From: Marko Mäkelä (marko.makela_at_hut.fi)
Date: 2005-05-11 09:46:44
Hi Ruud,
> > Your page basically says "email me for details"; it does not
> > contain any schematic diagrams or offer any source code (or even
> > executable code) for downloading.
>
> It is all available at <http://www.baltissen.org/cbmhd.htm>
> http://www.baltissen.org/cbmhd.htm now.
> Please have a look at it and give me your comment.
Now it's worth listing.
> The layout of the page is not 100% OK yet. I just got some feedback from
> Spiro which I still have to put into the text.
You can check the validity of the page with http://validator.w3.org/.
> Regarding the program: It works fine with the exception of one feature: the
> CBM-DOS mode. CBM-HD supports the DOS mode which means access to any
> DOS-file but, unfortunately, only in 8.3 format. CBM-DOS should enable one
> to use the CBM naming convention by means of a table that keeps track of the
> user provided name and the real name under DOS. But implementing this
> feature caused much more trouble then expected.
Using FAT causes more trouble than expected. (Oh well, newer file
systems have problems with file names as well. Take the case-insensitive
Apple HFS+, for example. If I have understood the technical notes correctly,
the case-folding will effectively treat strings consisting of non-Latin
letters as empty strings. This would mean that e.g., Greek, Russian or
Japanese users would have to give Latin names to their documents.)
Actually, you shouldn't really assume anything else than the ISO-9660
character set from the underlying operating system if you intend to make
the application portable.
Now http://www.funet.fi/pub/cbm/crossplatform/transfer/transfer.html
mentions CBM-HD as well as IEEE2IEC, which Jochen Adler recently released
under the GPL. It makes IEEE-488 devices look like Commodore serial bus
devices, and it even supports the JiffyDOS protocol. It's based on an
Atmel ATMega8515 microcontroller.
Marko
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