MC68HC908AS60 — Rev. 1.0
Technical Data
MOTOROLA
Central Processor Unit (CPU)
131
Central Processor Unit (CPU)
Opcode Map
T
a
b
le
8
-2.
O
p
co
d
e
M
a
p
B
it
M
a
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ip
u
lat
io
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B
ra
n
c
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ead
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d
if
y-
W
rit
e
C
o
n
tr
o
l
R
e
g
ist
er
/Mem
o
ry
DIR
D
IR
RE
L
D
IR
INH
IX
1
S
P
1
IX
INH
IMM
D
IR
E
X
T
IX
2
S
P
2
IX
1
S
P
1
IX
0
123456
9E
6
7
89
A
B
C
D
9E
D
E
9E
E
F
0
5
BR
SE
T0
3D
IR
4
BS
ET
0
2D
IR
3
BR
A
2R
E
L
4
NE
G
2D
IR
1
NE
GA
1I
N
H
1
NE
GX
1I
N
H
4
NE
G
2I
X
1
5
NE
G
3S
P
1
3
NE
G
1I
X
7
RT
I
1I
N
H
3
BG
E
2R
E
L
2
SU
B
2I
M
3
SU
B
2D
IR
4
SU
B
3E
X
T
4
SU
B
3I
X
2
5
SU
B
4S
P
2
3
SU
B
2I
X
1
4
SU
B
3S
P
1
2
SU
B
1I
X
1
5
BR
CL
R0
3D
IR
4
BC
LR
0
2D
IR
3
BR
N
2R
E
L
5
C
BEQ
3D
IR
4
CB
EQ
A
3I
M
4
C
BEQ
X
3I
M
5
CB
EQ
3I
X
1
+
6
CBE
Q
4S
P
1
4
CB
EQ
2I
X
+
4
RTS
1I
N
H
3
BL
T
2R
E
L
2
CM
P
2I
M
3
CM
P
2D
IR
4
CM
P
3E
X
T
4
CM
P
3I
X
2
5
CM
P
4S
P
2
3
CMP
2I
X
1
4
CM
P
3S
P
1
2
CM
P
1I
X
2
5
BR
SE
T1
3D
IR
4
BS
ET
1
2D
IR
3
BH
I
2R
E
L
5
MU
L
1I
N
H
7
DI
V
1I
N
H
3
NS
A
1I
N
H
2
DA
A
1I
N
H
3
BG
T
2R
E
L
2
SB
C
2I
M
3
SB
C
2D
IR
4
SB
C
3E
X
T
4
SB
C
3I
X
2
5
SB
C
4S
P
2
3
SB
C
2I
X
1
4
SB
C
3S
P
1
2
SB
C
1I
X
3
5
BR
CL
R1
3D
IR
4
BC
LR
1
2D
IR
3
BL
S
2R
E
L
4
CO
M
2D
IR
1
CO
MA
1I
N
H
1
CO
MX
1I
N
H
4
CO
M
2I
X
1
5
CO
M
3S
P
1
3
CO
M
1I
X
9
SW
I
1I
N
H
3
BL
E
2R
E
L
2
CP
X
2I
M
3
CP
X
2D
IR
4
CP
X
3E
X
T
4
CP
X
3I
X
2
5
CP
X
4S
P
2
3
CP
X
2I
X
1
4
CP
X
3S
P
1
2
CP
X
1I
X
4
5
BR
SE
T2
3D
IR
4
BS
ET
2
2D
IR
3
BC
C
2R
E
L
4
LS
R
2D
IR
1
LS
RA
1I
N
H
1
LS
RX
1I
N
H
4
LS
R
2I
X
1
5
LS
R
3S
P
1
3
LS
R
1I
X
2
TA
P
1I
N
H
2
TX
S
1I
N
H
2
AN
D
2I
M
3
AN
D
2D
IR
4
AN
D
3E
X
T
4
AN
D
3I
X
2
5
AN
D
4S
P
2
3
AN
D
2I
X
1
4
AN
D
3S
P
1
2
AN
D
1I
X
5
5
BR
CL
R2
3D
IR
4
BC
LR
2
2D
IR
3
BC
S
2R
E
L
4
ST
HX
2D
IR
3
LD
HX
3I
M
4
LD
HX
2D
IR
3
CP
HX
3I
M
4
CP
HX
2D
IR
1
TP
A
1I
N
H
2
TS
X
1I
N
H
2
BI
T
2I
M
3
BI
T
2D
IR
4
BI
T
3E
X
T
4
BI
T
3I
X
2
5
BI
T
4S
P
2
3
BIT
2I
X
1
4
BIT
3S
P
1
2
BI
T
1I
X
6
5
BR
SE
T3
3D
IR
4
BS
ET
3
2D
IR
3
BN
E
2R
E
L
4
RO
R
2D
IR
1
RO
RA
1I
N
H
1
RO
RX
1I
N
H
4
RO
R
2I
X
1
5
RO
R
3S
P
1
3
ROR
1I
X
2
PU
LA
1I
N
H
2
LDA
2I
M
3
LDA
2D
IR
4
LDA
3E
X
T
4
LD
A
3I
X
2
5
LD
A
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P
2
3
LD
A
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X
1
4
LD
A
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P
1
2
LDA
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X
7
5
BR
CL
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3D
IR
4
BC
LR
3
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3
BE
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L
4
AS
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IR
1
AS
RA
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1
AS
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4
AS
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5
AS
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3
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2
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1
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2
AI
S
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M
3
ST
A
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IR
4
ST
A
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4
ST
A
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2
5
ST
A
4S
P
2
3
ST
A
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X
1
4
ST
A
3S
P
1
2
ST
A
1I
X
8
5
BR
SE
T4
3D
IR
4
BS
ET
4
2D
IR
3
BH
CC
2R
E
L
4
LS
L
2D
IR
1
LS
LA
1I
N
H
1
LS
LX
1I
N
H
4
LS
L
2I
X
1
5
LS
L
3S
P
1
3
LS
L
1I
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2
PU
LX
1I
N
H
1
CL
C
1I
N
H
2
EO
R
2I
M
3
EO
R
2D
IR
4
EO
R
3E
X
T
4
EO
R
3I
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2
5
EO
R
4S
P
2
3
EO
R
2I
X
1
4
EO
R
3S
P
1
2
EO
R
1I
X
9
5
BR
CL
R4
3D
IR
4
BC
LR
4
2D
IR
3
BH
CS
2R
E
L
4
RO
L
2D
IR
1
RO
L
A
1I
N
H
1
RO
LX
1I
N
H
4
RO
L
2I
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1
5
RO
L
3S
P
1
3
RO
L
1I
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2
PS
HX
1I
N
H
1
SE
C
1I
N
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2
AD
C
2I
M
3
AD
C
2D
IR
4
AD
C
3E
X
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4
AD
C
3I
X
2
5
AD
C
4S
P
2
3
AD
C
2I
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1
4
AD
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1
2
AD
C
1I
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A
5
BR
SE
T5
3D
IR
4
BS
ET
5
2D
IR
3
BP
L
2R
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L
4
DE
C
2D
IR
1
DE
CA
1I
N
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1
DE
CX
1I
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4
DE
C
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1
5
DE
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3
DE
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2
PU
LH
1I
N
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2
CL
I
1I
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2
OR
A
2I
M
3
ORA
