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  1. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Oh it'll probably be on the video I've been...

    Oh it'll probably be on the video I've been working on! Assuming I ever finish it. I did a final cut but just felt like I wanted to show more of what the 300 could pull off. I'm figuring out the...
  2. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Ahhhhhh.. thank you Dave! I just wasn't...

    Ahhhhhh.. thank you Dave! I just wasn't understanding why you'd load a memory address in when you hadn't given it any value.

    Ok.. I will try to write something and see if I can get a few notes...
  3. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    I did! I didn't even have it that high to begin...

    I did! I didn't even have it that high to begin with. It was just a very sharp tone.

    I'm slowly picking up on programming this thing. I think I will make it a project to try and get a few...
  4. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Wow that was loud. :) ...

    Wow that was loud. :)

    https://youtu.be/pWp5ExhUF5U

    So yeah, my hunch was right. I tried another run with my Realistic, and zippo. But then I brought out my parents' wedding present Sony...
  5. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    I was reading up online about the stereo.. it...

    I was reading up online about the stereo.. it says something about it being 'digital synthesized'. Not sure if that's relevant. Can't find anything on what exactly that means. It's a Realistic...
  6. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Yes, I finger tested the amp, and it was quite...

    Yes, I finger tested the amp, and it was quite pronounced. So I think that is working ok.

    Regarding the scope, and please forgive my ignorance, but I can see 'waves' in close formation off the...
  7. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Heh. Did I mention I got a grant pass in math?...

    Heh. Did I mention I got a grant pass in math? :) I literally go almost dyslexic with this stuff. Thank you for clarifying.

    Okay. Hmm... I think what I'll try then is using a period correct...
  8. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Thanks guys. I will try to scope this. I'm...

    Thanks guys. I will try to scope this. I'm still trying to understand what they're telling me:

    "This loop takes 14 machine cycles to execute. The model 300 has a machine cycle time of two to...
  9. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Thanks guys! Ok I will try adding a ton more...

    Thanks guys! Ok I will try adding a ton more NOPS. Those switches are murder on the fingers. I was trusting the manual. I didn't pick up even the tiniest change in sound or pitch.. was dead...
  10. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    Another possibility I suppose is that the stereo...

    Another possibility I suppose is that the stereo I'm using is not suited.. it's an early 90s Realistic unit.. think it might be digital. I do have a circa 1973 Sony deck I could try?
  11. Thread: Adding NOPs

    by falter
    Replies
    40
    Views
    622

    So I finally got around to trying the program,...

    So I finally got around to trying the program, and modified it for the required NOPs as thus (left column is address, right column is OP code/data:



    00 AD
    01 00
    02 02
    03 EA
    04 EA
    05 EA
  12. I get there can be some upside to having an...

    I get there can be some upside to having an online account. I just feel like I'm overexposed as it is, and after several major breaches I'm committed to not giving Big Tech any more of my info than...
  13. Microsoft reeeeaaaallly wants to stamp out local user accounts

    Just clean installed Win 10 1909 and, yup, they yanked the Local Account option. Knew this was coming, of course. Microsoft seems to have a pattern - first they introduce something that benefits...
  14. Replies
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    That's kind of funny, in a way, that the owners...

    That's kind of funny, in a way, that the owners (taxpayers) of a public broadcaster (BBC) have to fear copyright lawsuits for using material they paid to produce. At least, if BBC is funded the same...
  15. Thread: Microkit 8/16

    by falter
    Replies
    29
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    618

    Nevermind.. just got a note back from the seller....

    Nevermind.. just got a note back from the seller. I had asked them about that plug attached to the keyboard and apparently that *is* for composite video out, not tape. So scratch that.
  16. Thread: Microkit 8/16

    by falter
    Replies
    29
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    618

    In one of my photos on google drive there is what...

    In one of my photos on google drive there is what looks like an earphone plug. It is attached to the keyboard cable. I thought it was for video.. maybe that is what it is for?
  17. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    Question - this Microkit has DIN ports on the...

    Question - this Microkit has DIN ports on the back for connecting the tape drives... were these connections for tape recorders standardized way back when? Or am I gonna have to figure out which pin...
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    569

    Audio is not a problem.. nothing I do would...

    Audio is not a problem.. nothing I do would require anything but the royalty free kind, and I've found YouTube's own selection to be adequate, although I do wonder why the people producing it often...
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    Thanks NEXT! The fair use (or fair dealing up...

    Thanks NEXT!

    The fair use (or fair dealing up here in Canada) is a bit intimidating. I've watched a lot of videos with newspaper or magazine clippings or even short snippets of TV ads and the...
  20. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    I tried another experiment - removing the...

    I tried another experiment - removing the bootstrap ROM entirely. The first time I powered up, I got ? marks, and on reset got random stuff being automagically 'typed' onscreen. Second and third...
  21. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    With all cards out, I get a screen full of...

    With all cards out, I get a screen full of question marks. The enabled button still turns off on reset, but there's no action on the screen. I added in the RAM cards one by one, same thing, until I...
  22. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    Hi Dave, I actually posted a youtube video...

    Hi Dave,

    I actually posted a youtube video showing everything but what happens if the memory boards are removed in a previous post.. hopefully it is easy enough to follow. On power up, there is a...
  23. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    Thanks Dave. I'll check those pins out.. when...

    Thanks Dave. I'll check those pins out.. when you say 'boot' are you referring to the load switch?

    I wonder if this bootstrap leader is just like my digital group 8080 loader... minus the...
  24. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    There's a schematic of the CPU board here...

    There's a schematic of the CPU board here... unfortunately this is after the Genrad/futuredata takeover and the board is being used in some other device. No mention of the 8/16 or boot or anything...
  25. Thread: Microkit 8/16

    by falter
    Replies
    29
    Views
    618

    I'm also curious why all the memory boards except...

    I'm also curious why all the memory boards except one have one jumper strap? The last one has two. I'm assuming that's nothing nefarious - just some method for telling the computer that's the last...
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