A82: Re: Ztetris Help!

To: assembly-82 <assembly-82@lists.ticalc.org>
Subject: A82: Re: Ztetris Help!
From: Dines Christy Justesen <c958362@student.dtu.dk>
Date: Sat, 25 Jul 1998 00:36:27 +0200 (METDST)
Delivered-To: assembly-82-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-82@lists.ticalc.org


I have never played the TI85 version of ZTetris, but to me it looks like
the bytes are used like this:

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

Offset (in bytes) from top-left corner to first byte in gap.
> $FD = ??????????????
$F = -1 

Skip one bit in the first byte on every line of the gap

$D = -3

Skip three bits in the last byte on every line of the gap

>  12 = Number of pixels down
>  20 = Number of pixels across


Dines

_______________________________________

Dines Justesen
Email: dines@post1.com or
       c958362@student.dtu.dk
WWW  : http://www.gbar.dtu.dk/~c958362/
_______________________________________

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