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[...] I haven't debugged on VM of any flavour for a long time, but it seems to me you should be able to use the START assembler directive (instead of CSECT) to get your listings to match loaded

It's been ages since I debugged a user program in CMS, and I'm stumbling over things I used to remember, so I have a few questions for anyone who's got something to offer. I have a program that has

I guess I'm going to need to start collecting MVT books from Bitsavers, and the like. Thanks! ... Mark S.

One of several books/PDFs I have cracked open at this point. Thanks! ... Mark S.

Hello, Thank you Dave. Bert

Bertram, VMCF exists , IUCV does not. Dave Sent: 07 February 2023 10:11 To: [email protected] Subject: [h390-vm] In VM/CE does VMCF and/or IUCV exist? Hi, As the subject asks does either VMCF and/or

Hi, As the subject asks does either VMCF and/or IUCV exist in VM/CE? Thank you, Bertram Moshier / WB8ERT

Mark, If your work is on OS SVCs and you are familiar with OS please note that the OS emulation in CMS is based on OS/MVT release 21.8. I don’t believe it was updated until VM/ESA (perhaps SP6) but

Hi, Mark, The CMS OS simulation is fairly well described in that VM/370 Release 6 Vol 2 Mar 1979? PLM ... :-) I hope that helps, Mark

Mark, Thanks for the information. I was not aware of the overlap. I was aware of OS vs DOS for some stuff, but now I know about SVCs. My focus is on the OS simulation, since the assembler code I am

Mark, See: http://bitsavers.org/pdf/ibm/370/VM_370/plm/ Note the last three manuals on that page ... Vol. 1 is for CP, Vol. 2 is for CMS ... Vol. 3 is for RSCS etc. SVC 202 and 203 are for CMS ... and

That's the one I was looking for! So I need to go digging into the OS/VS* manuals. Oh bother. Now to find the proper manual "over there." Page 258 backs up your recollection. CMS supports selected SVC

Mark, To the best of my recollection, all SVCs issued in CMS other than those in the 200s? (e.g., 202, 203), are used by OS simulation.? Thus SVC 8 is from an OS LOAD macro.? SVC 10 is

Tony, Thanks. I was trying to stay within the VM/370 environment, but I will also look at these. ... Mark S.

Thank you Joe. I might back up a page ;-) ... Mark S.

Dave, Thanks for the pointer to GC20-1807-7_VM370_System_Programmers_Guide_Rel_6_4-81.pdf, Seems to start at p. 256. This is where I got the list from SY20-0886-1_VM370_Rel_6_Vol_1_Mar79.pdf,? Figure

Have a look here: http://www.bitsavers.org/pdf/ibm/370/VM_370/Release_6/GC20-1807-7_VM370_System_Programmers_Guide_Rel_6_4-81.pdf Beginning at page 257. Joe

<marXtevens@...> wrote: The modern zVM docs explain a lot of what SVC 202 does, even though they deprecate it. Obviously VM/370+mods doesn't implement everything, but it's good

GC20-1807 Looks right, for 202 & 203 but I think the SVC202 has been extended by mods. As SVC 8 is a OS/MFT call it won’t be documented. Dave Sent: 05 February 2023 21:12 To: [email protected]

I've run into SVC 8, 202 and 203, and I'd like to know if there is a manual that contains all of them, and what they do. SY20-0886-1_VM370_Rel_6_Vol_1_Mar79.pdf (