Write the fetch cycle and execute cycle for following instructions:JMPNZ (jump to the given address if the accumulator not equal to zero) RET(return from a subroutine) ADB (add the contents of register B to the accumulator and save result in the accumulator).

1 Answers  

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Is it possible to access some memory location (Ex: VAR1 DS P) without using Base Displacement?

1 Answers   HCL,

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How we can retrieve the instream data in SYSIN ?

2 Answers   Tech Mahindra,

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Explain how to initialize a register to 0000?

0 Answers  

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What does LA R3,R3 ?

1 Answers   Amdocs,

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Can we use an equated value as operand for an MVC instruction? Reason for the same

8 Answers   IBM,

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What is base register?

23 Answers   IBM, Infosys,

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

0 Answers  

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How do you round the addition or subtraction of two numbers in assembler? what does the following code do? AP WKUR,=P'5' where WKUR is a label

3 Answers   CSC, IBM,

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Why can only 256 bytes be moved from one address to another in a MVC?

6 Answers   CSC, HCL, IBM,

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Why do we use "drop"?

0 Answers  

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Explain about maximum displacement?

0 Answers  

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