jeffpar
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Last Activity: August 6th, 2019 08:00 PM

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nikola-wan

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January 10th, 2020, 03:50 PM

nikola-wan replied to a thread Testimonies of using BASIC back in the day in History

Here is my updated table including a run made yesterday on a Tektronix 4051 with an 800KHz Motorola 6800 CPU, 8.2X slower than my Tektronix 4054A...

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80 replies | 54138 view(s)
January 5th, 2020, 01:14 PM

nikola-wan replied to a thread Testimonies of using BASIC back in the day in History

"BASIC, FORTRAN, S-ALGOL, and PASCAL Benchmarks on microcomputers including the effects of floating point processor support" was published by Marcus...

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80 replies | 54138 view(s)
January 5th, 2020, 11:11 AM

nikola-wan replied to a thread Testimonies of using BASIC back in the day in History

Tektronix 4051 computer was my first 'personal' computer in my first job after college in the mid 1970's. I loved the instant access of Tektronix...

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80 replies | 54138 view(s)
January 5th, 2020, 10:34 AM

nikola-wan replied to a thread Testimonies of using BASIC back in the day in History

I forgot to mention, Tektronix 4050 BASIC had no integer variables, all numeric variables were 14 digit floating point +/-8.998E+/-307 (8 bytes plus...

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80 replies | 54138 view(s)
January 5th, 2020, 08:29 AM

nikola-wan replied to a thread Testimonies of using BASIC back in the day in History

bear, Thanks for your benchmark. I ported the Commodore 64 program to my early 1980's Tektronix 4054A computer and got 21.27 seconds for n=100...

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80 replies | 54138 view(s)
January 3rd, 2020, 08:32 AM

nikola-wan replied to a thread Tektronix 4025 terminal for sale in Vintage Computer Items For Sale or Trade

Jon, I really don't have a use for a standard video terminal like the 4025. I have been toying with the idea of a FPGA emulator of the 4051,...

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2 replies | 194 view(s)
January 2nd, 2020, 02:01 PM

nikola-wan replied to a thread C64 8-pin to HDMI in Commodore

I just purchased a working c64, 1402 monitor, and 1541 floppy drive in November. Here is what I purchased to hook the c64 video cable to my Sony...

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7 replies | 387 view(s)
January 2nd, 2020, 01:39 PM

nikola-wan created an album Commodore c64 photos

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January 2nd, 2020, 09:30 AM

nikola-wan replied to a thread Tektronix 4051 Graphics Computer from the 1970's EBAY auction in Vintage Computer Auctions

Me too, Brad. Right now my 19" 4054 is working great - and I'm debugging my port of ADVENTURE64 by Jim Butterfield for the Commodore PET with...

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4 replies | 272 view(s)
December 27th, 2019, 05:25 AM

nikola-wan started a thread NCR-PC4i-VINTAGE-COMPUTER-1985-DECISION-MATE-PC-w-MANUALS-5-25-FLOPPY-DISKS - EBAY in Vintage Computer Auctions

Almost working (keyboard error), NCR4i computer with integrated monitor. and software. ...

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1 replies | 113 view(s)
December 27th, 2019, 05:00 AM

nikola-wan started a thread RARE-Vintage-1985-NCR-Modular-Computer-Terminal-System-Convergent-Ngen EBAY Auction in Vintage Computer Auctions

https://www.ebay.com/itm/RARE-Vintage-1985-NCR-Modular-Computer-Terminal-System-Convergent-Ngen/202679566783 $599 Has processor, floppy disk...

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2 replies | 148 view(s)
December 25th, 2019, 06:03 AM

nikola-wan added 3 photo(s) to album Tektronix hardware photos
December 25th, 2019, 05:55 AM

nikola-wan replied to a thread Tektronix 4051 Graphics Computer from the 1970's EBAY auction in Vintage Computer Auctions

Examples of what this computer can do include hires "greenscale" bit-mapped graphics: and vector text and drawings - photo taken from my 4054A...

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4 replies | 272 view(s)
December 25th, 2019, 05:33 AM

nikola-wan started a thread Tektronix 4051 Graphics Computer from the 1970's EBAY auction in Vintage Computer Auctions

This computer has been on EBAY for some time - likely due to the $2500 asking price and unknown condition (does not boot). ...

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4 replies | 272 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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Total Posts: 11

Posts Per Day: 0.01

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Last Activity: August 6th, 2019 08:00 PM

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nikola-wan

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