o_195el323dsdltcp7ddminp1sa.pdf

Fetch 

1-Bus 2-Bus 3-Bus 

Step Concrete RTN Control Sequence Step Concrete RTN Control Sequence Step Concrete RTN Control Sequence 

T 0 MA←PC : C←PC+4 PC out , MAin, INC4, C in T 0 MA←PC PC out , C=B, MA in 

T 1 MD←M[MA] : PC←C Read, Wait, C out , PC in T 1 PC←PC+4 : MD←M[MA] 

PC out , INC4, PC in , Read, 

Wait 

T 2 IR←MD MD out , IR in T 2 IR←MD MD out , C=B, IR in T 1 IR←MD MD out , C=B, IR in 

T 0 

MA←PC : MD←M[MA] : 

PC←PC+4 

PC out , MA B in, INC4, PC in , 

Read, Wait 

OPC 1: ld r a , c 2 / ld r a , c 2 (r b ) 



(r 

T b =0)→(A←0) 

(r 

3 

Gr 

(r b ≠0)→(A←R[r b ]) 

b , BA out , A in T b =0)→(A←0) 

3 

Gr 

(r b ≠0)→(A←R[r b ]) 

b , BA out , C=B, A in 

(r b =0)→(MA←C 2 {Sign Ext}) 

G A r 

T 

T 4 C←A+C 2 {Sign Ext} C 2out , ADD, C in T 4 MA←A+C 2 {Sign Ext} C 2out , ADD, MA 2 (r b ≠0)→(MA←R[r b ] 

b , BA A out, C 2out , ADD, 

in 

MA C 

+C 2 {Sign Ext}):MD←M[MA] 

in, Read, Wait 

T 5 MA←C C out , MA in T 5 MD←M[MA] Read, Wait 

T 6 MD←M[MA] Read, Wait T 6 R[r a ]←MD MD out , C=B, Sr a , R in , End. T 3 R[r a ]←MD MD out , C=B, Sr a , R in , End. 

T 7 R[r a ]←MD MD out , Gr a , R in , End. 

OPC 2: ldr r a , c 1 



T 3 A←PC PC out , A in T 3 A←PC PC out , C=B, A in T 2 R[r a ]←PC PC out , C=B, Sr a , R in 

T 4 C←A+C 1 {Sign Ext} C 1out , ADD, C in T 4 MA←A+C 1 {Sign Ext} C 1out , ADD, MA in 

MA←R[r 

T a ]+ C 1 {Sign Ext} : 

3 

T 5 MA←C C out , MA in T 5 MD←M[MA] Read, Wait 

MD←M[MA] 

C 1out , G A r a , Rout, ADD, 

MA C in, Read, Wait 

T 6 MD←M[MA] Read, Wait T 6 R[r a ]←MD MD out , C=B, Sr a , R in , End. T 4 R[r a ]←MD MD out , C=B, Sr a , R in , End. 

T 7 R[r a ]←MD MD out , Gr a , R in , End. 

OPC 3: st r a , c 2 / st r a , c 2 (r b ) 



T 3 

(r b =0)→(A←0) 

(r 

Gr 

(r b ≠0)→(A←R[r b ]) 

b , BA out , A in T b =0)→(A←0) 

3 

(r b ≠0)→(A←R[r b ]) 


T 5 MA←C C out , MA in T 5 MD←R[r a ] Gr a , R out , C=B, MD bus 

T 6 MD←R[r a ] Gr a , R out , MD bus T 6 M[MA]←MD Write, Wait, End. 

T 7 M[MA]←MD Write, Wait, End. 

Gr b , BA out , C=B, A in T 2 MD←R[r a ] G B r a , R out , C=B, MD bus 

T 3 

(r b =0)→(MA←C 2 {Sign Ext}) 

G A r 

(r b ≠0)→(MA←R[r b ] 

b , BA A out, C 2out , ADD, 

MA 

+C 2 {Sign Ext}):M[MA]←MD in , Write, Wait, End. 

