Question $3$

Specify the $16-$bit control word shown in Figure Q$\mathrm{.}3($a$)$ that must be applied to the datapath shown in the Figure Q$\mathrm{.}3($b$)$ to implement each of the following microoperations

$($i$)$ R$3$ larr Data in

$($ii$)R4$larr$0$

$($iii$)$ R$1$ larr sr R$4$

The binary representation of FS signal is given in Table Q$3$

Table Q$3$

$\backslash$table$[[$FS$],[$Function$,$Code$],[F=A,0000],[F=A+1,0001],[F=A+B,0010],[F=A+B+1,0011],[F=A\frac{+}{b}ar(B),0100],[F=A\frac{+}{b}ar(B)+1,0101],[F=A-1,0110],[F=A,0111],[F=A^{{?}^{?}}B,1000],[F=$AvvB,$1001],[F=Ao+B,1010],[F\frac{?}{b}=ar(A),1011],[F=B,1100],[F=srB,1101],[F=slB,1110]]$

Figure Q$3($b$)$