On Mon, 22 Jun 98 20:09:11 GMT, rbaltissen@wxs.nl wrote:
>Hallo allemaal,
>
>I received a pricelist of a company in the USA, "The Vintage Computer" in
>El Cajon, Calefornia. They sell REUs (1700) for $25.- which I consider not
>expensive. Who knows more about this firm (www.vintagecomputer.com)?
>
>>> 1) Who can give me some more specifications about the 8520 in this device?
>>
>> At least the pinout is same. I heard from friend about direct replacing 8520
>> by 6526B. If that true, then go to www.funet.fi into pub/cbm/documents/chips
>> dir and DL the 6522.zip and 6526html.zip. I'm working on HTML version of 6522
>> data sheet, but only the raw text and tables are done. The HTML will be full
>> size with timing diagrams.
>
>Thanks for all the answers. Is this 8520 available for sale? If so, it
>should be possible to build one your self as all the other parts are
>available, including the drive. If not, can it be replaced by the 6526A? I
>think/fear the answer is NO just because of those registers....
>
>> Hey! Where you moved your homepage?
>
>No, they throwed it away as part of merging operation. I haven't found the
>time yet to set up the new one. Even worse, I'm thinking about having none
>at all for three reasons:
>1- It cost me a lot of time to answer all the mails I receive in response
>to it. Most of them don't even concern my projects and documents :-(
>2- Maintanance costs a lot of time
>3- If everything is allright I soon get an emailaddress and a connection
>to Internet just for free from my computerclub. If this works out fine,
>why pay a lot of money if you can have it for free.
>
>The problem is of course that there are still people around interested in
>my documents, projects and in what I'm doing. All of them are free so if
>someone of you is interested, I'll send him the DOC (HTML). You may use
>how you like it, even use it for your own documents.
>
>
>Hallo Ethan,
>
>> I recently aquired an IDE interface for my C64 (IDE64). It seems to
>> work fine, but there appears to be a problem with the built-in speed
>> loader in an SX-64. I know the kernel ROMs are different, the question
>> here is, does anyone know the differences bettween a real 1541 and the
>> drive embedded in the SX? I haven't yet torn it open to look because it's
>> a pain in the ass. If someone knows off the top of their head, great;
>> otherwise, I'm going to have to tear my SX open.
>
>As far as I know the 1541 in the SX is the same as a normal one. I rather
>would say that, if any trouble at all, the cause is in the ROMs of the SX
>as they do differ from the normal C64s.
>
>> As for the IDE64, it's pretty slick. The IDE part worked the first time
>> I plugged it in. I'm using an HP "Kittyhawk" 1.3" 20Mb IDE drive with it.
>
>So if I understand you well, this is a interface to connect an IDE-drive to a
>C64. What kind of hardware does it use? Can it be re-engineered? Just
>curiousity :-)
>
>> The drive is a fraction of the size of the interface! This drive is smaller
>> than most cell-phone batteries.
>
>??? I don't what kind of batteries you use but even a 2.5 inch HD is
>bigger then a penlight. So this puzzles me.
>(The problem with foreign languages is that you cannot see if someone is
>making a joke)
>
>About the IDE-interface. Someone of you mentioned one some weeks ago. This
>is a interface used by a CoCo (a kind of Tandy-computer??? sorry, I forgot
>(no joke)) I also have one for a XT-PC which looks alike. Two weeks ago I
>bought one and it only containd one PAL so there is a good change to
>re-engineer this one too if necesary.
>
>Groetjes, Ruud
>
>
>-
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--
Sami Rautiainen
devili@iki.fi .. out of sight - out of mind
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