Gil, that is clever as all get out. Thanks for the idea, though I don't have
any immediate use for it myself. That's one to file in the ASM tools bag,
Peter
-----Original Message-----
From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> On Behalf
Of Paul Gilmartin
Sent: Monday, January 31, 2022 2:52 PM
To: ASSEMBLER-LIST@LISTSERV.UGA.EDU
Subject: Re: Making Encoded Bits Human Readable
On Jan 31, 2022, at 12:31:15, Dave Clark wrote:
>
> I have two pairs of encoded bits in the high order of a binary
> byte. These two pairs (values of 0 to 3, each) actually represent the
> numbers 1 to 4 in each case. Now, I know that I could do this the
> hard
> (long?) way by bit-testing these and come up with the human-readable
> zoned equivalents. In fact, I've already done that.
>
I'm thinking:
Isolate a bit-pair with shift-and-mask
then AHI C'1'
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