[stella] FlipDraw...

Subject: [stella] FlipDraw...
From: Manuel Rotschkar <cybergoth@xxxxxxxx>
Date: Thu, 11 Aug 2005 16:15:55 -0400
Hi there!

How about...

     DCP spriteOffset
     BCC FlipDraw
     LDY spriteOffset
     LDA (spritePtr),Y
     STA GRP0

That's 2/3 cycles more than skip/switchdraw, but it neither requires a 
line counter (save lotsa cycles here!) nor occupies a register.

I'm currently working on a 4LK with 2LK sprites, and this seems to be by 
far the most elegant way to do that :-)

Also instead of the nightmarrish sprite/pointer setup for skip/switchdraw 
it only requires a setup as simple as:

     LDA spriteY
     STA spriteOffset
     SET_POINTER spritePtr, spritedata

Archives (includes files) at http://www.biglist.com/lists/stella/archives/
Unsub & more at http://stella.biglist.com

Current Thread