In the house keeping section of an MVS assembly language program, like the one below
STM R14,R12,12(R13)
BASR R12,R0
USING *,R12,R11
LA R11,2048
LA R11,2048(R11,R12)
....
....
1. What if BASR R12,R0 IS NOT PRECEDE USING *,R12,R11?
2. USING (base address), REGISTER
does USING directive says assembler to treat particular Register as a base register with the mentioned base address..in the above case * i.e current location counter..well if that is the case why we need BASR R12,R0 ?
3. What if I write like
STM R14,R12,12(R13)
BASR R12,R0
LA R11,2048
LA R11,2048(R11,R12)
USING *,R12,R11
there is no address resolution being calculated in both LA statements so is it a right way to set Base register?..will there be any issues with Domain regarding R11 and R12?
No Answer is Posted For this Question
Be the First to Post Answer
What is need of start 0? In steed of can we use anyother numerics? If we use what will happen?
Explain how to access vsam file?
How we can retrieve the instream data in SYSIN ?
cobol and assembler access
How to pass instream data in sysin with Assembler?
explain about maximum displacement and how to cross this limit?
Explain how to produce soc7 abend?
Explain about maximum displacement?
What does "using" do?
change process tool( code changes from dev to prd) The changes made to your code should be effected in live. how the process takes place. that is how can you move the code changes from development to production.
Is it possible to access some memory location (Ex: VAR1 DS P) without using Base Displacement?
explain icm instruction?