basic memory and cpu

gameboy.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"radu.macocian.me/goboy/cpu"
+	"radu.macocian.me/goboy/errorHandling"
+	"radu.macocian.me/goboy/memory"
+	"strings"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("Missing rom, please provide a rom")
+		return
+	}
+
+	checkExtension(os.Args[1])
+
+	data, err := os.ReadFile(os.Args[1])
+	check(err)
+
+	startMem := 1000
+	memory.WriteAll(startMem, data)
+	cpu.Execute(startMem)
+}
+
+func checkExtension(file string) {
+	splits := strings.Split(file, ".")
+	if splits[len(splits)-1] != "gb" {
+		panic(errorHandling.InvalidRomError)
+	}
+}
+
+func check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}