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Re: Apple Pascal disk format (was Old Apple code)
- Subject: Re: Apple Pascal disk format (was Old Apple code)
- From: jpenne@ee.ualberta.ca (Jerry Penner)
- Date: Thu, 25 Feb 1993 00:30:13 GMT
- Newsgroups: alt.folklore.computers, comp.sys.apple2
- Organization: University Of Alberta, Edmonton Canada
- References: <1993Feb11.055231.11618@murdoch.acc.Virginia.EDU> <viking.729764696@ponderous.cc.iastate.edu> <viking.729924398@ponderous.cc.iastate.edu> <17FEB199311260756@almach.caltech.edu> <1lvccu$agm@agate.berkeley.edu> <1m32kt$ghb@armory.centerline.com>
- Sender: news@kakwa.ucs.ualberta.ca
- Xref: sparky alt.folklore.computers:20806 comp.sys.apple2:29631
jimf@centerline.com (Jim Frost) writes:
[...]
>Just to make things harder the Apple Pascal had yet another low-level
>disk format with 512-byte sectors rather than 256 and it required a
>lot of work to transfer files between them. We finally gave up on
>their Pascal -- it was a crummy compiler and a mediocre overall
>environment.
Apple Pascal used the same low-level format as Apple DOS 3.3 and
ProDOS 8. It's just that they used 512-byte blocks like ProDOS does
which means they used 2 256-byte sectors to represent one block. I
have Apple Pascal code in some of my old Nibble magazines that reads
files from Apple DOS disks.
--
Jerry Penner jpenne@ee.ualberta.ca or jjp@myrias.ab.ca