OPC 4: str r a , c 1 



T 3 A←PC PC out , A in T 3 A←PC PC out , A in T 2 MD←R[r a ] Gr a , R out , MD bus 


MA←PC+C 

T 1 {Sign Ext} : 

3 

T 5 MA←C C out , MA in T 5 MD←R[r a ] Gr a , R out , MD bus 

M[MA]←MD 

T 6 MD←R[r a ] Gr a , R out , MD bus T 6 M[MA]←MD Write, Wait, End. 

T 7 M[MA]←MD Write, Wait, End. 

C 1out , ADD, MA in , Write, 

Wait, End.

OPC 5: la r a , c 2 / la r a , r b , c 2 



T 3 

(r b =0)→(A←0) 

(r 

Gr 

(r b ≠0)→(A←R[r b ]) 

b , BA out , A in T b =0)→(A←0) 

3 

(r b ≠0)→(A←R[r b ]) 

Gr b , BA out , C=B, A in 

T 4 C←A+C 2 {Sign Ext} C 2out , ADD, C in T 4 R[r a ]←A+C 2 {Sign Ext} C 2out , ADD, Sr a , R in , End. 

T 5 R[r a ]←C C out , Gr a , R in , End. 

T 2 

(r b =0)→(R[r a ]←C 2 {Sign Ext}) 

(r b ≠0)→(R[r a ]←R[r b ] 

+C 2 {Sign Ext}) 

G A r b , BA A out, C 2out , ADD, 

Sr a , R in , End. 

OPC 6: lar r a , c 1 



T 3 A←PC PC out , A in T 3 A←PC PC out , A in T 2 R[r a ]←PC PC out , C=B, Sr a , R in 


T 3 R[r a ]←R[ra]+C 1 {Sign Ext} 


G A r a , Rout, C 1out , ADD, Sr a , 

R in , End. 

OPC 8: br r b / brzr r b , r c / brnz r b , r c / brpl r b , r c / brmi r b , r c 



T 3 CON←Cond(R[r c ]) Gr c , R out , CON in T 3 CON←Cond(R[r c ]) Gr c , R out , CON in T 2 CON←Cond(R[r c ]) G A r c , R A out, CON in 

CON→(Gr 

T 4 CON→(PC←R[r b ]) 

b , R out , PC in ), 

CON→(Gr 

T 

End. 

4 CON→(PC←R[r b ]) 

b , R out , C=B, 

CON→(Gr 

T 

PC in ), End. 



PC in ), End. 

OPC 9: brl r a , r b / brlnv r a / brlzr r a , r b , r c / brlnz r a , r b , r c / brlpl r a , r b , r c / brlmi r a , r b , r c 



T 3 CON←Cond(R[r c ]) Gr c , R out , CON in T 3 CON←Cond(R[r c ]) Gr c , R out , CON in T 2 CON←Cond(R[r c ]) G A r c , R A out, CON in 

T 4 R[r a ]←PC PC out , Gr a , R in T 4 R[r a ]←PC PC out , C=B, Sr a , R in T 3 R[r a ]←PC PC out , C=B, Sr a , R in 

CON→(Gr 

T 5 CON→(PC←R[r b ]) 

b , R out , PC in ), 

CON→(Gr 

T 

End. 



CON→(Gr 

T 

PC in ), End. 



PC in ), End. 

OPC 12: add r a , r b, r c 



T 3 A←R[r b ] Gr b , R out , A in T 3 A←R[r b ] Gr b , R out , C=B, A in 

T 4 C←A+R[r c ] Gr c , R out , ADD, C in 

Gr 

T 4 R[r a ]←A+R[r c ] 

c , R out , ADD, Sra, R in , 


End. 

T 2 R[r a ]← R[r b ]+R[r c ] 

G A r b , R A out, G B r c , R B out, 

ADD, Sra, R in , End. 

OPC 13: addi r a , r b , c 2 






T 2 

R[r a ]←R[r b ]+C 2 {Sign Ext} 

G A r b , BA A out, C 2out , ADD, 

Sr a , R in , End.

