[Coco] COCO Video

T. Franklin tim at franklinlabs.com
Wed Jun 19 03:39:44 EDT 2013


I think you're confusing the 6847 with the GIMI. The 6847 was a chip Developed by Motorola for a dumb terminal called TRS-80 VideoTex Terminal, for the farm industry (precursor to the CoCo). The GIMI was breadboarded with discrete components when developing the CoCo3.

https://en.wikipedia.org/wiki/TRS-80_Color_Computer







The logic of the 6847 is relatively simple and constructing a replacementfor it isn't outside of the realm of possibility. The thing was breadboardedwith discrete logic while being designed, after all.






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