La simulation ne marche pas d'un simple code de l'affichage à un lcd voici l'erreur
"MPLINK 4.38, Linker
Copyright (c) 1998-2010 Microchip Technology Inc.
Error - Device not specified. Use /p option to specify a device.
Errors : 1
Link step failed."
Go to "Project > Build options... > Project", than in the popup i selected "MPLINK linker" tab, clicked on "use alternate settings" and added '/p 18f4520' to the command line.