You can try your software exactly with UMPS simulator which will allow you to see the graphical result of the output to a display and much more ... Demo available at: http://idls.izarbel.tm.fr/entp/techer/P01.HTM Best regards, Philippe. +--------------------------------------------------------+ | Virtual Micro Design | | Try the new generation microcontroller simulator | | E-Mail: p.techer@idls.izarbel.tm.fr | | URL: http://idls.izarbel.tm.fr/entp/techer/P01.HTM | +--------------------------------------------------------+