Hello PIC.ers, erm, esp. actually Graham & Stewart. >Graham Daniel wrote: > > >Stewart, >MPASM IS CASE SENSITIVE HA HA HA ha ha ha > >ie you must either type all register names in upper case, or leave caps >lock on. > >regards, etc. Usefully, it IS possible to disable case sensitivity. This is my default editing mode, as I use casing conventions throughout the source to help me with housekeeping. Of course, these private rules of mine are completely at variance with MPASM's whims, so I looked for, and eventually found the way to kill it. It is obscurely detailed in my copy of the `MPASM User's Guide' DS22014F page14 `command line interface' defaults chapter2. in MPLAB, in the `Extra Assembler Options' checkbox put /c- ok happy PIC.ing Best regards, John e-mail from the desk of John Sanderson, JS Controls. Snailmail: PO Box 1887, Boksburg 1460, Rep. of South Africa. Tel/fax: Johannesburg 893 4154 Cellphone no: 082 469 0446 email: jsand@pixie.co.za Manufacturer & purveyor of laboratory force testing apparatus, and related products and services.