On Apr 30, 2022, at 08:50:04, Bob Raicer wrote: > > --------- begin snippet (from Paul Gilmartin) > I believe what it intends to say is that the two's complement of > the maximum negative number is not its algebraic negation. > --------- end snippet > > I agree with you, Paul, about the "algebraic negation" part of your > reply. However, as perceived by the programmer, the LCR instruction > does not ignore the carry out of the sign position. > Yes. The carry is heeded, but only in the setting of the CC.
The error persists in: In: IBM z/Architecture Principles of Operation SA22-7832-12 Thirteenth Edition (September, 2019) Page 7-4 I'm working on an RCF. Should I expect pushback? -- gil