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From: prindle@Nadc.ARPA
Newsgroups: net.micro.cpm
Subject: Christensen MODEM program for Commodore-64
Message-ID: <13024@sri-arpa.UUCP>
Date: Thu, 30-Aug-84 11:40:00 EDT
Article-I.D.: sri-arpa.13024
Posted: Thu Aug 30 11:40:00 1984
Date-Received: Mon, 3-Sep-84 20:05:01 EDT
Lines: 10

Unfortunately, Commodore BASIC programs, of which this one is no
exception, utilize control characters, both normal ascii ones and ones
with the high order bit set (ie. chr$(x) where x>127), and are thus
not amenable to storage and transfer as normal ascii files.  All of
the cursor positioning characters and reverse field characters are
missing from MICRO:<CPM.COMMODORE>XMODEM64.BAS.  Commodore BASIC
programs must be treated (especially by XMODEM programs themselves) as
"binary", not text, and are best transmitted as hex files.  Of course,
it is possible to write a C64 program which uses only the normal ascii
subset, but I haven't seen one (nontrivial) yet!