Q$3$: Write an assembly code to control a traffic system using a loop. So that:

The main street is north$-$south.

The states are shown in the figure.

The control information should be sent from memory location $($TFX$)$ to the system.

All delay will be three no operation.

Get the control word from the system, then send it to memory location $($TFR$).$ Do not use any memory name inside the loop.

$(5$ Marks$)$