Connect 8 LEDs to the data port of the parallel port and connect a switch to s4.

Write an assembly language program that does the following

When the switch is off the program exists, but when the switch is on do the following:

a. When user presses 1 on the keyboard, the LEDs light

b. When user presses 2 on the keyboard, the LEDs off

bonus mark:

c. When user presses 3 on the keyboard, the LEDs light from right to left

(hint: you can use rotate instruction(ROL) to rotate this value 1000 0000 and delay procedure to solve this part)