A82: Ztetris Help!

To: assembly-82@lists.ticalc.org
Subject: A82: Ztetris Help!
From: "Evil Sam" <evil_sam@hotmail.com>
Date: Fri, 24 Jul 1998 08:44:05 PDT
Delivered-To: assembly-82-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-82@lists.ticalc.org


   I can't seem to figure out Mardell's gap placement system for the 
background routine. Without that knowledge, I can't fix the gap 
locations. I could simply email Jimmy and ask, but that might take 
awhile so maybe someone on the list can help?
  Here is the gap data:

       .db 5
Gaps:		       ; Gaps where the pattern shouldn't be shown
 .dw $005 \ .db $EF,64,42 ;The well
 .dw $07B \ .db $FE,14,23 ;Score
 .dw $1BB \ .db $FE,14,23 ;Level
 .dw $2DB \ .db $FE,14,23 ;Lines
 .dw $321 \ .db $FD,12,20 ;The next piece

   5 = Number of Gaps
 example:  .dw $321 \ .db $FD,12,20 ;The next piece
$321 = ??????????????
 $FD = ??????????????
  12 = Number of pixels down
  20 = Number of pixels across

  Once the gaps are fixed I can release a new version of Ztetris 
w/Backgrounds!

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