> What happens if AMODE 31 code issues LRA and the real address > is above the bar? Program check? yes. The ramifications of using the mod-2G part of the real address were quite obvious. The architecture reflected that understanding by making this case program check.
>Or does LRA simply (always?) load a 64-bit register? no >Is there an LRAG instruction? yes Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
