       case 's':  // --- show information
       case 'S':
           Serial.println();
-          Serial.print("Start address: "); Serial.println(eepromAddr);
-          Serial.print("Block length:  "); Serial.println(total_length);
+          Serial.print(F("Start address: ")); printHex(eepromAddr, 6);
+          Serial.println();
+          Serial.print(F("Block length:    ")); printHex(total_length, 4);
+          Serial.println();
         break;
       
       case 'h':


      case 'a':  // --- set the base address
      case 'A':
          Serial.print("\nEnter start address? "); Serial.flush();
          eepromAddr = readInt(); // readUInt32();
        break;

      case 'f':  // --- toggle output format
      case 'F':
          if ( output_format == 0 ) {
	          output_format = 1;
	          Serial.println("Switched to IHEX output format!");
	        }
	        else {
	          output_format = 0;
	          Serial.println("Switched to DUMP output format!");
      	  }
        break;

      case 'l':  // --- set the length
      case 'L':
        Serial.print("\nEnter block length? "); Serial.flush();
        total_length = readInt(); // readUInt32();
        break;

      case 'r':  // --- read length bytes starting from address


  delay(2500);
}

