Pet Lovers?

Talk about non-Acorn classic computers/hardware/software here (including retro consoles)
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1024MAK
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Re: Pet Lovers?

Post by 1024MAK » Sun Dec 22, 2013 12:26 pm

@ Ed - nice :D 8)

Mark

PS - just be careful with your dusting :lol:
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KarateEd
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Re: Pet Lovers?

Post by KarateEd » Sun Dec 22, 2013 5:30 pm

1024MAK wrote:@ Ed - nice :D 8)

Mark

PS - just be careful with your dusting :lol:
That I shall Mark.....in spite of how robust it is, these are still static sensitive chips and if I would fry one then I'd have to cook up the fish as well and have fish and chips....sigh....sorry, couldn't resist it.

Ed......:-)
Last edited by KarateEd on Mon Dec 23, 2013 2:28 pm, edited 1 time in total.
Ed...... :-)

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jonb
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Re: Pet Lovers?

Post by jonb » Mon Dec 23, 2013 12:47 pm

Jealous, me? :cry:

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hoglet
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Re: Pet Lovers?

Post by hoglet » Mon Dec 23, 2013 1:41 pm

Here's a picture of our newly acquired PET in action...
P1020417.JPG
Dave

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KarateEd
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Re: Pet Lovers?

Post by KarateEd » Mon Dec 23, 2013 2:29 pm

Hmmm.....how do you program it?

Ed......:-)
Ed...... :-)

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hoglet
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Re: Pet Lovers?

Post by hoglet » Mon Dec 23, 2013 3:30 pm

KarateEd wrote:Hmmm.....how do you program it?

Ed......:-)
Using Cheese :lol:

Dave

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KarateEd
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Re: Pet Lovers?

Post by KarateEd » Mon Dec 23, 2013 5:48 pm

Yes, that code could be binding on the final outcome.....

Ed......:-)
Ed...... :-)

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george.h
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Re: Pet Lovers?

Post by george.h » Tue Dec 24, 2013 8:45 pm

Ah........ Sadly I had to let go of my collection of (I think) eight PETs, including 2001-8K (old ROM, scrabble keyboard), 3032, 4032, 8096 (curved case), 8296 (curved case), couple of others I can't remember. Plus 4040 dual disk unit, 8050 dual disk unit and 3023 tractor printer.

I ran out of space and got fed up dragging them after me every time I moved. The only thing that remains is one book I couldn't part with (see pics). Now the only pet I have space for is the "Ginger Terror" (my Master with SCSI hard disk hiding in the corner).

:wink:
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leenew
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Re: Pet Lovers?

Post by leenew » Wed Oct 03, 2018 5:04 pm

So... 5 years have gone by since Simes got his PET. :shock:
It just occurred to me, he never confirmed if he got her going again....
Simes, are you around?

Lee.

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vanpeebles
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Re: Pet Lovers?

Post by vanpeebles » Thu Oct 04, 2018 6:57 am

I've got an old PET that I saved from being skipped. Not really done anything with it, the last time it was powered up, the keyboard didn't work. It's a nice ornament though, and the screen glows reassuringly at night.


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jms2
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Re: Pet Lovers?

Post by jms2 » Thu Oct 04, 2018 11:00 am

That is beautiful! :D

First computer I ever used, at primary school. The inside of that machine was equally dusty, and that was in 1982 (ish)!

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jonb
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Re: Pet Lovers?

Post by jonb » Thu Oct 04, 2018 12:41 pm

I have two of the beasties. One's a 9" 4016 that I upgraded to 32k and the other is a 4032 "fat 40" that's been upgraded to 80 columns so it's at 8032 spec. Also has an additional 64k memory card (currently untested) that takes it to 8096 level. I use a small SD card based device called PetDISK to act as a floppy drive, but I also have an 8050 dual floppy drive unit (broken) and a 4022 printer (Epsom rebranded printer with a PETSCII character set), as well as the unobtanium cables to suit.

If you're interested..:
By the way, that main board with the drilled out RAM IC pads came from the factory like that. At the time, Commodore became aware that people were buying 16K PETs and upgrading them to 32K for less than the price of a 32K PET. In order to stop this, they took to drilling out the board where the upper RAM bank went.

Cheers
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Last edited by jonb on Thu Oct 04, 2018 12:53 pm, edited 4 times in total.

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vanpeebles
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Re: Pet Lovers?

Post by vanpeebles » Thu Oct 04, 2018 1:27 pm

jonb wrote:
Thu Oct 04, 2018 12:41 pm
I have two of the beasties. One's a 9" 4016 that I upgraded to 32k and the other is a 4032 "fat 40" that's been upgraded to 80 columns so it's at 8032 spec. Also has an additional 64k memory card (currently untested) that takes it to 8096 level. I use a small SD card based device called PetDISK to act as a floppy drive, but I also have an 8050 dual floppy drive unit (broken) and a 4022 printer (Epsom rebranded printer with a PETSCII character set), as well as the unobtanium cables to suit.

If you're interested..:
By the way, that main board with the drilled out RAM IC pads came from the factory like that. At the time, Commodore became aware that people were buying 16K PETs and upgrading them to 32K for less than the price of a 32K PET. In order to stop this, they took to drilling out the board where the upper RAM bank went.

Cheers
JonB
Interesting stuff, I notice mine has the stamped out holes where the ram is, that you talk about.

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jonb
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Re: Pet Lovers?

Post by jonb » Thu Oct 04, 2018 5:50 pm

I know, VP - that's why I mentioned it. Spotted the holes in the picture you posted.

So here's the thing. How hard would it be to upgrade your machine to 32k? I'm thinking sockets an prototyping wire...

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vanpeebles
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Re: Pet Lovers?

Post by vanpeebles » Fri Oct 05, 2018 6:55 am

jonb wrote:
Thu Oct 04, 2018 5:50 pm
I know, VP - that's why I mentioned it. Spotted the holes in the picture you posted.

So here's the thing. How hard would it be to upgrade your machine to 32k? I'm thinking sockets an prototyping wire...
Ah, I even read your last paragraph too :oops:

It sounds like a good project anyway, although I got a Duo, I need to finish recapping before I start anything else :lol:

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1024MAK
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Re: Pet Lovers?

Post by 1024MAK » Fri Oct 05, 2018 9:50 pm

jonb wrote:
Thu Oct 04, 2018 5:50 pm
I know, VP - that's why I mentioned it. Spotted the holes in the picture you posted.

So here's the thing. How hard would it be to upgrade your machine to 32k? I'm thinking sockets an prototyping wire...
Piggyback extra DRAM chips on top of the existing DRAM chips. Then add wires so that the top bank of chips is correctly selected.
Or unplug the CPU, then plug in an expansion board like this one.

Mark
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Re: Pet Lovers?

Post by jonb » Sat Oct 06, 2018 8:09 am

Piggybacking is pretty old school hackery, Mark - I approve. :D

I recall doing this with a TRS-80 that a friend of mine owned. We ended up with a RAM bank stacked four chips high but it worked. I'd not have liked to have repaired it if one of the chips ever failed though..

Ah yes, the PET RAM/ROM card - useful bit of diagnostic kit.
Last edited by jonb on Sat Oct 06, 2018 8:10 am, edited 1 time in total.

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