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When you work for computers for 40 years it's easy to accumulate stuff... This one needs to go to the Smithsonian, the IBM Mark I manual signed by Grace Hopper. ibm_1 by fiftyonepointsix, on Flickr ibm_2 by fiftyonepointsix, on Flickr ibm_3 by fiftyonepointsix, on Flickr autograph by...

I realize this is mostly a vintage hardware site- and I have a lot of that stuff in the basement and in use. BUT- I still prefer using the software development tools that run under DOS for embedded systems. Most of these tools will not run under XP and newer OS's. "Virtual machines" are not...

Hello- hard to think of these as "Vintage Computers" without admitting that I've been writing code for 40 years now. If someone had told me 30 years ago that I'd still be using DOS, Wordstar, Fortran, and Assembly in 2016- I'd have said "Thank God!". Living the dream, baby! What we called PC's...

I found this forum while doing a "google" for Dos extenders. I've been writing code for over 35 years now, still love it. Started out converting FORTRAN code to one of the first-generation Vector computers, the Texas Instruments Advanced Scientific Computer. I still miss that machine, still...

Information for programming the Tseng 3000 and 4000 was included with the Hardware, made it easy to write code. I have not been able to find the technical information for programming the Tseng Labs 6000 in real-mode. If anyone has the Information for setting the "page registers" and writing...

"Back in the Day", the IBM Professional Graphics Controller was the high-end graphics card, offering 640x480 with 256 colors. It had it's own processor (8088 10MHz? I forget the exact version), memory, and communicated with the PC using shared memory arranged as queues. The shared memory was a...