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Instruction Set Summary
Source
Form
JMP opr
JMP opr
JMP opr,X
JMP opr,X
JMP ,X
JSR opr
JSR opr
JSR opr,X
JSR opr,X
JSR ,X
LDA #opr
LDA opr
LDA opr
LDA opr,X
LDA opr,X
LDA ,X
LDA opr,SP
LDA opr,SP
LDHX #opr
LDHX opr
LDX #opr
LDX opr
LDX opr
LDX opr,X
LDX opr,X
LDX ,X
LDX opr,SP
LDX opr,SP
LSL opr
LSLA
LSLX
LSL opr,X
LSL ,X
LSL opr,SP
LSR opr
LSRA
LSRX
LSR opr,X
LSR ,X
LSR opr,SP
MOV opr,opr
MOV opr,X+
MOV #opr,opr
MOV X+,opr
MUL
NEG opr
NEGA
NEGX
NEG opr,X
NEG ,X
NEG opr,SP
NOP
NSA
ORA #opr
ORA opr
ORA opr
ORA opr,X
ORA opr,X
ORA ,X
ORA opr,SP
ORA opr,SP
PSHA
PSHH
PSHX
Table 8-1. Instruction Set Summary (Sheet 4 of 6)
Operation
Jump
Jump to Subroutine
Load A from M
Load H:X from M
Load X from M
Logical Shift Left
(Same as ASL)
Logical Shift Right
Move
Unsigned multiply
Negate (Two’s Complement)
No Operation
Nibble Swap A
Inclusive OR A and M
Push A onto Stack
Push H onto Stack
Push X onto Stack
Description
PC ← Jump Address
PC ← (PC) + n (n = 1, 2, or 3)
Push (PCL); SP ← (SP) – 1
Push (PCH); SP ← (SP) – 1
PC ← Unconditional Address
A ← (M)
H:X ← (M:M + 1)
X ← (M)
C
b7
0
b0
0
b7
C
b0
(M)_Destination ← (M)_Source
H:X ← (H:X) + 1 (IX+D, DIX+)
X:A ← (X) × (A)
M ← –(M) = $00 – (M)
A ← –(A) = $00 – (A)
X ← –(X) = $00 – (X)
M ← –(M) = $00 – (M)
M ← –(M) = $00 – (M)
None
A ← (A[3:0]:A[7:4])
A ← (A) | (M)
Push (A); SP ← (SP) – 1
Push (H); SP ← (SP) – 1
Push (X); SP ← (SP) – 1
Effect
on CCR
VH I NZC
DIR
EXT
– – – – – – IX2
IX1
IX
DIR
EXT
– – – – – – IX2
IX1
IX
IMM
DIR
EXT
0
–
–


–
IX2
IX1
IX
SP1
SP2
0
–
–


–
IMM
DIR
IMM
DIR
EXT
0
–
–


–
IX2
IX1
IX
SP1
SP2
DIR
INH

–
–



INH
IX1
IX
SP1
DIR
INH

–
–
0


INH
IX1
IX
SP1
DD
0
–
–


–
DIX+
IMD
IX+D
– 0 – – – 0 INH
DIR
INH

–
–



INH
IX1
IX
SP1
– – – – – – INH
– – – – – – INH
IMM
DIR
EXT
0
–
–


–
IX2
IX1
IX
SP1
SP2
– – – – – – INH
– – – – – – INH
– – – – – – INH
BC dd 2
CC hh ll 3
DC ee ff 4
EC ff
3
FC
2
BD dd 4
CD hh ll 5
DD ee ff 6
ED ff
5
FD
4
A6 ii
2
B6 dd 3
C6 hh ll 4
D6 ee ff 4
E6 ff
3
F6
2
9EE6 ff
4
9ED6 ee ff 5
45 ii jj 3
55 dd 4
AE ii
2
BE dd 3
CE hh ll 4
DE ee ff 4
EE ff
3
FE
2
9EEE ff
4
9EDE ee ff 5
38 dd 4
48
1
58
1
68 ff
4
78
3
9E68 ff
5
34 dd 4
44
1
54
1
64 ff
4
74
3
9E64 ff
5
4E dd dd 5
5E dd 4
6E ii dd 4
7E dd 4
42
5
30 dd 4
40
1
50
1
60 ff
4
70
3
9E60 ff
5
9D
1
62
3
AA ii
2
BA dd 3
CA hh ll 4
DA ee ff 4
EA ff
3
FA
2
9EEA ff
4
9EDA ee ff 5
87
2
8B
2
89
2
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
Freescale Semiconductor
107