Re: A86: Re: collisions

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Re: collisions
From: BlAsTo1414@aol.com
Date: Sun, 9 May 1999 23:25:16 EDT
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-86@lists.ticalc.org
Reply-To: assembly-86@lists.ticalc.org


could some one let me know whats going on in this procedure?  i dont 
understand any of it :(  where do I stick this in my code?  after it draws 
the sprites?  how does it know what sprites it is looking at for the 
collision?

thanks,
-=-=1414=-=-



> ; bc = (x1,y1), de = (x2,y2)
>  ; returns: no carry = collision
>  CheckCollision:
>   ld a,d
>   add a,7
>   cp b
>   ret c
>   ld a,b
>   add a,7
>   cp d
>   ret c
>   ld a,e
>   add a,7
>   cp c
>   ret c
>   ld a,c
>   add a,7
>   cp e
>   ret

Follow-Ups:

Re: A86: Re: collisions

From: "David Phillips" <david@acz.org>

A86: Re: collisions

From: Chris Magill <v8r@juno.com>

Re: A86: Error Messages...

From: Nicolas P Zagorin <ziggy2282@juno.com>