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Old 07 January 2008, 22:41   #2
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,534
Quote:
Originally Posted by FrenchShark View Post
<SPRxPOS>, <1 empty word>, <SPRxCTL>, <1 empty word> for 32-pixel sprite
<SPRxPOS>, <3 empty words>, <SPRxCTL>, <3 empty words> for 64-pixel sprite
Correct.

Quote:
BTW, for the AAA implementation, I have a problem with sprite positioning on high resolution screen (i.e. 1280x1024), there is not enough bit for VSTART and VSTOP.
Why? I am quite sure nobody is going to use it and in worst case there will be multiple different (and incompatible) so called 'AAA' implementations..

Why not just simple dummy RTG compatible framebuffer?

btw, attach bit works differently in ECS/OCS and AGA:

OCS/ECS: even or odd sprite's attach bit set = sprite is attached.
AGA: even sprite's attach bit is ignored.

Even attach bit could be used as an extra vertical position bit for both even and odd sprites..
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