Apple II timing vs. NTSC (was Re: Good Composite->VGA converters for classic computers (& video games...)

Jim Leonard trixter at oldskool.org
Sun Jun 1 17:53:10 CDT 2008


Eric Smith wrote:
> The Apple II horizontal rate is 228.0 times the color subcarrier
> frequency, so that the color phase is the same on every line.

Was there a reason for this design decision?

(Excellent explanation, btw, thanks!)
-- 
Jim Leonard (trixter at oldskool.org)            http://www.oldskool.org/
Help our electronic games project:           http://www.mobygames.com/
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