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MC68HC908GP20 Datasheet, PDF (163/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers | |||
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Table 10-1. Instruction Set Summary (Continued)
Source
Form
Operation
Description
Effect on
CCR
VH I NZC
CMP #opr
CMP opr
CMP opr
CMP opr,X
CMP opr,X
CMP ,X
CMP opr,SP
CMP opr,SP
Compare A with M
(A) â (M)
IMM
DIR
EXT
â
â
ââ
â
â
IX2
IX1
IX
SP1
SP2
COM opr
COMA
COMX
COM opr,X
COM ,X
COM opr,SP
Complement (Oneâs Complement)
M â (M) = $FF â (M)
A â (A) = $FF â (M)
X â (X) = $FF â (M)
M â (M) = $FF â (M)
M â (M) = $FF â (M)
M â (M) = $FF â (M)
DIR
INH
0
â
ââ
â
1
INH
IX1
IX
SP1
CPHX #opr
CPHX opr
Compare H:X with M
(H:X) â (M:M + 1)
â
â
ââ
â
â
IMM
DIR
CPX #opr
CPX opr
CPX opr
CPX ,X
CPX opr,X
CPX opr,X
CPX opr,SP
CPX opr,SP
Compare X with M
(X) â (M)
IMM
DIR
EXT
â
â
ââ
â
â
IX2
IX1
IX
SP1
SP2
DAA
Decimal Adjust A
(A)10
U â â â â â INH
A â (A) â 1 or M â (M) â 1 or X â (X) â 1
DBNZ opr,rel
PC â (PC) + 3 + rel ? (result) â 0
DIR
DBNZA rel
PC â (PC) + 2 + rel ? (result) â 0
INH
DBNZX rel
Decrement and Branch if Not Zero PC â (PC) + 2 + rel ? (result) â 0 â â â â â â INH
DBNZ opr,X,rel
PC â (PC) + 3 + rel ? (result) â 0
IX1
DBNZ X,rel
PC â (PC) + 2 + rel ? (result) â 0
IX
DBNZ opr,SP,rel
PC â (PC) + 4 + rel ? (result) â 0
SP1
DEC opr
DECA
DECX
DEC opr,X
DEC ,X
DEC opr,SP
Decrement
M â (M) â 1
A â (A) â 1
X â (X) â 1
M â (M) â 1
M â (M) â 1
M â (M) â 1
DIR
INH
â
â
ââ
â
â
INH
IX1
IX
SP1
DIV
Divide
A â (H:A)/(X)
H â Remainder
â â â â â â INH
EOR #opr
EOR opr
EOR opr
EOR opr,X
EOR opr,X
EOR ,X
EOR opr,SP
EOR opr,SP
Exclusive OR M with A
A â (A â M)
IMM
DIR
EXT
0
â
ââ
â
â
IX2
IX1
IX
SP1
SP2
A1 ii
2
B1 dd 3
C1 hh ll 4
D1 ee ff 4
E1 ff
3
F1
2
9EE1 ff
4
9ED1 ee ff 5
33 dd 4
43
1
53
1
63 ff
4
73
3
9E63 ff
5
65 ii ii+1 3
75 dd 4
A3 ii
2
B3 dd 3
C3 hh ll 4
D3 ee ff 4
E3 ff
3
F3
2
9EE3 ff
4
9ED3 ee ff 5
72
2
3B dd rr
4B rr
5B rr
6B ff rr
7B rr
9E6B ff rr
5
3
3
5
4
6
3A dd 4
4A
1
5A
1
6A ff
4
7A
3
9E6A ff
5
52
7
A8 ii
2
B8 dd 3
C8 hh ll 4
D8 ee ff 4
E8 ff
3
F8
2
9EE8 ff
4
9ED8 ee ff 5
MC68HC908GP20 â Rev 2.1
Freescale Semiconductor
Advance Information
163
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