$7-16.$ Add the following instructions to the computer of Sec $7-3($EA is the effective address$).$ Write the symbolic microprogram for each routine as in Table $7-2.($Note that $AC$ must not change in value unless the instruction specifies a change in $AC.)$

$\backslash$table$[[$Symbol$,$Opcode,Symbolic Function,Description$],[$AND$,0100,AClarrA{C}^{{?}^{?}}M[EA],$AND$],[$SUB$,0101,$AClarrAC$-M[EA],$Subtract$],[$ADM$,0110,M[EA]larrM[EA]+AC,$Add to memory$],[$BTCL$,0111,AClarrA{C}^{{?}^{?}}M[EA],$Bit clear$],[$BZ$,1000,$If $)=(0$ then $(PClarrEA),$Branch if $AC$ zero$],[$SEQ$,1001,$If $)=(M[EA]$ then $(PClarrPC+1),$Skip if equal$],[$BPNZ$,1010,$If $)>(0$ then $(PClarrEA),$Branch if positive$],[,,,$and nonzero$]]$