[A83] Re: Signed division by a power of two.

[A83] Re: Signed division by a power of two.

• To: <assembly-83@lists.ticalc.org>
• Subject: [A83] Re: Signed division by a power of two.
• From: "Matthew Marshall" <mmarshall@myrealbox.com>
• Date: Wed, 13 Aug 2003 10:53:16 -0500
• References: <000801c36115$47e1e560$16fe8842@kcll> <Law11-OE583CqUAynSq0001e4a8@hotmail.com> <003b01c36120$61f43d30$0500a8c0@PATRICK>
• Reply-To: assembly-83@lists.ticalc.org

I do not think that will be a problem, but I will keep it in mind...

MWM

----- Original Message -----
From: pad <pad@OCF.Berkeley.EDU>
To: <assembly-83@lists.ticalc.org>
Sent: Tuesday, August 12, 2003 5:23 PM
Subject: [A83] Re: Signed division by a power of two.


> The sra instruction does divide a signed byte by 2.  But take note of what
> happens when the number is not even.  In this case, the low bit is
discarded,
> so the value is always rounded down.  Thus if you divide 1 by 2, you get
0,
> but dividing -1 by 2 will not give 0, but rather -1 again.  Whether or not
> this is a problem may depend on your exact application
>
>
>
>

• [A83] Signed division by a power of two.
• From: "Matthew Marshall" <mmarshall@myrealbox.com>
• [A83] Re: Signed division by a power of two.
• From: "Jeff" <telepath75@hotmail.com>
• [A83] Re: Signed division by a power of two.
• From: "pad" <pad@OCF.Berkeley.EDU>

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