🚀 go-pugleaf

In message <ASM370%89061400251931@OHSTVMA> Darrel Pawelka writes:

>the DXD and CXD assembler pseudo-codes. I am vaguely aware that they have some-
>thing to do with external dummy control sections. Would someone briefly des-
>cribe them for me, including the operands they take?                          -

I'm afraid I can't help you much with those, but..

>                                                     Also, would he or she des
>cribe the PUNCH assembler directive? Is it still used on machines without REAL
>card punchers?

The PUNCH directive is used to add a card to the object deck, i.e. to include
a line in the TEXT file generated by the assembler. These can be used to
put INCLUDE directives in a TEXT file that some linkage editors desire, for
example.

>     On another subject, the computer I use is an IBM 4381-12 running CMS, VM /
>SP ver. 4. Does this exclude the possibility that the system has anything to do
>with 370 / XA or / ESA?

The 4381 is not XA or ESA capable, to the best of my knowledge.