Robert, both the mnemonics and the opcodes were re-used, though the meaning changed from Branch and Store (Register) in 360/20 to Branch and Save (Register) in S370/XA.
Tony, thanks for the additional info. Melvyn, I was aware of the DIAGNOSE instruction, though I've never been able to figure out the associated function codes and their meanings. thanks for the update anyway. Kind regards to you all, Abe Kornelis ========== Robert A. Rosenberg schreef op 26-5-2015 om 6:25: > I may be wrong but I have the Impression hat the 360/20 version of > BAS/BASR (that machine's equivalent to BAL/BALR had a different op > code from the current BAS/BASR. >
