this is my first time to code assmbler program. I want to transfer a assmbler program from pc370 to mainframe/mvs.
My comiler JCL told me it didn't recoganize these instruction. such as" WTO, BEGIN, RETURN" etc. finally, I found they
are macro instruction. the docment told me should put all macro into Source Library. could anybody tell me which source
I should put these macros in?