adding utilities

Author: fogleman

util/roms.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/fogleman/nes/nes"
+)
+
+func testRom(path string) (err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			err = r.(error)
+		}
+	}()
+	console, err := nes.NewConsole(path)
+	if err != nil {
+		return err
+	}
+	console.StepSeconds(3)
+	return nil
+}
+
+func main() {
+	args := os.Args[1:]
+	if len(args) != 1 {
+		log.Fatalln("Usage: go run util/roms.go roms_directory")
+	}
+	dir := args[0]
+	infos, err := ioutil.ReadDir(dir)
+	if err != nil {
+		panic(err)
+	}
+	for _, info := range infos {
+		name := info.Name()
+		if !strings.HasSuffix(name, ".nes") {
+			continue
+		}
+		name = path.Join(dir, name)
+		err := testRom(name)
+		if err == nil {
+			fmt.Println("OK  ", name)
+		} else {
+			fmt.Println("FAIL", name)
+			fmt.Println(err)
+		}
+	}
+}