MC81F4x16
FLAG
OP
CODE
BYTE
NO
CYCLE
NO
NO.
MNEMONIC
OPERATION
NVGBHIZC
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
CMP [ dp ] + Y
CMP { X }
CMPX #imm
CMPX dp
CMPX !abs
CMPY #imm
CMPY dp
CMPY !abs
COM dp
57
54
5E
6C
7C
7E
8C
9C
2C
-
2
1
2
2
3
2
2
3
2
-
6
3
2
3
4
2
3
4
4
-
Compare X contents with memory contents
( X ) - ( M )
N-----ZC
N-----ZC
Compare Y contents with memory contents
( Y ) - ( M )
N-----Z-
1‟s Complement : ( dp ) ~( dp )
Unsupported
DAA
-
-
DAS
-
-
-
Unsupported
DEC A
A8
A9
B9
B8
AF
BE
9B
A4
A5
A6
A7
B5
B6
B7
B4
88
89
1
2
2
3
1
1
1
2
2
2
3
3
2
2
1
1
2
2
4
5
5
2
2
12
2
3
4
4
5
6
6
3
2
4
DEC dp
DEC dp + X
DEC !abs
Decrement
N-----Z-
M ( M ) - 1
DEC
DEC
DIV
X
Y
Divide : YA/X
Q:A, R:Y
NV--H-Z-
EOR #imm
EOR dp
EOR dp + X
EOR !abs
EOR !abs + Y
EOR [ dp + X ]
EOR [ dp ] + Y
EOR { X }
INC A
Exclusive OR
N-----Z-
A ( A ) ( M )
Increment
N-----Z-
M ( M ) + 1
INC dp
192
October 19, 2009 Ver.1.35
FINECHIPS [ FINECHIPS ]
