Answer Posted / sysprog

The assembler directive START establishes the beginning of the program, and the operand 0 means an offset of 0 from the beginning of the module. If a program uses an instruction before using BALR to establish a program base register, the program base register will be offset from the beginning of the module, by the length of the instruction that precedes the BALR. Using START with an operand of that length can be useful for a more perspicuous assembly listing. START with a non-zero value is also sometimes used in 24-bit programs that due to their length being great enough to necessitate it, make use of more than one program base register; however, in most such situations, the CSECT assembler is used.

Explain the difference in data type "x" and "p"?

1082

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What is maximum displacement?

1260

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Explain about base register?

1105

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What is maximum displacement and how to cross this limit?

1228

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How to pass the parameters from jcl to assembler program?

1060

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explain icm instruction?

1141

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Explain the difference between various read and find statement?

1123

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how to initialize a register to 0000?

1206

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What is the use of trt instruction?

1080

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how do you round the addition or subtraction of two numbers in assembler? what does the following code 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?

1166

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How are data passed from jcl parm to assembler program?

1067

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Explain how to access vsam file?

1139

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

1062

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Explain how to initialize a register to 0000?

1048

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What is house keeping in assembler?

1073

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