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Old 14 October 2019, 19:37   #1509
Per aspera ad astra

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Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 49
Posts: 2,241
Originally Posted by mcgeezer View Post
Just so I understand this completely Toni/Ross.

At the start of the video frame I need to write $c000 or $ff00 to POTGO... then wait several scanlines afterwards (until discharge) and read POTINP?
No, exactly like now but without one other frame, on the same at distant time (like at start and then at half frame).
[or maybe you mean POTGOR?]

EDIT: HRM says 300us which is like 5 lines (or more if weak?), but you can't lose 5 lines to wait for nothing
A copper IRQ could be a solution to not have latency.

Last edited by ross; 14 October 2019 at 19:47.
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