[Coco] Video sync issue... (crosspost)

[Arthur Flexser]

The SYNC instruction suggests itself.....

Art

On Wed, 10 Nov 2004, Rogelio Perea wrote:

> Crossposting from comp.sys.m6809 and comp.sys.tandy:
> 
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> Hi,
> 
> Does anyone know how to perform a vsync in 6809 assembly language when
> programming animation on the Dragon/Tandy to prevent flickering graphics?
> I'm sure it's something to do with checking an interrupt, but I don't know
> how.
> 
> Thanks,
> Collywobbles
> 
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