Re: What does this instruction mean: ANDDC #239 ?

From: CBFalconer (cbfalconer_at_yahoo.com)
Date: 03/23/05 

Date: Wed, 23 Mar 2005 16:06:11 GMT

Mark Odell wrote:
> ranjita wrote:
>
>> ANDDC #239 can someone explain the meaning of this assembly
>> instruction? I am using MC9S12A128B as the microcontoller on my
>> target board.
>
> Go here:
>
> http://tinyurl.com/6xsne
>
> And download the document S12CPUV2.pdf. This is the Freescale
> reference manual for your CPU. It it will be a description of
> *all* the CPU instructions.

<rant> I hate those tinyurls, I want to see where I am going.
Better to provide both. </rant>

This emphasizes the need for any embedded programmer to understand
the assembly language of the machine he is using. 

-- 
"I conclude that there are two ways of constructing a software
 design: One way is to make it so simple that there are obviously
 no deficiencies and the other way is to make it so complicated
 that there are no obvious deficiencies."   --  C. A. R. Hoare

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