Oki, I will doublecheck the rombits 1st as usual.

Does anyone know what the TMS MCU is in this? (page 2, 2nd post) http://www.handheldmuseum.com/forum/view...3eaddee9211993a
If it's of the TMS1000 series, I think it's likely a TMS1470. The other chip(TMS1024) is an I/O expander chip.