Another interesting TMS MCU to dump/decap might be in the Capsella CRC 2000 (

My audio dev friend Chris Randall has posted a photo of his acquisition here:

Asked him to open it to know what sort of MCU it had, and from the photo, I'm pretty sure its a TMS1400 or similar (same pinout and markings as my Coleco Talking Teacher)

Photo credits: Chris Randall
[Linked Image from]