2D
IR
4
OR
A
3E
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4
OR
A
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2
5
OR
A
4S
P
2
3
OR
A
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1
4
OR
A
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1
2
OR
A
1I
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B
5
BR
CL
R5
3D
IR
4
BC
LR
5
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IR
3
BM
I
2R
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L
5
DB
NZ
3D
IR
3
DB
NZ
A
2I
N
H
3
DB
NZ
X
2I
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5
DB
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1
6
DB
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1
4
DB
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2
PS
HH
1I
N
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2
SE
I
1I
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2
AD
D
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M
3
AD
D
2D
IR
4
AD
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4
AD
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2
5
AD
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P
2
3
AD
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1
4
AD
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1
2
AD
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1I
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C
5
BR
SE
T6
3D
IR
4
BS
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6
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IR
3
BM
C
2R
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L
4
IN
C
2D
IR
1
INCA
1I
N
H
1
IN
CX
1I
N
H
4
IN
C
2I
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1
5
IN
C
3S
P
1
3
IN
C
1I
X
1
CL
RH
1I
N
H
1
RS
P
1I
N
H
2
JM
P
2D
IR
3
JM
P
3E
X
T
4
JM
P
3I
X
2
3
JM
P
2I
X
1
2
JM
P
1I
X
D
5
BR
CL
R6
3D
IR
4
BC
LR
6
2D
IR
3
BM
S
2R
E
L
3
TS
T
2D
IR
1
TS
TA
1I
N
H
1
TS
TX
1I
N
H
3
TS
T
2I
X
1
4
TS
T
3S
P
1
2
TS
T
1I
X
1
NO
P
1I
N
H
4
BS
R
2R
E
L
4
JS
R
2D
IR
5
JS
R
3E
X
T
6
JS
R
3I
X
2
5
JSR
2I
X
1
4
JS
R
1I
X
E
5
BR
SE
T7
3D
IR
4
BS
ET
7
2D
IR
3
BI
L
2R
E
L
5
MOV
3D
D
4
MO
V
2D
IX
+
4
MO
V
3I
M
D
4
MO
V
2I
X
+
D
1
ST
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1I
N
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*
2
LD
X
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M
3
LD
X
2D
IR
4
LD
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3E
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4
LD
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2
5
LD
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4S
P
2
3
LD
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1
4
LD
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3S
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1
2
LD
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1I
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F
5
BR
CL
R7
3D
IR
4
BC
LR
7
2D
IR
3
BI
H
2R
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L
3
CL
R
2D
IR
1
CL
RA
1I
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H
1
CL
RX
1I
N
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3
CL
R
2I
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1
4
CL
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3S
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1
2
CL
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1I
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1
WA
IT
1I
N
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1
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A
1I
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2
AI
X
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M
3
ST
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2D
IR
4
ST
X
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4
ST
X
3I
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2
5
ST
X
4S
P
2
3
ST
X
2I
X
1
4
ST
X
3S
P
1
2
ST
X
1I
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IN
H
Inher
ent
R
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P
1
S
tac
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in
ter
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it
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IMM
Immedi
ate
IX
Index
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N
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S
P
2
S
tac
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P
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in
ter
,16-
B
it
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D
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D
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IX
1
Index
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8-
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IX
+
Index
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w
ith
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it
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P
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c
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w
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Inde
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