"IBM Mainframe Assembler List" <[email protected]> wrote on
02/10/2022 11:04:13 AM:
> In Assembler there are many machine instructions that are suitable
> for calling subroutines:
> - They go somewhere,
> - But they also set a register that can be used to return to the
> next following instruction.
>
> These instructions include:
> - BAL (Branch and link)
> - BALR (Branch and link register)
> - BAS (Branch and save)
> - JAS (jump and save)
> - BRAS (Branch relative and save)
> - BRASL (Branch relative and save long)
> - BASSM (Branch and save and set mode)
>
> My question is this...
> What is the collective name for these instructions?
Including BASR... I call them "subroutine invocation
instructions" -- keeping in mind that there are both internal and external
subroutines.
Sincerely,
Dave Clark
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