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Cybearg

pfheights + pfres bug?

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I can't seem to get a non-flickering mess of an image when I combine the super chip's pfres (of greater than 12) with the pfheights kernel option. Am I doing something wrong or is there some problem I'm not aware of here? Is there a fix?

 rem batari Basic Program
 rem created 10/13/2014 1:34:20 AM by Visual bB Version 1.0.0.566

   set romsize 16kSC
   set kernel_options pfheights
   const pfwidth = 4
   const pfres = 18

 playfield:
 ................................
 .......XXX......................
 .......X...............XXXXX....
 ....X.XXX.X...........XXXXXXX...
 ....XXXXXXX...........XX.XXXX...
 ....XXX.XXX...........XXXXXXX...
 ....XX...XX...........X..XX.X...
 ....XX...XX...........X..XXXX...
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
end

 COLUPF = $0E
   pfheights:
   8
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
   2
end


title_loop

   drawscreen
 goto title_loop

Removing const pfres = 18 or taking out the pfheights kernel option will both work, but otherwise it's a flickering mess.

test_2.bas.bin

Edited by Cybearg

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Afraid not. Someone else had the same problem as me, but there are no solutions brought up there, just people acknowledging the problem.

 

I guess that means there's no option for it.

 

I wonder if RevEng could make an adjustment to bB so it will work?

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