| On Thursday, February 27, 2025 at 09:19:19 AM PST, Charles Mills
wrote:| You could not code an executed relative instruction
otherwise.
I agree with Paul's point in asking "how useful is that?". There is a time when
these points are useful but for Joseph, this is not that time. I purposef
It is extremely useful! In addition to what Charles stated, this
characteristic of the EXECUTE instruction permits, for example,
having a set of linkage type instructions (BRAS, BAS, and similar
instructions) which could be the targets of an indexed EXECUTE
instruction ("Branch Tables" of which so
You could not code an executed relative instruction otherwise.
Or at least, if otherwise, the assembler would have to know the one place it
was executed from.
Charles
-Original Message-
From: IBM Mainframe Assembler List On Behalf
Of Paul Gilmartin
Sent: Thursday, February 27, 2025 9
On 2/26/25 20:54, Robert Raicer wrote:
An important correction to the information provided by Jon Perryman
regarding how the branch address in the BRCT, BRCTG and BRCTH
instructions is computed.
The RI field is a signed binary integer value which represents the
number of halfwords which is added