Larry,
Let me know if you have trouble finding 4116 ICs. There is a trift store
nearby that strips a lot of old PCs and they sell boards for $1 ea. I
found they're a great source of old ICs.
Joe
At 06:10 PM 12/17/97 -0800, you wrote:
>Speaking of Osbornes, I recently ran across an Osborne 4 (I didn't
>even know they went that high), in a nice blue and white molded plastic
>case. The keyboard (kinda small) flipped open on hinges to reveal a
>9"display, and couple drives (I think there were two), and given the
>portables of the time it was reatively light! Was able to attempt a
>power-up but no display... Bummer at $15 It almost went for the VFC 2.0
>sale booth.. :)
>
>===================================================================
>
> Did some updating to the PET FAQ, some notes on how to program sound.
>including a table of the notes you can produce, a listing of the
>extremely small but useful tape2disk program, etc. Next probably will
>be PET memory maps (all three ROMs, orogonal upgrade and 4.0); I have
>been attempting this the lazy route of scanning them in, but the books I
>have all use such small point sizes that the OCR program has problems
>translating. I will try to use a copier to enlarge them someday soon.
>
> I have cleared space on one of my desks (my brother is now a proud
>owner of a complete Amiga 500 system, which of course, I will still have
>access to) to set up a PET after a few years without easy access to
>one. This PET (32k upgrade ROMs) needs some work as one program keeps
>locking it up, I suspect it may be one of the 6520s... It also needs to
>have the RAM checked (anyone know a source for 4116-4s?) Once I get
>comfortable working with this one I'll switch and see about getting the
>SuperPET running and also the original PET (which I really want to get
>to, as I now have an EPROM programmer to read the ROMs with.)
>
> Another recent arrival is a package from DigiKey of 10-12/24 edgeboard
>connectors, for making a PET joystick adaptor, a mini-networking project
>I've been thinking about, and I may try this 'PET composite Video
>Adapter' I have plans for to see if it actually does not work as Enrico
>has warned me...
>
> The PET shares space with a VIC-20 (also recently set-up) and maybe if
>I can squeeze it in, a Plus/4 too.. Then I would have a large portion
>of the Commodore 8-bit models runnable (C128, C-64,
>Plus/4, VIC-20, PET). Some of my plans would be to refine my disk
>collections and work up some menus and utilites for each of the machines
>(including some sort of standardized compression/archive utility).
>
> I am anxiously awaiting the new year as many more families upgrade
>their older systems to something more contemporary and take their older
>ones to yard sales, flea markets, and thrift shops (or maybe call me to
>take them off their hands.)... ;)
>
> Larry Anderson
>--
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Received on Thu Dec 18 1997 - 01:14:26 GMT