mic$1,$ assembly, C program.

I need help implementing a NAND instruction on my microcode. My C file had a switch case for NAND, and my assembly file has instructions for NAND, but my microcode file doesnt, and I dont know how to implement it$.$Here is my microcode.mc file:

$0$: mar :$=$ pc; rd;

$1$: pc :$=1+$ pc; rd;

$2$: ir :$=$ mbr; if n then goto $28$;

$3$: tir :$=$ lshift$($ir $+$ ir$)$; if n then goto $19$;

$4$: tir :$=$ lshift$($tir$)$; if n then goto $11$;

$5$: alu :$=$ tir; if n then goto $9$;

$6$: mar :$=$ ir; rd;

$7$: rd;

$8$: ac :$=$ mbr; goto $0$;

$9$: mar :$=$ ir; mbr :$=$ ac; wr;

$10$: wr; goto $0$;

$11$: alu :$=$ tir; if n then goto $15$;

$12$: mar :$=$ ir; rd;

$13$: rd;

$14$: ac :$=$ ac $+$ mbr; goto $0$;

$15$: mar :$=$ ir; rd;

$16$: ac :$=1+$ ac; rd;

$17$: a :$=$ inv$($mbr$)$;

$18$: ac :$=$ a $+$ ac; goto $0$;

$19$: tir :$=$ lshift$($tir$)$; if n then goto $25$;

$20$: alu :$=$ tir; if n then goto $23$;

$21$: alu :$=$ ac; if n then goto $0$;

$22$: pc :$=$ band$($ir$,$ amask$)$; goto $0$;

$23$: alu :$=$ ac; if z then goto $22$;

$24$: goto $0$;

$25$: alu :$=$ tir; if n then goto $27$;

$26$: pc :$=$ band$($ir$,$ amask$)$; goto $0$;

$27$: ac :$=$ band$($ir$,$ amask$)$; goto $0$;

$28$: tir :$=$ lshift$($ir $+$ ir$)$; if n then goto $40$;

$29$: tir :$=$ lshift$($tir$)$; if n then goto $35$;

$30$: alu :$=$ tir; if n then goto $33$;

$31$: a :$=$ sp $+$ ir;

$32$: mar :$=$ a; rd; goto $7$;

$33$: a :$=$ sp $+$ ir;

$34$: mar :$=$ a; mbr :$=$ ac; wr; goto $10$;

$35$: alu :$=$ tir; if n then goto $38$;

$36$: a :$=$ sp $+$ ir;

$37$: mar :$=$ a; rd; goto $13$;

$38$: a :$=$ sp $+$ ir;

$39$: mar :$=$ a; rd; goto $16$;

$40$: tir :$=$ lshift$($tir$)$; if n then goto $46$;

$41$: alu :$=$ tir; if n then goto $44$;

$42$: alu :$=$ ac; if n then goto $22$;

$43$: goto $0$;

$44$: alu :$=$ ac; if z then goto $0$;

$45$: pc :$=$ band$($ir$,$ amask$)$; goto $0$;

$46$: tir :$=$ lshift$($tir$)$; if n then goto $50$;

$47$: sp :$=$ sp $+(-1)$;

$48$: mar :$=$ sp; mbr :$=$ pc; wr;

$49$: pc :$=$ band$($ir$,$ amask$)$; wr; goto $0$;

$50$: tir :$=$ lshift$($tir$)$; if n then goto $65$;

$51$: tir :$=$ lshift$($tir$)$; if n then goto $59$;

$52$: alu :$=$ tir; if n then goto $56$;

$53$: mar :$=$ ac; rd;

$54$: sp :$=$ sp $+(-1)$; rd;

$55$: mar :$=$ sp; wr; goto $10$;

$56$: mar :$=$ sp; sp :$=$ sp $+1$; rd;

$57$: rd;

$57$: rd;

$58$: mar :$=$ ac; wr; goto $10$;

$59$: alu :$=$ tir; if n then goto $62$;

$60$: sp :$=$ sp $+(-1)$;

$61$: mar :$=$ sp; mbr :$=$ ac; wr; goto $10$;

$62$: mar :$=$ sp; sp :$=$ sp $+1$; rd;

$63$: rd;

$64$: ac :$=$ mbr; goto $0$;

$65$: tir :$=$ lshift$($tir$)$; if n then goto $73$;

