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  • RobS's Avatar
    Yesterday, 06:10 AM
    RobS replied to a thread Basic interpreter in Tandy/Radio Shack
    In fact I would say that it's essential that one does. In the days of eight bit processors I think the 6809 was the favourite for running Forth...
    13 replies | 271 view(s)
  • RobS's Avatar
    Yesterday, 04:32 AM
    Actually after forty to fifty years the phenol has pretty much dried out, so it's not a problem, even with my crates containing over a thousand...
    154 replies | 34135 view(s)
  • RobS's Avatar
    Yesterday, 01:20 AM
    Chuck: Thanks for your remarks, but they aren't really applicable to my situation. For my machine to be regarded as being in the style of the...
    4 replies | 90 view(s)
  • RobS's Avatar
    March 18th, 2019, 08:03 AM
    It looks like the Teensy 3 is intended to operate on 3.3 volt signals and my logic needs the full 5 volts where the Arduino is acting as a current...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 18th, 2019, 04:23 AM
    RobS replied to a thread Basic interpreter in Tandy/Radio Shack
    My first complete computer was a Sharp MZ80A with 48k bytes of memory. I had played with microprocessors when they came out years before though....
    13 replies | 271 view(s)
  • RobS's Avatar
    March 18th, 2019, 03:43 AM
    RobS replied to a thread Vintage years. in General Off Topic
    It's funny that you should mention that. One of my responsibilities during Y2K was to work with a member of the company's accounts department on...
    7 replies | 144 view(s)
  • RobS's Avatar
    March 18th, 2019, 02:51 AM
    RobS replied to a thread Vintage years. in General Off Topic
    I also worked on Y2K at my company and I think I was the only person to discover a Y2K problem in a software package supplied by an outside company...
    7 replies | 144 view(s)
  • RobS's Avatar
    March 18th, 2019, 02:12 AM
    In my Honeywell 200 replica project I have a problem that might need my design to sail close to the wind. I am using original Honeywell logic ICs...
    4 replies | 90 view(s)
  • RobS's Avatar
    March 18th, 2019, 12:45 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    Ah yes, I see. I use the original Honeywell 200 pin identifiers, so A3J-22 is zone A column 3 row J block 2 pin 2. It’s actually a very easy way to...
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 17th, 2019, 10:05 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    Thanks for that. In the creative writing forum to which I regularly subscribe I have awards for over a thousand LOLs and over a thousand Likes and if...
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 17th, 2019, 09:51 AM
    Well, why should I worry? Mine is officially rated for 220 volts operation, but the UK supply is 230 volts +10% -6%, and often 240 volts in practice,...
    52 replies | 9247 view(s)
  • RobS's Avatar
    March 17th, 2019, 04:55 AM
    Okay, here’s a quick progress report as I need to get ready for our Sunday lunch soon. (Waistcoat and tie of course, full English roast with wine,...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 17th, 2019, 04:16 AM
    Maybe it's a problem specific to the UK on this site then Dave. That's ironic given that we're just celebrating the thirtieth anniversary of the...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 17th, 2019, 03:52 AM
    By the way, looking closely at the picture on that Amazon page, the S-993A depicted does have the Gaojie label on it the same as mine, so I don't...
    52 replies | 9247 view(s)
  • RobS's Avatar
    March 17th, 2019, 03:37 AM
    I don't think the problem is the editor itself but the fact that the site seems to think that I'm inactive while I'm typing on it, so logs me out. I...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 17th, 2019, 01:12 AM
    I bought an S-993A made by Gaojie a few weeks ago and have tried it out on a few ICs on a PCB with plated through holes. It does the business okay...
    52 replies | 9247 view(s)
  • RobS's Avatar
    March 17th, 2019, 12:42 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    Damn! While I was typing my response the site logged me out and then hung when I logged back in, so I lost all my text permanently with no autosave....
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 16th, 2019, 05:08 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    I included A3J-22 in this example just to illustrate what happens when one needs to make a change later. My project is really a very elaborate...
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 16th, 2019, 03:16 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    The easiest way for me to explain the daisy-chain problem is to show virtual examples using my wirewrap documentation application. The real examples...
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 15th, 2019, 01:21 AM
    Back as promised. However, I am having serious trouble with this website and have just irretrievably lost the substantial post that I typed, so will...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 14th, 2019, 10:46 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    They sound more like a bed of nails than even my backplanes and as the pins on those do have bevelled ends I have to use a mat to protect my hand...
    59 replies | 2154 view(s)
  • RobS's Avatar
    March 14th, 2019, 10:40 AM
    Gosh, it's now a year since I last posted to this thread. I'm so busy working on this project that I haven't even found the time to update my website...
    154 replies | 34135 view(s)
  • RobS's Avatar
    March 14th, 2019, 09:30 AM
    RobS replied to a thread Wire wrap in Minis and Mainframes
    My attempt to build a replica of a Honeywell 200 computer is my first wire-wrapping project, so I hope that I'm getting it right. Certainly so far...
    59 replies | 2154 view(s)
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About RobS

Basic Information

Age
74
About RobS
Biography:
Only ever worked for one company in the life assurance and pensions business, starting out as an actuarial student but soon moving over to I.T. Did every aspect of software development from machine code programming with punched cards to business analysis and corporate data modelling for relational database design.
Location:
Kent, England
Interests:
Electronics, walking, charities and the occasional disco
Occupation:
Retired I.T. bloke

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Rob - http://www.honeypi.org.uk
The Internet is a winch to get your project off the ground ... but always have a parachute handy.

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September 28th, 2012
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