>>The 6847 is a wonderful solution, BUT it is obsolete. As far as I know
>>Motorola isn't making them any more. This is one of the single chip
>>solutions I looked at, and I wanted to use it, but nobody could find a
>>source for them. Some of the other chips were the TI 9918 (used in the
>>TI 99/4a computer) and the Comodore custom chips in the VIC-20, C64,
>>and Amigas. Atari also had a decent set of custom chips in its 8-bit
>>home computers. All of these were great, but where did they go? I
>>guess computer and home console game video system are so advanced >now
>>that there's no market for the low res stuff any more.
>>
>>There are, however, on-screen display generator chips out there for
>>TVs, VCRs, and Camcorders... These are great for text only solutions
>>since they handle almost everything for you, but they won't do
>>graphics. The NEC uPC6145 does have 16 user definable characters in
>>RAM though if you can count that...

Who else besides NEC makes these on-screen display generators.  I've
been thinking about doing a text only display...

        Thanks,
                Eric