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  • nikola-wan's Avatar
    April 17th, 2018, 08:06 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Roland, I have a fork of the emulator master branch - https://github.com/mmcgraw74/Tek405xEmulator I will create a different folder for each...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 16th, 2018, 03:44 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Dave, Maybe it would be interesting to 'plug' Jos's 4052 Diagnostic ROM into the 4052 emulator and let it run the emulator looking for problems. ...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 16th, 2018, 08:49 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I added Tektronix keys to the emulator layout - to address the difference in location of punctuation characters and moved PAGE and BREAK to that key...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 16th, 2018, 04:45 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Wow - a READ statement defaults to getting DATA from a DATA statement - looks pretty harmless. Maybe you still have a bad RAM and the read got an...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 16th, 2018, 04:39 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Roland, did you put a Control-E as the first character of the CALL "EXEC" command? Thats what I see in the article on the 4052A assembler. ...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 08:12 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Roland, In one of my earlier posts in this thread - I found a Tekniques article indicating a 4052A/4054A assembler program written by Tektronix -...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 07:57 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I edited all the files in a folder that is a copy of the Tektronix System Tape. I changed the control characters to Character BackSpace Underline....
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 09:57 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I found a file describing the operation of the CALL "EXEC" command with an example of how to change a SECRET program back to normal! EXAMPLE:...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 07:19 AM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, I decided to try to make a 3D printed overlay label with raised letters according to your photo in the PDF. It should be easy to print and...
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    13 replies | 373 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 05:30 AM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, Cool lettering on the inside of the base of the Diagnostic ROM case. I can barely see it though the case in your photo - cool! Did you...
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    13 replies | 373 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 05:23 AM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, If you haven't seen it - the latest Tektronix 4051 emulator program from Dave and Jon is really working quite well:...
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    13 replies | 373 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 05:01 AM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, I got the ftp site to download by using an Internet Download Manager. I would like to purchase one tested PCB. I'll print my own case -...
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    13 replies | 373 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 04:49 AM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, I'm having problems downloading any of the files on your ftp site. I can list the directory but get permissions errors on file download. ...
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    13 replies | 373 view(s)
  • nikola-wan's Avatar
    April 15th, 2018, 04:18 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Dave, The programs are full of control characters - I'll go through and sanitize them by converting the control characters to...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 14th, 2018, 02:14 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, I like the new look of your latest changes. The PLOT50 tape has 105 files. It would need the emulator GPIB utility to support FINDing a...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 13th, 2018, 05:16 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I got some tips from a javascript developer at work and changed the graphics buttons to DIVs, and made a pull request. Monty
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 12th, 2018, 06:50 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon and Dave, with all the updates to the emulator - I think we can update the README to indicate it is now Beta level or better - certainly not...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 12th, 2018, 06:44 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon and Dave, with all the updates to the emulator - I think we can update the README to indicate it is now Beta level or better - certainly not...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 11th, 2018, 10:13 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, I just made a new pull request. I fixed an bug in Display.js that I caused when modifying the vector code to remove the negative offsets. I...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 11th, 2018, 08:29 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, You can appreciate this cartoon about using GITHUB: Monty
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 10th, 2018, 06:57 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, I updated the js...html and Display.js files and created a new pull request. I changed the height to enable viewing of the Full screen...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 10th, 2018, 06:15 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Ok - I had to tweak the vertical from 780 to 814 to see the blinking F for full screen. Here is a 'copy' of the screen. 1 is on the normal top...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 10th, 2018, 05:42 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, On your 4052 - when you have a full screen condition - is the blinking F on the top line of text - or one line above that? If above - we...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 10th, 2018, 04:51 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I just enabled the edit keys and made a new Pull request. Enabled Edit Key codes in Keyboard.js Fixed jsTEKTRONIX4051.html scan code for Recall...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 8th, 2018, 03:09 PM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I had issues trying to load the PARANOIA floating point analyzer program into the emulator (after it was edited in Notepad++) - kept getting "No...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 8th, 2018, 10:54 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I believe the format of Tektronix 4051 floating point took 8 bytes for storage - from looking at the bitsavers 4051 source code microfiche listings. ...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 8th, 2018, 07:31 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Updates posted on my fork of the emulator and made PULL request against your master. Here is a link to my fork: ...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 6th, 2018, 04:35 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    I found the Tek 4051 FPMATH code entry point in the 4051 source code microfiche DIM-GRAF If the 4052 FP microcode instructions were intended to...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 6th, 2018, 04:28 AM
    nikola-wan replied to a thread Tek 405x web-browser emulator in Other
    Jon, I deleted my previous fork of the emulator, forked from your posted emulator drop last night so I could update that code on my fork to...
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    90 replies | 2856 view(s)
  • nikola-wan's Avatar
    April 5th, 2018, 05:44 PM
    nikola-wan replied to a thread Tektronix 4052/54 diagnostic ROM pack remade. in Other
    Jos, I can try to design a case for your diagnostic PCB. Are the mounting holes in your first picture, the same spacing as a standard Tektronix...
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    13 replies | 373 view(s)
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About nikola-wan

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About nikola-wan
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I have a Tek 4052 and 4054

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