> LDX #0
> LDA #$02
> STA WSYNC
> STA WSYNC
> STA WSYNC
> STA VSYNC
> STA WSYNC
> STA WSYNC
> STA WSYNC
> STX VSYNC
>
> Or what is the first triple of STA WSYNC for?
> I've seen that before more than a dozen times in archive sources, might
> be some common 'cloning error' derived from 'How To Draw A Playfield'
You should leave one WSYNC before the first VSYNC to make sure
that the synchronization really happens at the start of a scanline.
Otherwise you might only get two scanlines worth of VSYNC effectively,
if you start it near the end of a scanline.
Ciao, Eckhard Stolberg
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