Re: A89: Re: HW detection

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Re: HW detection
From: Patrick Davidson <pad@ocf.Berkeley.EDU>
Date: Sun, 1 Oct 2000 19:52:33 -0700 (PDT)
In-Reply-To: <200009170616.IAA11295@mail.utic.net.ba>
Reply-To: assembly-89@lists.ticalc.org




On Sun, 17 Sep 2000, Zeljko Juric wrote:

> Or the same in ASM (d1 will contain the HW version):
> 
> hwtest: move.l $C8,d1
>         and.l #$600000,d1
>         move.l d1,a1
>         move.l 260(a1),a0
>         move.l a0,d0
>         sub.l d1,d0
>         moveq #1,%d1
>         cmp.l #0xFFFF,d0
>         bhi.s hwend
>         cmpi.w #$16,(a0)
>         bls.s hwend
>         move.l $16(a0),d1
> hwend:  rts
> 
> It seems to me that ASM version in this example is even much
> more readable that the original C code, due to too many casting
> in the original C code.


Will this work on the TI-92 Plus also, or only on the TI-89?

References:

From:

Prev: A89: GrayScale via C/ASM
Next: A89: Re: GrayScale via C/ASM
Index(es):
- Main
- Thread