Re: Re: Where do I start?

------------------------------------<snip>-------------------------------

>  
>
> On Thu, May 27, 2010 at 3:58 PM, Ron Hudson <[email protected] 
> <mailto:hudson.ra%40gmail.com>> wrote:
> >>
> >> loop IC 3,0(2,6) INDEXED BYTE
> >> CLM 3,1,=X'11' SBA ?
>
> The mask portion of these two instructions is 4 bits, 1 bit per byte
> to be processed. A value of 3 B'0011' says to process the 3rd and 4th
> byte. I think you want to process one byte at a time, B'0001' or 1.
>
-------------------------------<unsnip>--------------------------------
No. A MASK of X'11' will only reach the last byte of the word, because 
ICM will assemble to use only the last 4 bits of the mask in this 
illustration.

Rick