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Paul Edwards wrote: I am going to presume you know what a partition is in DOS/VS. Each partition has its own Communications Region. Address 20 is always set to the address of the given partition's

COMRG causes the address of the partition communications region to be placed in R1. [image: image.png] "Or is that not how the PSA works when there are multiple processors or something like

What's the rationale here? We're trying to get the address of a common region. COMRG L 1,20 SVC 33 LR R5,R1 USING COMREG,R5 The first thing it does is load a value from absolute address

I now have the equivalent of WTO working, with the CCB/CCW/EXCP in C. You can see that here: https://sourceforge.net/p/pdos/gitcode/ci/master/tree/pdpclib/mfsupc.c 09:01:22 BG 09:01:22 * 09:01:22

This has only just started working, so there may still be issues, but the linker pdld.exe has now been proven to be able to create an unloaded DOS/VS phase - offline - ie on Windows. The code is

I see - thanks. BFN. Paul.

So lemme show ya ... // ASSGN SYS007,SYSPCH <---- job life assignment of SYS007 to the POWER punch // ASSGN SYS000,SYSLNK <---- job life assignment of SYS000 to SYSLNK ... // DLBL

I got an error when I tried adding // to my ASSGNs, but I have since managed to figure out how to dump object code, one at a time, via separate JCL below. So now hopefully the pdld author will be

Leo Langevin's book DOS/VSE/SP Guide for Systems Programming contains a WTO and WTOR program along with many any other helpful programs that early DOS didn't have. Regards, Gary

Paul, No need for low-level CCWs Look in IBM publication: GC33-5373-2 File No. 5370-30 DOS/VS Systems Supervisor and 1/0 Macros page 42: DTFCN defines an input or output file that is processed on a

Check your ASSGNs. They are messed up. // ASSGN SYS000,SYSLNK ASSGN SYSPCH,SYS000 ASSGN SYSPCH,SYS000 ASSGN SYSLNK,SYS000 ASSGN SYSIPT,SYS000 ASSGN SYSPCH,SYS000 how many times are you going to

I don't need an answer to the return code anymore, as I found out that I already had code to do the equivalent of a WTO and was able to use that to get func1 to print "start", call func2 which says

Thanks all for your replies. Good news is that the pdld (linker) author (from Slovakia) has agreed to support the VSE format of an unloaded (using CSERV) executable (phase). He has already done MVS

From memory in earlier dos versions it was pretty simple to use single ccws, a ccb pointing to syslog, and excp/wait. Just use one ccw for read and one for write

might get a few hints from the MVS source for SYS1.MACLIB https://github.com/moshix/MVS38j.SYS1.MACLIB/blob/master/WTO gmail.com@groups.io> wrote: -- Dr. Lee Smith Chief Scientist

That is a z/VSE only macro. With z/VSE IBM did a complete rewrite on the console. gmail.com@groups.io> wrote: -- Sincerely, John Imholte

There is a WTO macro documented in the z/VSE manuals. But when I tried using WTO in my assembler code on DOS/VS it said there was no such macro. Does it exist, and if it does, is there something I

I think that if we provide a DLBL/EXTENT for one of those files, say FILE02, VTP won't complain about it at startup, because it will be able to open it. Of course, the file must exist. However I am

Professor Ferland, VOILA! I still get open errors for FILE02 thru FILE14 but I'm up and running! I logged on with HERC01/CUL8TR and was presented with the attached screen. Finally, F3 reports VTP

Hey Jim, I finally got it! Check the attached picture. :-) What seems to have done the trick is adding the DLBL/EXTENT of the two files (U000.SECURITY.FILE and U000.CONTROL.FILE) to the VTP job. Can