GATE Electrical Engineering (EE) 2011 Solved Paper

Question : 43 of 65

Marks: +1, -0

A portion of the main program to call a subroutine SUB in an 8085 environment is given below.

\table ,:, ;,:; , \LXI,D{,} \DISP; \LP:,CALL, \SUB;,:;,:

It is desired that control be returned to LP + DISP + 3 when the RET instruction is executed in the subroutine. The set of instructions that precede the RET instruction in the subroutine are:

POP D
DAD H
PUSH D
POP H
DAD D
INX H
INX H
INX H
PUSH H
POP H
DAD D
PUSH D
XTHL
INX D
INX D
INX D
XTHL

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