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jeffpar
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jeffpar
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February 7th, 2015
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August 6th, 2019
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nikola-wan
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March 1st, 2021,
06:24 PM
nikola-wan
replied to a thread
Tektronix 4907 Floppy Drive
in
Other
Jos, I pulled out the Tektronix 4907 ROM board 74S471 patch PROM and adapted my Arduino 4907 ROM Dump program to dump the contents. Does this...
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27 replies | 2967 view(s)
February 28th, 2021,
02:16 PM
nikola-wan
replied to a thread
Tektronix 4907 Floppy Drive
in
Other
Hmm, I thought that I captured the image of each EPROM with it and the Patch ROMs installed on the 4907 memory board, so we wouldn't need the...
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27 replies | 2967 view(s)
February 27th, 2021,
05:50 PM
nikola-wan
replied to a thread
Tektronix 405x GPIB Flash Drive
in
Other
Making progress on my 405x Tape Emulator with the help of the AR488 software author. Here is a photo of my Pololu 328PB Micro board mounted to a...
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31 replies | 5841 view(s)
February 27th, 2021,
05:47 PM
nikola-wan
added 5 photo(s) to album
Tektronix 405x GPIB Tape Emulator
February 27th, 2021,
05:25 PM
nikola-wan
created an album
Tektronix 405x GPIB Tape Emulator
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February 22nd, 2021,
11:27 AM
nikola-wan
replied to a thread
Tektronix 4041 computer from the early 1980's - WORKING!!
in
Other
I have created a Console Commander folder on my github repository for the Tektronix 4041 computer: ...
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32 replies | 4360 view(s)
February 21st, 2021,
07:28 PM
nikola-wan
replied to a thread
Adventure game for the Tektronix 4041 computer
in
Other
I finished my single-file Adventure for the 4041 and fixed the SAVE/RESTORE over serial. But I couldn't stop at having a single file Adventure,...
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2 replies | 174 view(s)
February 21st, 2021,
06:45 PM
nikola-wan
added 7 photo(s) to album
Tektronix 4041 Computer
February 21st, 2021,
06:45 AM
nikola-wan
replied to a thread
Tektronix 4052/54 diagnostic ROM pack remade.
in
Other
I see I never updated THIS thread with my latest Tektronix Diagnostic ROM BASIC program to list not only the system ROM CRCs with two or four Option...
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32 replies | 5975 view(s)
February 21st, 2021,
05:57 AM
nikola-wan
replied to a thread
TransEra 764-RAM Auxiliary Memory for Tektronix 4052/4054 Computers
in
Other
Jos, Great work again! I can't wait to test it!
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20 replies | 1930 view(s)
February 21st, 2021,
05:44 AM
nikola-wan
replied to a thread
Tek 405x web-browser emulator
in
Other
The only ROM info I can find is the 4052A/4054A ROM entry point table starting on page 85 of the 4052A Assembler doc: Tektronix...
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264 replies | 31561 view(s)
February 20th, 2021,
05:10 PM
nikola-wan
replied to a thread
Tek 405x web-browser emulator
in
Other
I thought my upload of the 4052 microcode source (starting on page 13 - pdf page 17) from the 4052/4054 system text fixture docs would be helpful? ...
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264 replies | 31561 view(s)
February 20th, 2021,
08:20 AM
nikola-wan
replied to a thread
Tek 405x web-browser emulator
in
Other
Dave, Any progress on your 4052 Emulator? Monty
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264 replies | 31561 view(s)
February 14th, 2021,
08:47 PM
nikola-wan
replied to a thread
Adventure game for the Tektronix 4041 computer
in
Other
I completed my work to create a single Tektronix 4041 BASIC program with all the Adventure files included - no need for mass storage like tape,...
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2 replies | 174 view(s)
February 13th, 2021,
05:38 PM
nikola-wan
replied to a thread
Tektronix 4041 Thermal Printer repair - may also work on AIM-65 thermal printer
in
Other
I got the replacement 75451B open collector buffer - and when I pulled the right cover off I saw the 4041 buffer was cracked and had a hole in the...
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6 replies | 713 view(s)
February 11th, 2021,
12:35 PM
nikola-wan
replied to a thread
Tektronix 4041 computer from the early 1980's - WORKING!!
in
Other
Thank you!
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32 replies | 4360 view(s)
February 10th, 2021,
06:50 AM
nikola-wan
replied to a thread
Tektronix 4041 computer from the early 1980's - WORKING!!
in
Other
Jos, I tried the Tek4010, but it doesn't work with the EZ-TEST program which requires the color 4100 series terminals as shown in the first...
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32 replies | 4360 view(s)
February 9th, 2021,
06:31 PM
nikola-wan
replied to a thread
Tektronix 4041 computer from the early 1980's - WORKING!!
in
Other
I received my order for the ATOM Hat, which brings out the power and IO pins of the ATOM to a header. I cut one trace on the ATOM Hat PCB and...
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32 replies | 4360 view(s)
February 8th, 2021,
03:06 PM
nikola-wan
replied to a thread
Tektronix 4041 Thermal Printer repair - may also work on AIM-65 thermal printer
in
Other
More debug work on my 4041 printer - root cause the 75451B open-collector buffer on the FIRE-1 signal, which activates the printer motor when open...
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6 replies | 713 view(s)
February 7th, 2021,
11:03 AM
nikola-wan
replied to a thread
Tektronix 4041 Thermal Printer repair - may also work on AIM-65 thermal printer
in
Other
My 4041 thermal printer stopped working, so I started repair work on it this weekend. Since the motor didn't move at all, I first removed the...
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6 replies | 713 view(s)
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About jeffpar
Basic Information
About jeffpar
Biography:
Software developer preserving and emulating old software in browsers; also sometimes eating a doughnut
Location:
Seattle, WA
Interests:
pcjs.org
Occupation:
Developer
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nikola-wan
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