Student Id :

$(25$pts$)$ a$)$ What is the purpose of the following program? b$)$ After the following program is executed what are the contents of $A,R5,R6$ and R$7?$

MOV $A,$ #OFEH

MOV $P1,A$

MOV $\frac{?}{PI},$#$0E8H$

MOV A$,$ PI

MOV $B,$#$10$

DIV AB

MOV R$7,$ B

MOV $B,$#$10$

DIV AB

MOV $R6,B$

MOV R$5,$ A

$R5=$

$R6=,R7=$

ACC$=$

After the following program is executed, what are the contents of $R6$ and $RT$ in Hex?