Cromemco software question
Richard A. Cini
rcini at optonline.net
Fri Oct 8 18:40:51 CDT 2004
Tom:
Thanks. I actually examined the manual a bit more closely this time and
found that it included a small loader. Dunno why I missed it the first time.
Bit rot no doubt...
Rich
-----Original Message-----
From: cctalk-bounces at classiccmp.org
[mailto:cctalk-bounces at classiccmp.org]On Behalf Of Tom Jennings
Sent: Friday, October 08, 2004 2:44 PM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Cromemco software question
On Fri, 8 Oct 2004, Cini, Richard wrote:
> Can anyone with Cromemco experience tell me what loader should be
> used to load this software into a machine? I don't recall seeing anything
in
> the manual that revealed this secret.
Have you examined the data on the tape? Hex/ascii formats are easy to
decode, and binary ones are usually pretty trivial. They are almost always
something dumb like:
leader leader leader...
flag character or sequence
record type (1=data, 2=start addr, 0=stop, that sort of thing)
load address (2 bytes)
byte count (1, 2)
data....
checksum
more records...
ASCII vs. binary, even, would narrow your choices.
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