$$ Write an assembly language instructions to add $2$ numbers by

following these steps:

$1.$ Assign value $6868$H to variable OPR$1$

$2.$ Assign value $0420$H to variable OPR$2$

$3.$ Save a place in memory to store the result of the addition

$4.$ Add the $2$ numbers OPR$1$ and OPR$2$

$5.$ Store the result in the memory location allocated for the result