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

[Mark McDougall]

Arthur Flexser wrote:

> As I understood what he was asking, he was inquiring how to sync to the
> vertical video pulse, which in the CoCo generates an IRQ (assuming proper
> enabling) that the SYNC instruction will wait for, in order to avoid
> flicker in a game he was programming.  

Granted in this case, yes, but your rather brief response suggested (at 
least to me) that the instruction itself was inherently used for (just) this 
purpose (ie. SYNC == VERTICAL SYNC).

Anyway, it's all cleared up now...

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
| <http://members.optushome.com.au/msmcdoug> |   with less resistance!"