::: Area #68 (Comms............ [Acorn]) Message: #2568 (Read 15 times, has 0 replies, 732 bytes) Date : Sun Nov 23 12:57:23 1997 From : Keith Hall of fidonet#2:250/219 To : Richard Murray Subject: Re: XModem-CRC Calculation Quoting Richard Murray in a message dated 20th of November : RM> I've improvised it for myself. Might not be 100% correct, but basically a RM> hidden method of sending the filetype (and something else) in the header RM> block. There is a defined method for inserting and recovering filetypes from the header blocks - remind me if you want to see them - I can't remember where I put the document. ;-) Cheers, Keith. --- Dimofail v1.98 (10-01-95) * Origin: The Plasma Sphere BBS 24 hrs (01925) 757920 / 757921 (2:250/219.0)