Re: A86: more problems...

To: assembly-86@lists.ticalc.org
Subject: Re: A86: more problems...
From: Dux Gregis <assets@eden.rutgers.edu>
Date: Wed, 15 Jul 1998 11:04:37 -0600
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <002a01bdb008$cfb1b9c0$44cbb7c7@roy-wong>
Reply-To: assembly-86@lists.ticalc.org

Roy Wong wrote:

> Woah... i tried that, and i got tons of trash..., maybe i used it wrong,
> here's a snip of the code:
>
> right:
>  ld a,119
>  cp b
>  jp z,loop
>  ld hl,$fc00
>  ld de,$fc00
>  ld bc,$3ff

you lose bc, try pushing / poppingalso it might be a good idea to move this
code to the beginning of the putsprite routine so that you only need to copy
it once.

>  ld (hl),0
>  inc hl
>  ldir
>  ld ix,ship
>  inc b
>  call PutSprite
>  jp loop
>
> And then the ship also seems to flicker up and down, how do i stop that?

References:

Re: A86: more problems...

From: "Roy Wong" <rcaa@ix.netcom.com>