View Single Post
Old 13 September 2015, 13:18   #16
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 19,943
Quote:
Originally Posted by Foebane View Post
Could the OCS copper change a hardware register every pixel?
No

Quote:
HAM8 is the first two bits used as described above, but leaving only 6-bit precision (64 levels) of Red, Green, and Blue. So what does AGA do then?
AFAIK two lowest bits of color component are not modified.

Quote:
Originally Posted by Mrs Beanbag View Post
how can they be?

On OCS $FFF -> $777 = $777777
On AGA $FFFFFF -> $7F7F7F
You are right, for some reason I thought them as 2 separate 4 bit shifters (which probably isn't right, unless EHB really was designed to be fully OCS/ECS compatible)
Toni Wilen is online now  
 
Page generated in 0.05803 seconds with 9 queries