[Coco] PICs and S-Video
Mark Marlette
mark at cloud9tech.com
Wed Feb 22 07:45:50 EST 2006
Chris,
Go with an AVR, they are cheap, many choices under $5. Programmers are cheap.
You understand 6809 assembly, picking up on the AVR... no problem for you.
Mark
At 2/21/2006 09:37 PM, you wrote:
>Well, the S-Video converter works well and is centered enough on the LCD
>TV, but off a little to the left on the Big TV, because of the late HSYNC.
>
> I'm working on delaying it (by almost a whole line), but, the TTL is
>getting pretty complicated. It was suggested that I use a small PIC, but,
>I've never used them before and don't have a programmer. Seems pretty
>brain-dead. One input, one output and a comaparator/analog input. Take an
>interupt on HSYNC, start a countdown timer (value based on the pot
>connected to the comparator/analog input), take an interrupt on time-out
>and output the HSYNC pulse then.
>
>Suggestions, input, offers to help???
>
>Christopher R. Hawks
>HAWKSoft
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