Write an assembly language program that performs the following operations:

Adds ASCII values of $\text{'}1\text{'}$ and $\text{'}9\text{'},$ and converts the result to ASCII.

Divides number by $7$ and stores the result in $AL$ with any remainder in $AH.$

Multiplies $5$ by $5,$ and converts the result to ASCII.

Subtracts the ASCII value of $\text{'}1\text{'}$ from the ASCII value of $\text{'}8\text{'},$ and converts the result to ASCII.