I recently acquired the PC-4 printer and cassette modules and wrote a version of my banner program for this model pocket computer. With only 544 bytes available, it was the most challenging version to code.

Read More

I found a great printer for the Model 100, the TP-10. This printer is thermal and uses 4 1/8″ paper. It has a serial connection and I’ve updated the banner program as an example of it’s capabilities.

Read More

I found the pocket computer model on eBay that I wanted as a kid, but couldn’t get. I repaired the printer cassette interface for it, and wrote a banner program using only 964 bytes of RAM.

Read More