Re: 'Divide by A' procedure in 90x0 ROM

From: Groepaz <>
Date: Fri, 18 Feb 2011 14:27:29 +0100
Message-Id: <>
On Freitag 18 Februar 2011, you wrote:
> Can you have a look at this, please:
> I know it works, I even wrote a small Pascal program to emulate the
> above. I had to because I wasn't sure what was stored in which variable.
> My problem: I haven't any idea how it works. I look at it but cannot
> understand it. I even haven't any idea where to start! Can anybody
> explain the above, please?

its just a binary division :) look at this one: which is 
similar and has some comments. (to understand, think of how you divide on 
paper, and imagine doing it in binary)


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Received on 2011-02-18 14:00:18

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