a$.$ Develop a time delay procedure for the $2\mathrm{.}0GHz$ Pentium$-$Core $2$ that walts for

$70ms$

b$.$ The $8255$ shown in the following is configured as follows: port $A$ as output. $B$

as output, and port $C($low and high$)$ as input.

Find the port addresses assigned to A$,$ B$,$ C and the control register

Find the control byte $($word$)$ for this configuration.

Program the ports to input data from port A and send it to both ports $B$ and

c$.$

Hint you can use delay in $($a$)$ if needed

PLEASE ANSWER IT QUICKLY $,$ TIME LEFT IS $30$ MIN