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S.N. on Difference between JMP instruction & CALL instruction

written 7.0 years ago by mankar.shubhangi07 • 120

modified 3.0 years ago by DevarenjiniP • 3.2k

embedded systems

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written 3.0 years ago by DevarenjiniP • 3.2k

JMP INSTRUCTION	CALL INSTRUCTION
Program control is transferred  to a memory location which is  in the main program.	Program control is transferred  to a memory location which is  not a part of the main program.
Program counter value is  not transferred to a stack.	Program counter value is transferred to a stack.
Value of stack pointer does not change.	Value of stack pointer is decremented by two.
RET instruction is not required.	RET instruction is required.
Immediate addressing mode eg: 2900 JMP 2975 H	Immediate + Register indirect  addressing mode. 8000 H CALL 2000 H,SP=3000H before                          after  SP:3000H                   SP:2FFE H DC:8000H                    PC:2000 H

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