I bought Computer Perfection, thinking it had a TMS-1100, but instead it had a Panasonic MN1400. It looks pretty similar to a TMS-1100- 28-pin DIP, 1KB ROM, 64 nibbles RAM, instruction and output PLAs.
Here are some datasheets that I found:
Here are a couple of the several patents that include source code that I found:
4302778 - Zenith
4458996 - Canon
Here's a die shot and die shot with top metal layer removed
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