Re: A92: Help

To: assembly-92@lists.ticalc.org
Subject: Re: A92: Help
From: "Bryan Christopher Turner" <bcturner@eos.ncsu.edu>
Date: Mon, 9 Feb 1998 10:39:27 -0500
In-Reply-To: Dennis Ng <dennisng@gte.net> "RE: A92: Help" (Feb 7, 7:58pm)
References: <01BD3411.04ED7080.dennisng@gte.net>
Reply-To: assembly-92@lists.ticalc.org


>
> ;Place all headers here
>
> ;Find a handle, [use some routines in the TIOS.H] and store
> ; it in d0
>
> move.w       d0,-(a7)
> jsr          kernel::exec	;They don't call it core[exec] no more,
> 	; kernel::exec is the command in Fargo II
> lea		2(a7),a7
>
> ;place other data
>


  A point on optimization, lea x(a7),a7 always requires two words, one for the
instruction and another for the offset 'x'.  If the offset is 8 or less, addq
is smaller (and I believe faster too).  Try 'addq #2,a7' instead.

--Bryan
bcturner@eos.ncsu.edu

References:

RE: A92: Help

From: Dennis Ng <dennisng@gte.net>

From:

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