Freescale Semiconductor, Inc.
Instruction Set
12.5 Instruction Set Summary
Table 12-6. Instruction Set Summary (Sheet 1 of 6)
d
e
Effect on
CCR
s
e
Source
Form
e
Operation
Description
d
a
M
H I N Z C
C
p
A
p
ii
ADC #opr
IMM
DIR
EXT
IX2
IX1
IX
A9
B9
C9
D9
E9
F9
2
3
4
5
4
3
dd
hh ll
ee ff
ff
ADC opr
ADC opr
ADC opr,X
ADC opr,X
ADC ,X
Add with Carry
Add without Carry
Logical AND
A ← (A) + (M) + (C)
—
ii
dd
hh ll
ee ff
ff
ADD #opr
ADD opr
ADD opr
ADD opr,X
ADD opr,X
ADD ,X
IMM
DIR
EXT
IX2
IX1
IX
AB
BB
CB
DB
EB
FB
2
3
4
5
4
3
A ← (A) + (M)
—
ii
dd
hh ll
ee ff
ff
AND #opr
AND opr
AND opr
AND opr,X
AND opr,X
AND ,X
IMM
DIR
EXT
IX2
IX1
IX
A4
B4
C4
D4
E4
F4
2
3
4
5
4
3
A ← (A) (M)
— —
—
dd
ASL opr
ASLA
ASLX
ASL opr,X
ASL ,X
DIR
INH
INH
IX1
IX
38
48
58
68
78
5
3
3
6
5
C
0
Arithmetic Shift Left (Same as LSL)
— —
— —
b7
b7
b0
b0
ff
dd
ASR opr
ASRA
ASRX
ASR opr,X
ASR ,X
DIR
INH
INH
IX1
IX
37
47
57
67
77
5
3
3
6
5
C
Arithmetic Shift Right
ff
BCC rel
Branch if Carry Bit Clear
PC ← (PC) + 2 + rel ? C = 0
— — — — — REL
24 rr
3
DIR (b0) 11 dd
DIR (b1) 13 dd
DIR (b2) 15 dd
DIR (b3) 17 dd
DIR (b4) 19 dd
DIR (b5) 1B dd
DIR (b6) 1D dd
DIR (b7) 1F dd
5
5
5
5
5
5
5
5
BCLR n opr
Clear Bit n
Mn ← 0
— — — — —
BCS rel
BEQ rel
BHCC rel
BHCS rel
BHI rel
Branch if Carry Bit Set (Same as BLO)
Branch if Equal
PC ← (PC) + 2 + rel ? C = 1
PC ← (PC) + 2 + rel ? Z = 1
PC ← (PC) + 2 + rel ? H = 0
PC ← (PC) + 2 + rel ? H = 1
— — — — — REL
— — — — — REL
— — — — — REL
— — — — — REL
25 rr
27 rr
28 rr
29 rr
22 rr
24 rr
3
3
3
3
3
3
Branch if Half-Carry Bit Clear
Branch if Half-Carry Bit Set
Branch if Higher
PC ← (PC) + 2 + rel ? C Z = 0 — — — — — REL
PC ← (PC) + 2 + rel ? C = 0 — — — — — REL
BHS rel
Branch if Higher or Same
Technical Data
164
MC68HC705C8A — Rev. 3
Instruction Set
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