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Answer Posted / pazhanivel seethapathy
VSAM file can be accessed through an Assembler application
program by using assembler macros RPL, ACB
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What does the following code do? Ap wkur,=p5 where wkur is a label?
Explain about house keeping in assembler?
How to pass the parameters from jcl to assembler program?
Explain about base register?
explain icm instruction?
What is maximum displacement?
What is need of start 0?
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?
Explain how to access vsam file?
explain about maximum displacement and how to cross this limit?
What is icm instruction?
how to initialize a register to 0000?
what is need of start 0? In steed of
how to pass the parameters from jcl to assembler pgm?
How is data passed from a calling program to an assembler called program?
