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  1. This looks a lot like a Compucolor keyboard

    I really hope this didn't go the keyboard goons:

    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F124055410096

    It sure looks a lot like the Compucolor 8001...
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    I think there are two of those fans! ...

    I think there are two of those fans!

    From.the 'custom' label I get the impression this is a special purpose built thing.. whatever it is. It does seem, with those cards considered, to have more...
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    Conrac(?) Terminal?

    Picked this up. I love huge terminals with those tiny, weird aspect ratio screens.

    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F233466375119

    Only labeling I...
  4. Here is some info from a Department of Commerce...

    Here is some info from a Department of Commerce on Videotex:

    Cardinal Technologies. Videotex terminals are
    manufactured and sold by Cardinal Technologies, a small firm
    in Lancaster, Pennsylvania...
  5. Thread: Adding NOPs

    by falter
    Replies
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    2,697

    Thanks Chuck! I am getting more into it.....

    Thanks Chuck!

    I am getting more into it.. that's one positive side effect of this video I've been working on - learning more about 6502 programming and figuring out why something works or doesn't....
  6. I see our friend vintagecomputermuseum got his...

    I see our friend vintagecomputermuseum got his hands on one:

    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F193305880805

    BTW: These aren't NAPLPS capable are...
  7. Thread: Adding NOPs

    by falter
    Replies
    53
    Views
    2,697

    So I realized after doing the initial attempt...

    So I realized after doing the initial attempt that I forgot to set the reset vector to 0000 (doh!). So I reentered again, this time *with* the reset vector, but all I got was a solid tone. So I...
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    I don't know what it is but I'm having a very...

    I don't know what it is but I'm having a very hard time getting this Snowball mic to record consistently. Or maybe it's me. :) It just seems to have a different.. what's the word.. tone? Every time...
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    Yeah that's not how I remembered it either! I...

    Yeah that's not how I remembered it either! I actually borrowed a public domain recording of it to demonstrate the hoped for output, as I had completely forgotten how the tune went.

    If the input...
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    Did my second attempt at an animation for part of...

    Did my second attempt at an animation for part of my video about the OSI generating tones: https://www.youtube.com/watch?v=fKfMVuWestU&feature=youtu.be

    It's lame, but I'm proud of it because I...
  11. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    I'm trying to learn programming and was advised...

    I'm trying to learn programming and was advised it was best to refresh on BASIC before going to something a bit more complex like assembly.

    I'm trying to program a simple tank shooter game for the...
  12. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    The airport is still fogged in Dave, although I...

    The airport is still fogged in Dave, although I think I see the tower in the distance. :)

    Btw, I got this from the creator of WinOSI over on the osiweb forum:



    So it appears the behavior of...
  13. Thread: SoC MK14

    by falter
    Replies
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    236

    Not bad since prior to about 5 years ago I had no...

    Not bad since prior to about 5 years ago I had no idea there *was* a British computer collection to be had, apart from the ZX81 doorstops! It's smallish but decent - I have a ZX80, ZX81, North...
  14. Thread: SoC MK14

    by falter
    Replies
    9
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    236

    Thank you for that very helpful post! Yes I've...

    Thank you for that very helpful post!

    Yes I've heard some uncomplimentary things about the MK14 keypad. Apparently it makes the ZX80 keyboard look like a Model M.

    I did read that there were...
  15. Thread: Osi c4p

    by falter
    Replies
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    2,600

    This is all making sense except for the angles...

    This is all making sense except for the angles thing. I'm not understanding how angles relative to 360 degrees get involved.. is that in relation to the physical properties of the CRT itself? Sorry...
  16. Thread: SoC MK14

    by falter
    Replies
    9
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    236

    SoC MK14

    This Christmas I did a bit of a purge and raised about $1000US to put towards something 'new'. So I bid on and managed to win a rare US-located original MK14!
    ...
  17. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    Yes, that's exactly what is happening. And even...

    Yes, that's exactly what is happening. And even the WinOSI emulator does the same thing. If you want a 'blue' tank, you'll get a blue tank, but the background around it in the 'square' it occupies...
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    I know sockets have their failings but I've...

    I know sockets have their failings but I've really come to hate manufacturers that don't socket failure prone ICs like RAM. For me, it makes diagnosis and repair such a nightmare.
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    Yeah personally I would check RAM. I saw your...

    Yeah personally I would check RAM. I saw your post on reddit.. my Hazeltine was going crazy like that. In my case it was one of the address decoder chips causing the machine to flood with garbage. ...
  20. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    I just ran the same program in the WinOSI...

    I just ran the same program in the WinOSI emulator and yeah, it appears that the background is dark blue. So maybe the manual is wrong and you can't get a coloured character/symbol with black...
  21. Thread: Osi c4p

    by falter
    Replies
    103
    Views
    2,600

    Question for viewers. If you look at Terry's...

    Question for viewers. If you look at Terry's post here, would you say the background color of the X he printed there is black, or blue?

    The manual says the following about inverted colours: "An...
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    Big PET Hoard on Ebay

    Didn't see any posts about this (doesn't say much - the forum search doesn't appear to be working), but here is a good start at becoming a PET hoarder:
    ...
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    Let me know if you ever come up with any loose...

    Let me know if you ever come up with any loose expansion units. I have two Mindset but no disk drives. :)
  24. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    Am re-reading. And re-reading. It's taking a...

    Am re-reading. And re-reading. It's taking a little while to sink in, but I think I have the gist of it.
  25. Thread: Osi c4p

    by falter
    Replies
    103
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    2,600

    Thanks Dave! Hope your business trip was more...

    Thanks Dave!

    Hope your business trip was more exciting than my non-business trip here. :)

    Terry's picture is from a real machine. It's from his blog that I posted earlier. I figured best to...
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