OPC 14: sub r a , r b, r c 




T 4 C←A-R[r c ] Gr c , R out , SUB, C in 

Gr 

T 4 R[r a ]←A-R[r c ] 

c , R out , SUB, Sra, R in , 


End. 

T 2 R[r a ]← R[r b ]-R[r c ] 


SUB, Sra, R in , End. 

OPC 15: neg r a , r c 



T 3 A←R[r c ] Gr c , R out , A in T 3 A←R[r c ] Gr c , R out , C=B, A in 

G A r 

T 2 R[r a ]← R[r c ]-R[r c ] 

c , R A out, G B r c , R B out, 

T 4 C←A-R[r c ] Gr c , R out , SUB, C in T 4 A←A-R[r c ] Gr c , R out , SUB, A in 

SUB, Sr a , R in 

T 5 A←C C out , A in 

Gr 

T 5 R[r a ]←A-R[r c ] 

c , R out , SUB, Sr a , R in , 

G A r 

T 

T 6 C←A-R[r c ] Gr c , R out , SUB, C in 

End. 

3 R[r a ]← R[r a ]-R[r c ] 

c , R A out, G B r c , R B out, 

SUB, Sr a , R in , End. 


OPC 20: and r a , r b, r c 




T 4 C←AΛR[r c ] Gr c , R out , AND, C in 

Gr 

T 4 R[r a ]←AΛR[r c ] 

c , R out , AND, Sra, R in , 


End. 

T 2 R[r a ]← R[r b ]ΛR[r c ] 


AND, Sra, R in , End. 

OPC 21: andi r a , r b , c 2 




T 4 C←AΛC 2 {Sign Ext} C 2out , AND, C in T 4 R[r a ]←AΛC 2 {Sign Ext} C 2out , AND, Sr a , R in , End. 


T 2 

R[r a ]←R[r b ] ΛC 2 {Sign Ext} 

G A r b , BA A out, C 2out , AND, 

Sr a , R in , End. 

OPC 22: or r a , r b, r c 




G A r 

T 2 R[r a ]← R[r b ]VR[r c ] 

b , R A out, G B r c , R B out, OR, 

T 4 C←AVR[r c ] Gr c , R out , OR, C in T 4 R[r a ]←AVR[r c ] Gr c , R out , OR, Sra, R in , End. 

Sra, R in , End. 

T 5 R[r a ]←C C out , Gr a , R in , End.

OPC 23: ori r a , r b , c 2 




T 4 C←AVC 2 {Sign Ext} C 2out , OR, C in T 4 R[r a ]←AVC 2 {Sign Ext} C 2out , OR, Sr a , R in , End. 


T 2 

R[r a ]←R[r b ]VC 2 {Sign Ext} 

G A r b , BA A out, C 2out , OR, Sr a , 

R in , End. 

OPC 24: not r a , r c 



T 3 C←┐R[r c ] Gr c , R out , NOT, C in 

Gr 

T 3 R[r a] ←┐R[r c ] 

c , R out , NOT, Sr a , R in , 

G B r 

T 


End. 

2 R[r a] ←┐R[r c ] 

c , R B out, NOT, Sr a , R in , 

End. 

OPC 26: shr r a , r b , c 3 / shr r a , r b , r c 



T 3 n←IR C 1out , Ld T 3 n←IR C 1out , Ld T 2 n←IR C 1out , Ld 

T 4 (n=0)→(n←R[r c ]) (n=0)→(Gr c , R out , Ld) T 4 (n=0)→(n←R[r c ]) (n=0)→(Gr c , R out , Ld) T 3 (n=0)→(n←R[r c ]) (n=0)→(Gr c , R out , Ld) 

T 5 C←R[r b ] Gr b , R out , C=B, C in T 5 R[r a ]←R[r b ] Gr b , R out , C=B, Sr a , R in T 4 R[r a ]←R[r b ] G B r b , R B out, C=B, Sr a , R in 

Shr (:= 

Shr (:= (n≠0)→ 

(n≠0)→(Gr 

(n≠0)→(C 

T 6 (n≠0)→(C←0#C : 

out , SHR, C in , 

a , R out , SHR, 

Shr (:= (n≠0)→ 

(n≠0)→(G B r a , R B out, SHR, 

T 

Decr, Goto6) 

6 (R[r a ]←0#R[r a ] : Sr a , R in , Decr, Goto6) T 5 (R[r a ]←0#R[r a ] : Sr a , R in , Decr, Goto5) 

n←n-1 ; Shr ) ); 

n←n-1 ; Shr ) ); 

(n=0)→End. 

n←n-1 ; Shr ) ); 

(n=0)→End. 