$66$: alu :$=$ tir; if n then goto $70$;

$67$: mar :$=$ sp; sp :$=$ sp $+1$; rd;

$68$: rd;

$69$: pc :$=$ mbr; goto $0$;

$70$: a :$=$ ac;

$71$: ac :$=$ sp;

$72$: sp :$=$ a; goto $0$;

$73$: alu :$=$ tir; if n then goto $76$;

$74$: a :$=$ band$($ir$,$ smask$)$;

$75$: sp :$=$ sp $+$ a; goto $0$;

$76$: tir :$=$ tir $+$ tir; if n then goto $80$;

$77$: a :$=$ band$($ir$,$ smask$)$;

$78$: a :$=$ inv$($a$)$;

$79$: a :$=$ a $+1$; goto $75$;

$80$: tir :$=$ tir $+$ tir; if n then goto $111$;

$81$: alu :$=$ tir $+$ tir; if n then goto $103$;

$82$: a :$=$ lshift$(1)$;

$83$: a :$=$ lshift$($a $+1)$;

$84$: a :$=$ lshift$($a $+1)$;

$85$: a :$=$ lshift$($a $+1)$;

$86$: a :$=$ lshift$($a $+1)$;

$87$: a :$=$ a $+1$;

$88$: b :$=$ band$($ir$,$ a$)$;

$89$: mar :$=$ sp; rd;

$90$: rd;

$91$: a :$=$ mbr;

$92$: c :$=(-1)$;

$93$: d :$=0$;

$94$: alu :$=$ a; if n then goto $97$;

$95$: c :$=$ c $+1$; goto $97$;

$96$: alu :$=$ c; if z then goto $100$;

$97$: b :$=$ b $+(-1)$; if n then goto $101$;

$98$: d :$=$ d $+$ a; if n then goto $96$;

$99$: alu :$=$ c; if z then goto $97$;

$100$: ac :$=(-1)$; goto $0$;

$101$: mar :$=$ sp; ac :$=0$;

$102$: mbr :$=$ d; wr; goto $10$;

$103$: a :$=$ lshift$(1)$;

$104$: a :$=$ lshift$($a $+1)$;

$105$: a :$=$ lshift$($a $+1)$;

$106$: a :$=$ a $+1$;

$107$: b :$=$ band$($ir$,$ a$)$;

$108$: b :$=$ b $+(-1)$; if n then goto $110$;

$109$: ac :$=$ rshift$($ac$)$; goto $108$;

$110$: goto $0$;

$111$: tir :$=$ tir $+$ tir; if n then goto $155$;

$112$: d :$=1$

$113$: mar :$=$ sp;

$114$: rd;

$115$: a :$=$ mbr;

$116$: b :$=$ sp $+1$;

$117$: mar :$=$ b; rd;

$118$: rd;

$119$: b :$=$ mbr; if z then goto $147$;

$120$: alu :$=$ a; if n then goto $123$;

$121$: alu :$=$ b; if n then goto $125$;

$122$: goto $129$;

$123$: a :$=$ inv$($a$)$;

$124$: a :$=$ a $+1$; goto $127$;

$125$: b :$=$ inv$($b$)$;

$126$: b :$=$ b $+1$;

$127$: d :$=$ inv$($d$)$;

$128$: d :$=$ d $+1$; goto $120$;

$129$: c :$=0$

$130$: b :$=$ inv$($b$)$;

$131$: b :$=$ b $+1$;

$132$: e :$=$ a;

$133$: a :$=$ a $+$ b; if n then goto $135$;

$134$: c :$=$ c $+1$; goto $132$;

$135$: f :$=$ sp $+(-1)$;

$136$: mar :$=$ f;

$137$: mbr :$=$ e; wr;

$138$: wr;

$139$: alu :$=$ d; if n then goto $144$;

$140$: f :$=$ f $+(-1)$;

$141$: mar :$=$ f;

$142$: mbr :

$143$: wr; goto $146$;

$144$: c :$=$ inv$($c$)$;

$145$: c :$=$ c $+1$; goto $140$;

$146$: ac :$=0$; goto $0$;

$147$: f :$=$ sp $+(-1)$;

$148$: mar :$=$ f;

$149$: mbr :$=(-1)$; wr;

$150$: wr;

$151$: f :$=$ f $+(-1)$;

$152$: mar :$=$ f; ac :$=(-1)$;

$153$: mbr :