Datasheet
Chapter 7 Central Processor Unit (S08CPUV2)
MC9S08JM16 Series Data Sheet, Rev. 2
108 Freescale Semiconductor
7.5 HCS08 Instruction Set Summary
Table 7-2 provides a summary of the HCS08 instruction set in all possible addressing modes. The table
shows operand construction, execution time in internal bus clock cycles, and cycle-by-cycle details for
each addressing mode variation of each instruction.
Table 7-2. . Instruction Set Summary (Sheet 1 of 9)
Source
Form
Operation
Address
Mode
Object Code
Cycles
Cyc-by-Cyc
Details
Affect
on CCR
VH I N Z C
ADC #opr8i
ADC opr8a
ADC opr16a
ADC oprx16,X
ADC oprx8,X
ADC ,X
ADC oprx16,SP
ADC oprx8,SP
Add with Carry
A ← (A) + (M) + (C)
IMM
DIR
EXT
IX2
IX1
IX
SP2
SP1
A9
B9
C9
D9
E9
F9
9E D9
9E E9
ii
dd
hh ll
ee ff
ff
ee ff
ff
2
3
4
4
3
3
5
4
pp
rpp
prpp
prpp
rpp
rfp
pprpp
prpp
–
ADD #opr8i
ADD opr8a
ADD opr16a
ADD oprx16,X
ADD oprx8,X
ADD ,X
ADD oprx16,SP
ADD oprx8,SP
Add without Carry
A ← (A) + (M)
IMM
DIR
EXT
IX2
IX1
IX
SP2
SP1
AB
BB
CB
DB
EB
FB
9E DB
9E EB
ii
dd
hh ll
ee ff
ff
ee ff
ff
2
3
4
4
3
3
5
4
pp
rpp
prpp
prpp
rpp
rfp
pprpp
prpp
–
AIS #opr8i
Add Immediate Value (Signed) to
Stack Pointer
SP ← (SP) + (M)
IMM A7 ii 2 pp – – – – – –
AIX #opr8i
Add Immediate Value (Signed) to
Index Register (H:X)
H:X ← (H:X) + (M)
IMM AF ii 2 pp – – – – – –
AND #opr8i
AND opr8a
AND opr16a
AND oprx16,X
AND oprx8,X
AND ,X
AND oprx16,SP
AND oprx8,SP
Logical AND
A ← (A) & (M)
IMM
DIR
EXT
IX2
IX1
IX
SP2
SP1
A4
B4
C4
D4
E4
F4
9E D4
9E E4
ii
dd
hh ll
ee ff
ff
ee ff
ff
2
3
4
4
3
3
5
4
pp
rpp
prpp
prpp
rpp
rfp
pprpp
prpp
0 – – –
ASL opr8a
ASLA
ASLX
ASL oprx8,X
ASL ,X
ASL oprx8,SP
Arithmetic Shift Left
(Same as LSL)
DI
R
INH
INH
IX1
IX
SP1
38
48
58
68
78
9E 68
dd
ff
ff
5
1
1
5
4
6
rfwpp
p
p
rfwpp
rfwp
prfwpp
––
ASR opr8a
ASRA
ASRX
ASR oprx8,X
ASR ,X
ASR oprx8,SP
Arithmetic Shift Right
DIR
INH
INH
IX1
IX
SP1
37
47
57
67
77
9E 67
dd
ff
ff
5
1
1
5
4
6
rfwpp
p
p
rfwpp
rfwp
prfwpp
––
BCC rel
Branch if Carry Bit Clear
(if C = 0)
REL 24 rr 3 ppp – – – – – –
C
b0
b7
0
b0
b7
C