
MB89120 / 120A系列
表3
助记符
ADDC A,日
ADDC A, # D8
ADDC A, DIR
ADDC A,@ IX +关闭
ADDC A,@ EP
ADDCW一
ADDC一
SUBC A,日
SUBC A, # D8
SUBC A, DIR
SUBC A,@ IX +关闭
SUBC A,@ EP
SUBCW一
SUBC一
INC日
INCW EP
INCW IX
INCW一
DEC日
DECW EP
DECW IX
DECW一
MULU一
DIVU一
ANDW一
ORW一
XORW一
CMP A
CMPW一
RORC一
ROLC一
CMP A , # D8
CMP A , DIR
CMP A,@ EP
CMP A,@ IX +关闭
CMP A ,日
DAA
DAS
XOR A
XOR A, # D8
XOR A, DIR
XOR A,@ EP
XOR A,@ IX +关闭
XOR A,日
AND A
AND A, # D8
与A, DIR
~
3
2
3
4
3
3
2
3
2
3
4
3
3
2
4
3
3
3
4
3
3
3
19
21
3
3
3
2
3
2
2
2
3
3
4
3
2
2
2
2
3
3
4
3
2
2
3
#
1
2
2
2
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
1
2
2
1
2
1
1
2
2
算术运算指令( 62条指令)
手术
(A)
←
( A) + (RI ) + C
(A)
←
( A) + D8 + C
(A)
←
( A) + ( DIR ) + C
(A)
←
( A) + ( ( IX )+关闭) + C
(A)
←
( A) + ( ( EP ) ) + C
(A)
←
( A) + ( T) + C
(铝)
←
( AL ) + ( TL ) + C
(A)
←
(A)
( RI )
C
(A)
←
(A)
d8
C
(A)
←
(A)
( DIR)的
C
(A)
←
(A)
( ( IX )+关闭)
C
(A)
←
(A)
( (EP) )
C
(A)
←
(T)
(A)
C
(铝)
←
( TL )
(铝)
C
( RI )
←
( RI) + 1
(EP)的
←
(EP )+1
( IX )
←
(Ⅸ )+1
(A)
←
(A) + 1
( RI )
←
( RI )
1
(EP)的
←
(EP)的
1
( IX )
←
( IX )
1
(A)
←
(A)
1
(A)
←
(铝)
×
( TL )
(A)
←
( T) / ( AL ) , MOD
→
(T)
(A)
←
(A)
∧
(T)
(A)
←
(A)
∨
(T)
(A)
←
(A)
(T)
( TL )
(铝)
(T)
(A)
→
C
→
A
C
←
A
←
(A)
d8
(A)
( DIR)的
(A)
( (EP) )
(A)
( ( IX )+关闭)
(A)
( RI )
十进制调整除
十进制调整减法
(A)
←
(铝)
( TL )
(A)
←
(铝)
d8
(A)
←
(铝)
( DIR)的
(A)
←
(铝)
( (EP) )
(A)
←
(铝)
( ( IX )+关闭)
(A)
←
(铝)
( RI )
(A)
←
(铝)
∧
( TL )
(A)
←
(铝)
∧
d8
(A)
←
(铝)
∧
( DIR)的
TL
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
dL
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
TH
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
00
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
AH
–
–
–
–
–
dH
–
–
–
–
–
–
dH
–
–
–
–
dH
–
–
–
dH
dH
00
dH
dH
dH
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
NZVC
++++
++++
++++
++++
++++
++++
++++
++++
++++
++++
++++
++++
++++
++++
+++–
––––
––––
++––
+++–
––––
––––
++––
––––
––––
++R–
++R–
++R–
++++
++++
++–+
++–+
++++
++++
++++
++++
++++
++++
++++
++R–
++R–
++R–
++R–
++R–
++R–
++R–
++R–
++R–
操作码
28 2F
24
25
26
27
23
22
38 3F
34
35
36
37
33
32
C8到CF
C3
C2
C0
D8为DF
D3
D2
D0
01
11
63
73
53
12
13
03
02
14
15
17
16
18至1F
84
94
52
54
55
57
56
58至5F
62
64
65
(续)
41