On Mon, Nov 7, 2022 at 11:59 AM Ken Pettit <[email protected]> wrote:
> Hi John, > > No, you don't need to preserve them. After a CALL operation, the "OS" > does a "RET" operation to an address it PUSHed to the stack. The routine > at that address does not depend on any partiular value in any of the > registers. > > Ken > Excellent, thanks Ken. -- John.
