A complete and really fast simulator for PIC, HC11, HC705, 8031 or ST62XX in same Windows environment. Don't wait more, UMPS is really what you need, it simulates any of these micro and fast very fast. You need to see if your IIC program or your LCD protocol is OK ? UMPS can simulate IIC peripheral LCD panel, LED, push-button etc ... Check my WEB page, there is a complete description: http://idls.izarbel.tm.fr/entp/techer/P01.HTM Would you please write some lines in your news paper about it. Thanks. Demo can be downloaded in TEXT UUE coded format directly on my WEB page or on a mirror FTP site as ARJ archive at: ftp://ftp.luth.se/pub/misc/microchip/incoming ftp://ftp.bsl.unsw.edu.au/sys/pub/incoming Files are: UMPSD160.ARJ UMPSD160.A01 to UMPSD160.A05 and UMPSD160.TXT You need more info, don't hesitate to ask me: P.TECHER@insat.com Best regards, Philippe.