Re: SDWA - SDWACMPC conversion

What are you talking about?What point are you trying to make? On Thu, Apr 12, 2018 at 3:30 PM -0500, "Tom Marchant"

Re: SDWA - SDWACMPC conversion

“Keep in mind that UNPK swaps bits 0-3 of the right byte with bits 4-7.” That’s why the Or Immediate is there; it enforces a zone nibble of 0xF for the last hex digit and ensures correct execution of the TRanslate.

Fwd: SDWA - SDWACMPC conversion

Let me try that again ... WORK DS CL6 DS X , Slack byte UNPK WORK(7),SDWACMPC(4) NC WORK,=X'0F0F0F0F0F0F' TR WORK,=C'0123456789ABCDEF' -- Donald H. Blake Ecclesiastes 12:1

SDWA - SDWACMPC conversion

WORK DS CL6 DS X , Slack byte UNPK WORK(7),SDWACMPC NI WORK,=X'0F0F0F0F0F0F' TR WORK,=C'0123456789ABCDEF' -- Donald H. Blake Ecclesiastes 12:1

Re: SDWA - SDWACMPC conversion

On Wed, 11 Apr 2018 20:15:12 +, Keven wrote: >Using the UNPK/OI does mean no reading past the last byte of the value to be >converted which may be desirable for a generalized implementation. Sure, you could do something like this to convert two bytes to four hex digits: UNPK

Re: SDWA - SDWACMPC conversion

Keep in mind that UNPK swaps bits 0-3 of the right byte with bits 4-7. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Assembler List on behalf of Keven Sent: Wednesday, April