On 15 November 2012 16:20, Steve Comstock <[email protected]> wrote:
> How is > CLC =X'58F0 0014 58FF',0(R6) > 'more readable' than > CLC chk_string,0(R6) compare data at R6 with X'58F0 0014 58FF' > . > . > . > chk_string DC X'58F0 0014 58FF' > Exactly that's the reason! The actual string must be placed somewhere else and disturbs the flow of reading the code. The remark now duplicates the constant to assist the reader, and we must be confident that nobody changed the DC statement afterwards without adjusting the remark... :-) I have similar religious ideas about the EX instruction. While reading your note, I just noticed this in the file I am working on (and I probably did this myself) interval_dasd = 20 ; IODDEV data for 50 devices Rob
