             else if (unsignedInbound >= 0xdb)
                 isValid = false;
 
-            /*
-            if (!isValid) {
+            // Do not delete this.  Used for troubleshooting...
+            /*if (!isValid) {
                 sprintf(temp, "-%d-",unsignedInbound);
                 C64Serial.write(temp);
             }*/

        Display(temp);
        delay(1000);

        sprintf_P(temp, PSTR("Baud Rate\n\n%d"), BAUD_RATE);
        Display(temp);
        delay(1000);



            // Block non-ASCII/PETSCII characters
            unsignedInbound = (unsigned char)inbound;
            if (unsignedInbound == 0x08 || unsignedInbound == 0x0a || unsignedInbound == 0x0d || unsignedInbound == 0x14) {}  // backspace, LF, CR, C= Delete
            else if (unsignedInbound <= 0x1f)
                isValid = false;
            else if (unsignedInbound >= 0x80 && unsignedInbound <= 0xc0)
