A92: Cutting off sprites

To: assembly-89@lists.ticalc.org, assembly-92@lists.ticalc.org
Subject: A92: Cutting off sprites
From: TurboSoft@aol.com
Date: Thu, 26 Aug 1999 18:14:33 EDT
Reply-To: assembly-92@lists.ticalc.org


how is it possible to cut off how many lines are in a sprite from within the 
sprite:...mask: construct using a register?  for example:
sprite(x,y,lines)
int x;
int y;
int lines;
{
asm("
    move.w 8(%sp),%d0
    move.w 10(%sp),%d1
    move.w 12(%sp),%d2
    lea sprites(%PC),%a0
    bra oversprite
sprites:
    dc.w    %d2 //error received here
    dc.w    3
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
    dc.b    255,255,255
oversprite:
");
put_sprite();
};

is there a way to do it?

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