CoCo1 composite video
When I got the CoCo, one of the big problems was the super-smeary, snowy video on the RF-out. Even though composite video is generated internally by the video circuitry of the computer, Tandy didn’t end up breaking it out to an actual port. Lots of other 8-bit machines of the era are in the same boat. Luckily, adding a composite video port to the CoCo is very straightforward! So straightforward, in fact, that I did it twice. Theory As I said just now, the Motorola 6847 VDG already generates a