This will not work, because you have to consider the case where there is no
label coded on the calling instruction, then the ORG &LABEL is failing, because
it is a ORG without operand.
Am 21.12.2013 13:51, schrieb J.G.:
> EJ's macro can of course be written in the form
> MACRO ,
> &LABEL DIAG &R1,&R2,&I1
> &LABEL LA &R1,&I1.(&R2.,0) Diagnose
> ORG &LABEL
> DC X'83'
> ORG ,
> MEXIT ,
> MEND ,
> and this form, which delegates the location-counter arithmetic to the
> assembler, seems to me to be at once clearer and less error-prone.
> Dijkstra's epigoni have conditioned many people to avoid the use of
> labels whenever possible, even at the expense of real ugliness, not
> present here; but the use of an already present label in this way
> seems to me to be entirely benign. Moreover, their judicious use
> often makes it possible to avoid what T.H. has just called
> "fancier ORGs".