OPC 27: shra r a , r b , c 3 / shra r a , r b , r c 






Shra (:= (n≠0)→ 

Shra (:= (n≠0)→(R[r 

(n≠0)→(C 

T 6 (C←C#C : 

out , SHRA, C in , 

a ]← (n≠0)→(Gr a , R out , SHRA, Shra (:= (n≠0)→(R[r a ]← (n≠0)→(G B r a , R B out, SHRA, 

T 

Decr, Goto6) 

6 R[r a ]#R[r a ] : Sr a , R in , Decr, Goto6) T 5 R[r a ]#R[r a ] : Sr a , R in , Decr, Goto5) 

n←n-1 ; Shra ) ); 

n←n-1 ; Shra ) ); 

(n=0)→End. 

n←n-1 ; Shra ) ); 

(n=0)→End. 


OPC 28: shl r a , r b , c 3 / shl r a , r b , r c 






Shl (:= 

Shl (:= (n≠0)→ (R[r 

(n≠0)→(C 

T 6 (n≠0)→(C←C#0 : 

out , SHL, C in , 

a ]← (n≠0)→(Gr a , R out , SHL, Sr a , Shl (:= (n≠0)→ 

(n≠0)→(G B r a , R B out, SHL, 

T 

Decr, Goto6) 

6 R[r a ]#0 : n←n-1 ; R in , Decr, Goto6) 

T 5 (R[r a ]←R[r a ]#0 : Sr a , R in , Decr, Goto5) 

n←n-1 ; Shl ) ); 

Shl) ); 

(n=0)→End. 

n←n-1 ; Shl) ); 

(n=0)→End. 

T 7 R[r a ]←C C out , Gr a , R in , End.

OPC 29: shc r a , r b , c 3 / shc r a , r b , r c 






Shc (:= (n≠0)→ 

Shc (:= (n≠0)→(R[r 

(n≠0)→(C 

T 6 (C← C#C : 

out , SHC, C in , 

a ]← (n≠0)→(Gr a , R out , SHC, 

Shc (:= (n≠0)→(R[r a ]← (n≠0)→(G B r a , R B out, SHC, 

T 

Decr, Goto6) 

6 R[r a ]# R[r a ] : Sr a , R in , Decr, Goto6) T 5 R[r a ]# R[r a ] : Sr a , R in , Decr, Goto5) 

n←n-1 ; Shc) ); 

n←n-1 ; Shc) ); 

(n=0)→End. 

n←n-1 ; Shc) ); 

(n=0)→End. 


Command 

Steps 

opc name 1-bus 2-bus 3-bus 

- fetch 3 3 2 

0 nop 

1 ld 8 7 4 

2 ldr 8 7 5 

3 st 8 7 4 

4 str 8 7 4 

5 la 6 5 3 

6 lar 6 5 4 

8 br 5 5 4 

9 brl 6 6 5 

10 een 

11 edi 

12 add 6 5 3 

13 addi 6 5 3 

14 sub 6 5 3 

15 neg 8 6 4 

16 svi 

17 ri 

20 and 6 5 3 

21 andi 6 5 3 

22 or 6 5 3 

23 ori 6 5 3 

24 not 5 4 3 

26 shr 8+n 7+n 6+n 

27 shra 8+n 7+n 6+n 

28 shl 8+n 7+n 6+n 

29 shc 8+n 7+n 6+n 

30 rfi 

31 stop 

Free OP Codes: 7,18,19,25

o_195el323dsdltcp7ddminp1sa.pdf

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?