Questions tagged [ibm-pcjr]
The IBM PCjr is a PC-compatible home computer. For questions about other PC-compatibles please use the [ibm-pc] tag.
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How to run CP/M 2.2 on IBM PCjr (Not CP/M-86)
Years ago, I upgraded my IBM PCjr with a V20 and I was able to run CP/M 2.2. I have been looking for a CP/M 2.2 image that I can run on my current PCjr with 640K and Dual floppy (RACOR expansion). ...
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How is the 320x200x16 graphics mode mapped in the IBM PCjr?
I've read that the PCjr supports a 320x200 pixel mode with 16 colors. But what I can't seem to find is how much memory that takes, how it's organized (chars?) or where it's located in memory.
I'm ...
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How to do the Tandy 1000 audio mod on a PCjr?
The information on modifications on the PC Enterprises website was never saved by the web archive, so looking there is out.
I remember in their printed catalogs they sold a mod kit for making the PCjr ...
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Can the IBM PCjr be upgraded to support the better features of the Tandy 1000?
It is well known that the IBM PCjr was a commercial failure and that the Tandy 1000 series of computers not only matched the features of the PCjr (other than maybe the wireless keyboard), it also ...
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