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  • falter's Avatar
    Today, 11:07 AM
    Thanks muchly for that! It means a lot. I've always been a bit camera shy so sticking myself in there wasn't easy. The camera for about 90% of...
    35 replies | 1763 view(s)
  • falter's Avatar
    Yesterday, 04:47 PM
    Okay, so here is the 'finished' product. It's unlisted for now while I mull it over some more, but feel free to check out and comment. I'm not...
    35 replies | 1763 view(s)
  • falter's Avatar
    Yesterday, 12:29 PM
    Posted on osiweb and just copying here for OSI eyeballs that aren't on that forum: ...
    0 replies | 45 view(s)
  • falter's Avatar
    January 24th, 2020, 05:50 PM
    falter replied to a thread SoC MK14 in Other
    Also - I read this in a post on vintage-radio.net: Does that mean I cannot simply swap the original monitor ROMs back into place? There's a...
    14 replies | 362 view(s)
  • falter's Avatar
    January 24th, 2020, 05:44 PM
    falter replied to a thread SoC MK14 in Other
    It arrived yesterday safe and sound and unsmashed (always a bonus!). Still amazed I have one, and that it works! I was initially panicked because...
    14 replies | 362 view(s)
  • falter's Avatar
    January 23rd, 2020, 07:01 PM
    falter replied to a thread Conrac(?) Terminal? in Other
    Thanks! I'm not sure if we can say 100% that it's a Conrac, can we? The sticker is on the CRT tube, and I understand Conrac often just made...
    8 replies | 155 view(s)
  • falter's Avatar
    January 22nd, 2020, 07:21 PM
    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 ...
    0 replies | 55 view(s)
  • falter's Avatar
    January 22nd, 2020, 06:12 PM
    falter replied to a thread Conrac(?) Terminal? in Other
    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...
    8 replies | 155 view(s)
  • falter's Avatar
    January 22nd, 2020, 02:58 PM
    falter started a thread Conrac(?) Terminal? in Other
    Picked this up. I love huge terminals with those tiny, weird aspect ratio screens. ...
    8 replies | 155 view(s)
  • falter's Avatar
    January 21st, 2020, 10:28 PM
    Here is some info from a Department of Commerce on Videotex: Cardinal Technologies. Videotex terminals are manufactured and sold by Cardinal...
    26 replies | 1097 view(s)
  • falter's Avatar
    January 21st, 2020, 09:59 AM
    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...
    53 replies | 2917 view(s)
  • falter's Avatar
    January 20th, 2020, 11:32 PM
    I see our friend vintagecomputermuseum got his hands on one: ...
    26 replies | 1097 view(s)
  • falter's Avatar
    January 20th, 2020, 10:11 PM
    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...
    53 replies | 2917 view(s)
  • falter's Avatar
    January 20th, 2020, 12:46 PM
    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...
    35 replies | 1763 view(s)
  • falter's Avatar
    January 19th, 2020, 11:17 AM
    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...
    35 replies | 1763 view(s)
  • falter's Avatar
    January 19th, 2020, 10:59 AM
    Did my second attempt at an animation for part of my video about the OSI generating tones:...
    35 replies | 1763 view(s)
  • falter's Avatar
    January 15th, 2020, 01:48 PM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 15th, 2020, 09:09 AM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 15th, 2020, 08:37 AM
    falter replied to a thread SoC MK14 in Other
    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...
    14 replies | 362 view(s)
  • falter's Avatar
    January 14th, 2020, 12:44 PM
    falter replied to a thread SoC MK14 in Other
    Thank you for that very helpful post! Yes I've heard some uncomplimentary things about the MK14 keypad. Apparently it makes the ZX80 keyboard...
    14 replies | 362 view(s)
  • falter's Avatar
    January 13th, 2020, 04:40 PM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 13th, 2020, 01:32 PM
    falter started a thread SoC MK14 in Other
    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...
    14 replies | 362 view(s)
  • falter's Avatar
    January 13th, 2020, 01:16 PM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 13th, 2020, 11:58 AM
    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...
    11 replies | 300 view(s)
  • falter's Avatar
    January 13th, 2020, 09:53 AM
    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...
    11 replies | 300 view(s)
  • falter's Avatar
    January 12th, 2020, 08:08 PM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 12th, 2020, 08:02 PM
    falter replied to a thread Osi c4p in Other
    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...
    103 replies | 3082 view(s)
  • falter's Avatar
    January 12th, 2020, 01:01 PM
    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...
    0 replies | 157 view(s)
  • falter's Avatar
    January 12th, 2020, 12:59 PM
    Let me know if you ever come up with any loose expansion units. I have two Mindset but no disk drives. :)
    6 replies | 247 view(s)
  • falter's Avatar
    January 12th, 2020, 11:45 AM
    falter replied to a thread Osi c4p in Other
    Am re-reading. And re-reading. It's taking a little while to sink in, but I think I have the gist of it.
    103 replies | 3082 view(s)
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About falter
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Recent Entries

MPI 360k won't read/write

by falter on August 17th, 2019 at 11:18 AM
Quote Originally Posted by Chuck(G) View Post
I can't say that for certain. The head assembly is a complex system. The only way to have an inkling is to use something like IMD and check each head individually.
IMD says RPM are 272... should be 300 right?
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74LS244 Question

by falter on December 5th, 2018 at 01:21 PM
Quote Originally Posted by Chuck(G) View Post
Assuming that pin 1 stays high, it should be possible to "feed through" pin 8 to pin 12. But the solution ultimately will be figuring out why pin 1 stays high.
Yeah that is is the goal for sure. I just want to prove out my theory a bit. After the experience with the TVT I don't trust schematics or circuit descriptions 100%. I did try feeding through but didn't see any text appear... although I didnt type anything so maybe it would only change new text being added. I'm

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The Ebay Follies

by falter on June 25th, 2017 at 11:09 AM
All hail the $3000 Apple II+!

http://www.ebay.com/itm/142424958928
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