Re: SFX Expander programming and VICE

From: Marko Mäkelä <msmakela_at_gmail.com>
Date: Sat, 26 Nov 2011 23:41:56 +0200
Message-ID: <20111126214156.GA3535@x60s>
On Sat, Nov 26, 2011 at 08:27:41PM +0100, Gábor Lénárt wrote:
>"Extensions" are only remainments of the ancient CP/M systems, Unix 
>does not have this notion

Sorry, I could not resist the off-topic.

As far as I understand, CP/M copied the file name conventions (except 
subdirectories and file versions) from Digital VAX/VMS, which was 
supposed to replace the archaic *nix systems. If OpenVMS did not die in 
the hands of HP yet, theoretically it could still win. :-) BTW, VMS 
distinguished binary and ASCII files, too. AFAIR, CP/M does not really 
distinguish them, but it does not store exact file lengths either. You 
will only know how many blocks the file is, not how many bytes.

I guess it would be somewhat funny if you ported the sound to Commodore 
128 CP/M, or maybe even the Commodore 64 CP/M. The latter would probably 
be a hardware challenge too. In later editions of the Commodore 64 
Programmer's Reference Guide, the pages about the CP/M cartridge were 
made blank.

	Marko

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Received on 2011-11-26 22:00:24

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