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Not only that, but DOS/VS r 34 didnt follow the OS calling conventions. Joe wrote:

ok, maybe a little progress. Knowing that standard calls do not work, as you state, means that I have to do my own. Ok, now for some testing..... Thank You very much. cheers /tom c wrote:

Hi Tom, You are going to have to implement your own routines. Perhaps check out how Algol or PL/1 handle subroutine calls. But standard call routines do not support re-entrant calls. Rich

Richard, Thank you for the info. I need to figure out how to implement your suggestion. I found in the documentation on SAVE an option SAVE (14,12),,xxxxxxx where xxxx is a ds 18f area

Hi Tom, Typically 360/370 subroutine calls are done with a what is called a save area. This is 18 words allocated within the subroutine. On entry the registers are saved into the previous

Fish, Thank you for comments.? You confirmed what I thought was the issue. Looking through the fish-macros, I noticed you have a modified save macro.? Should I be using that version? I have written

Fran Hensler wrote a routine, EchoParm, which allows for the use of EXEC PARM= . The program compiles but will not run via DOS/VS rel 34.? It is stated in the JCL: Restriction:? This program will

[...] How do you have your subroutine linkage designed? Simple saving of return register? If so, then that's your problem. Sub1 saves its return to main, but as soon as sub2 then calls sub1, sub1

I am looking for documentation/examples of how to nest multiple layers of subroutines in DOS/VS ASM. I can do one-nesting, but if I try to nest two levels main -> sub1 -> sub2 -> sub1 -> main the

Hi, I managed to get BUFF40S to work. It probably will not work on DOS/VS. I used DOS/360. You need to define a very small supervisor. It seems it can't be bigger then 16K. BUFF40 does some

Hi, I got it to start. It needs a file BUFF40S with between 10 and 100 cylinders. I am not sure how to create files on DOS yet. If anyone can provide the JCL to make this. It directly calls

Yes, as I said back in 2007, there is no doc other than the source code. But there is a lot of info in that very tight source, and the line-by-line comments are pretty good if you have experience

Such luxury. I had to put coding forms in the post. It was Fortran II so things like F=G*10 Usually fails…… Dave Sent: 02 October 2022 22:14 To: [email protected] Subject: Re:

From an old yahoo groups message: "There is no doc other than what you find in the source code. BUFF40 is a student "compile & go" system designed for high performance on small programs. It does not

I’d really like to help you Tom but I can’t find my documentation. This is a paragraph from my webpage that I wrote for my 50th anniversary at SRU. The first computer usage by students was

I have BUFF40 compiling and linking via dos/vs.? Does anyone have any jcl and/or documentation on how to run and use this code. Thank you tom c

Many thanks Fish! Best Regards Roberto

Roberto Sancho Villa wrote: [...] That is SO COOL!!! :))) -- "Fish" (David B. Trout) Software Development Laboratories http://www.softdevlabs.com mail: fish@...

Hi Guys I’ve released a new Control Panel for IBM 370/138 ( https://github.com/rsanchovilla/SimH_cpanel ) It includes the bugfixes done by Richard Cornwell in his Sims repo. Now simulator can

Hi Tom, You mentioned that you would upload a copy of PL-360 if any interest. I am certainly interested so please upload the zip file mentioned. Best regards, Steen