Re: A86: Interrupts

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Interrupts
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Tue, 8 Dec 1998 03:06:47 -0500
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org




>
>At 23:18 1998-12-07 -0500, you wrote:
>>>  Disabling the interrupts will not gain much speed, unless there's a
badly
>>>  written user installed interrupt. The most common reason to disable
>>>  interrupts is probably to use the IY register and the shadow registers.
>>
>>So, it would not speed anything up much if they were to be disabled? It
>>wouldn't be that noticable if they were disabled then renabled during
parts
>>that do computations, "If...then"s, etc.?
>
>Exactly...

Still, it could only help ... that's a lot of code to needlessly run 200
times a second.  You won't notice the speed difference in changing a <ld
a,0> to an <xor a> either.

>
>--
>Real name:     Jimmy Mårdell
>Email:         mailto:yarin@acc.umu.se
>Homepage:      http://www.acc.umu.se/~yarin/
>
>Icarus Productions homepage: http://icarus.ganymed.org/
>

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