Subject: Re: [stella] Playfield ram usage From: Chris Wilkson <ecwilkso@xxxxxxx> Date: Wed, 22 Aug 2001 20:43:24 -0400 (EDT) |
On Wed, 22 Aug 2001, Glenn Saunders wrote: > I can see the encoding being put into some sort of array describing the row > and position of each tombstone as well as a total number of tombstones for > each row (to loop over). Instead of including a number of tombstones per row, you might might just have a dummy tombstone location (use zero, for obvious reasons) that signals the end of that row. It would work something like this: load the position of the next tombstone on the row. If it's non zero then loop...otherwise the row is done. This would keep you from decrementing a tombstone counter on each row. I'm not sure exactly what your display will look like, but it might save you a cycle or two. -Chris - Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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