Yeah, I kinda gave up, i will fix it later or something I recon

peripheral/communication/packets/newWindowIDPakcket.go

@@ -0,0 +1,20 @@
+package packets
+
+import (
+	"esdi/peripheral/communication/constvar"
+)
+
+type NewWindowID struct {
+	StartMarker byte
+	ID          int16
+	EndMarker   byte
+}
+
+func (pkt *NewWindowID) Validate() bool {
+	if pkt.StartMarker != constvar.StartOfText ||
+		pkt.EndMarker != constvar.EndOfText {
+		return false
+	}
+
+	return true
+}