As a last resort, you could cheat by looking at the documentation! https://www.ibm.com/docs/en/hla-and-tf/1.6.0?topic=listing-diagnostic-cross-reference-assembler-summary
P1 means the first primary input file. Jonathan Scott -----Original Message----- From: IBM Mainframe Assembler List <[email protected]> On Behalf Of Jon Perryman Sent: 28 October 2025 22:05 To: [email protected] Subject: Re: Statements flagged section question On Tue, 28 Oct 2025 17:01:56 -0400, Joseph Reichman <[email protected]> wrote: >Usually when I look for errors in the assembler listing I do F ASMA or MNOTE F '**' 1 2 finds messages. Maybe there's something different than ASMA or MNOTE. Alternatively, ALL '**' 1 2 will hide non-messages making it easier to review the list of messages while easily ignoring everything else. >88(P1,46) that would seem to refer to statement 88 and there would be some >macro or copy book called P1 If I remember correctly, P1 refers to the dataset found at the end of the listing.
