(SW)-BUSBUS-PC
(PC)-AR(PC)+1
5D
60
05
DZ
31
73
6D
(R2)-DR1
02
RAM-BUS-DR1(PC)+1
JMP
30
3E
RAM-BUSBUS-IR
13
图2-1 微程序流程图
(DR1)⋀(DR2)→Rd
RM(10)
HLT
(Rd)-BUS-DR2
36
2A
26
（PC）-AR(PC)+1
(DR1)-BUSBUS-PC
RAM-BUSBUS-Rd
62
29
39
DR2-BUSBUS-AR
(P6)
(PC)-AR
(Rs)-BUS-DR1
WM(11)
63
03
NOP
33
RAM-BUS-Rd
Rd-BUS-DR1
(DR1)+(DR2)→BUS→ARBUS→DR2
Y=10
JC
OR
71
(DR1)⊕(DR2)→Rd
(DR1)-(DR2)→Rd
(Rd)-BUS-RAM
47
15
64
27
4C
(PC)-BUSBUS-DR1
TJ
35
(SW)-BUSBUS-DR1
(P4)
16
(Rd)-BUS-DR1
75
RAM-BUSBUS-DR2
KT
STA
70
20
07
(P1)
¬(DR2)-BUS-Rd
ADD
37
10
X=11
(DR1)+(DR2)→Rd
3A
14
DEC
RAL
(DR1)⋁(DR2)→Rd
(P3)
MOV
3F
Y=01
46
3D
72
4F
LAD
2B
PC-BUS-DR1
4E
5E
X=01
01
12
附件1
22
6C
11
3C
28
AND
2(Rd)-BUS-Rd
06
21
(SW)-BUSBUS-IR
¬(DR1)+(DR2)→PC
1/2(Rd)-BUS-Rd
Y=11
计科1405Mengqi Gu
QD(01)
34
(DR1)-BUS-Rd
48
25
2F
2E
SUB
4D
00
5F
23
(P2)
X=10
61
LDI
X=00
49
RAR
24
Y=00
DR1-BUS-RAM(PC)+1
(DR1)+¬(DR2)→PC
(DR1)-1→BUS→Rd
45
XOR
¬((DR1)+(DR2))→PC
2D
32
2C
QD
0--INTR
(DR1)+(DR2)→PC
COM
38
