[A83] Re: HL = A * 12 (fast)

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: HL = A * 12 (fast)
From: Xavier LaRue <paxl@videotron.ca>
Date: Wed, 24 Apr 2002 08:06:20 -0400
In-Reply-To: <3CC764C5.52D90AD0@dingoblue.net.au>
References: <3CC6443C.950976B8@dingoblue.net.au> <009a01c1eac8$beec4ac0$d905040a@tijl> <3CC764C5.52D90AD0@dingoblue.net.au>
Reply-To: assembly-83@lists.ticalc.org


A little question that can be a little bit outer the subject..
Can somone explain to me what mul12table >> 8 mean ?
Thx all
Xavier LaRue

On Wednesday 24 April 2002 22:07, you wrote:
> Tijl Coosemans wrote:
> > I got ye beaten ;P Who does better?
>
> Well, if you don't mind wasting memory...
>
> Let 'mul12table' be a 256-byte aligned table containing x * 12 for x =
> 0..63
>
>     ld    h, mul12table >> 8
>     add    a, a
>     ld    l, a
>     ld    a, (hl)
>     inc    l
>     ld    h, (hl)
>     ld    l, a

Follow-Ups:

[A83] Re: HL = A * 12 (fast)

From: "Tijl Coosemans" <tijl@ulyssis.org>

References:

[A83] HL = A * 12 (fast)

From: Darren <qarnos@dingoblue.net.au>

[A83] Re: HL = A * 12 (fast)

From: "Tijl Coosemans" <tijl@ulyssis.org>

[A83] Re: HL = A * 12 (fast)

From: Darren <qarnos@dingoblue.net.au>