> SLR R0,R0 > IC R1,0(,R1) > CHI R1,=H'13' > BNE ... Ignoring that this is lousy code (unless, perhaps, the value is looked at again, in which case having it in a reg could be advantageous), I hope that this was a slightly incomplete snippet, or a typo; R1 needs to be zeroed for the IC/CHI, not R0.
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
