GMS800 Series
HYUNDAI Micro Electronics
C.3 Instruction Set
Arithmetic / Logic Operation
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Mnemonic
ADC #imm
ADC dp
ADC dp + X
ADC !abs
ADC !abs + Y
ADC [ dp + X ]
ADC [ dp ] + Y
ADC { X }
AND #imm
AND dp
AND dp + X
AND !abs
AND !abs + Y
AND [ dp + X ]
AND [ dp ] + Y
AND { X }
ASL A
ASL dp
ASL dp + X
ASL !abs
CMP #imm
CMP dp
CMP dp + X
CMP !abs
CMP !abs + Y
CMP [ dp + X ]
CMP [ dp ] + Y
CMP { X }
CMPX #imm
CMPX dp
CMPX !abs
CMPY #imm
CMPY dp
CMPY !abs
COM dp
DAA
DAS
DEC A
DEC dp
DEC dp + X
DEC !abs
DEC X
DEC Y
Op
Code
04
05
06
07
15
16
17
14
84
85
86
87
95
96
97
94
08
09
19
18
44
45
46
47
55
56
57
54
5E
6C
7C
7E
8C
9C
2C
DF
CF
A8
A9
B9
B8
AF
BE
Byte
No
2
2
2
3
3
2
2
1
2
2
2
3
3
2
2
1
1
2
2
3
2
2
2
3
3
2
2
1
2
2
3
2
2
3
2
1
1
1
2
2
3
1
1
Cycle
No
2
3
4
4
5
6
6
3
2
3
4
4
5
6
6
3
2
4
5
5
2
3
4
4
5
6
6
3
2
3
4
2
3
4
4
3
3
2
4
5
5
2
2
Arithmetic shift left
C
Operation
Add with carry.
A
←
(A)+(M)+C
Flag
NVGBHIZC
NV--H-ZC
Logical AND
A
←
(A)
∧
(M)
N-----Z-
7 6 5 4 3 2 1 0
← ←←←←←←←←
N-----ZC
←
“0”
Compare accumulator contents with memory contents
(A) -(M)
N-----ZC
Compare X contents with memory contents
(X)-(M)
Compare Y contents with memory contents
(Y)-(M)
1’S Complement : ( dp )
←
~( dp )
Decimal adjust for addition
Decimal adjust for subtraction
Decrement
M
←
(M)-1
N-----ZC
N-----ZC
N-----Z-
N-----ZC
N-----ZC
N-----Z-
N-----Z-
N-----Z-
N-----Z-
N-----Z-
N-----Z-
x
DEC. 1999
HYNIX [ HYNIX SEMICONDUCTOR ]
