
}
|
||
|
|
|
||
|
|
func jumpNotZero(test string, jump string) int {
|
||
|
|
var ret int
|
||
|
|
if getValue(test) != 0 {
|
||
|
|
ret = getValue(jump) - 1
|
||
|
|
}
|
||
|
|
return ret
|
||
|
|
}
|
||
|
|
|
||
|
|
func getValue(key string) int {
|
||
|
|
var ret int
|
||
|
|
var ok bool
|
||
|
|
var err error
|
||
|
|
if ret, err = strconv.Atoi(key); err != nil {
|
||
|
|
// It's not a number
|
||
|
|
if ret, ok = reg[key]; !ok {
|
||
|
|
// The register is empty
|
||
|
|
reg[key] = 0
|
||
|
|
ret = 0
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ret
|
||
|
|
}
|
||
|
|
|
||
|
|
func PrintRegisters() {
|
||
|
|
fmt.Print("[ ")
|
||
|
|
for i := 0; i < 26; i++ {
|
||
|
|
getReg := string('a' + i)
|
||
|
|
fmt.Printf("%s:%d ", getReg, getValue(getReg))
|
||
|
|
}
|
||
|
|
fmt.Print("]\n")
|
||
|
|
}
|
||
|
|
|
||
|
|
func printInstructions(inp []string, pos int) {
|
||
|
|
PrintRegisters()
|
||
|
|
for i := range inp {
|
||
|
|
if i == pos {
|
||
|
|
fmt.Print("> ", inp[i], "\n")
|
||
|
|
} else {
|
||
|
|
fmt.Print(" ", inp[i], "\n")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func ClearScreen() {
|
||
|
|
fmt.Print("\033[H\033[2J")
|
||
|
|
}
|
||
|
|
|
||
|
|
func StdinToStrings() []string {
|
||
|
|
var input []string
|
||
|
|
scanner := bufio.NewScanner(os.Stdin)
|
||
|
|
for scanner.Scan() {
|
||
|
|
input = append(input, scanner.Text())
|
||
|
|
}
|
||
|
|
return input
|
||
|
|
}
|