Answer Posted / md saifullah

for example we want to test if given variable is numeric we can do it by following code.

We can define a table with all FF execpt from 0 t0 9 00

Table1 DC 256c'ff'
org table1
dc 10c'00'

Now we can give
TRT var1,table1
BZ numeric

how to pass the parameters from jcl to assembler pgm?

1109

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Explain the difference between various read and find statement and which one should be used when for better adabas performance?

996

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What is maximum displacement and how to cross this limit?

1177

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how to initialize a register to 0000?

1157

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What is house keeping in assembler?

1010

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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?

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what is need of start 0? In steed of

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Explain how to initialize a register to 0000?

1010

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explain about maximum displacement and how to cross this limit?

1149

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