Intel MCS48 User Manual page 193

8022
INSTRUCTION SET
Hexadecimal
Mnemonic
Description Byt es Cycle
Opcode
ADD
A,R
r
Add
register to
A
1
1
68-6F
ADD A,@
Ft
Add
data
memory
to
A
1 1
60-61
ADD
A,#data Add
Immediate
to
A
2 2
03
ADDC
A,R
r
Add
register with carry
1
1
78-7F
ADDC
A,@
R
Add
data
memory
with
1
carry
1
70-71
ADDC
A,#data Add
immediate with
2
carry
2 13
ANL
A,R
r
And
register
to
A
1
58-5F
ANL A,@
R And
data
memory
to
A
1
50-51
ANL A,#data And
immediate
to
A
2 2
53
ORL
A,R
r
Or
register to
A
1
48-4F
ORL A,@R
Or
data
memory
to
A
1
40-41
w
ORL
A,#data Or immediate
to
A
2 2
43
| XRLA,R
r
Exclusive Or
register
1
D8-DF
3
|
XRL A,@ R
to
A
Exclusive
Or
data
1
D0-D1
o
<
memory
to
A
XRL
A,#data
Exclusive
Or immediate
2
to
A
2
D3
INC
A
Increment
A
1
17
DEC A Decrement A
1
07
CLR A
Clear A
1
27
CPL A
Complement A
1
37
DA A
Decimal
adjust
A
1
57
SWAP
A
Swap
nibbles
of
A
1
47
RL A
Rotate
A
left
1
E7
RLC
A
Rotate
A
left
through
1
carry
F7
RR A
Rotate A
right
1
77
RRC
A
Rotate
A
right
through
1
carry
67
IN A,
P
p
Input port to
A
2
08,09,0A
OUTL
P
p
A
Output
A
to port
2 90,39,
3A
g.
MOVD
A,P
p
Input
expander
port
2
0C-0F
d
to
A
£
MOVD
P
p
,A
Output
A
to
expander
1
2
3C-3F
a
port
- ANLD
P
p
,A
And A
to
expander
port
1
2
9C-9F
ORLD
P
p
,A
Or
A
to
expander
port 2
8C-8F
0>
£
INC
R
r
Increment register
1
1
18-1F
a INC
@
R
Increment data
memory
1
1
10-11
JMP
addr
Jump
unconditional
2 2 04,24,44,64,
84,A4,C4,E4
JMPP
@
A Jump
indirect
1
2
B3
DJNZ
R.addr Decrement
register and 2
2
E8-EF
Q
jump
on
R
not zero
JC addr Jump
on carry=1
2
2
F6
JNC
addr
Jump
on carry=0
2
2
E6
JZ addr Jump
on
A
zero
2 2
C6
JNZ addr Jump
on
A
not
zero
2 2 96
Description
Hexadecimal
Bytes Cycle
Opcode
JTO
Jump
on
T0=1
2
2 36
JNTO
Jump
on
T0=0
2 2 26
JT1 addr
Jump
on T1
=
1
2 2
56
JNT1 addr
Jump
on
T1=0
2
2
46
JTF addr
Jump
on timer flag
2
2 16
s CALL
addr
Jump
to
subroutine
S,
CLRC
i?
CPLC
Clear
carry
Complement
carry
MOV
A,R
r
MOV
A,@ R
MOV
A,#data
MOV
R
r
,A
MOV@R,A
MOV
R
r
,#data
e
o MOV@R,#data
Move
register to
A
Move
data
memory
to
A
Move
immediate
to
A
Move A
to
register
Move A
to
data
memory
Move
immediate
to
register
Move
immediate
to
data
memory
2 14,34,54,74
94,B4,D4,F4
2
83
1
97
1
A7
1
F8-FF
1
F0-F1
2
23
1
A8-AF
1
A0-A1
2 B8-BF
2 B0-B1
«
SCH
A,R
r
Exchange A
and
register
1
28-2F
XCH
A,@R
Exchange A
and data
memory
1
20-21
XCHD
a,@ R Exchange
nibble
of
A
and
register
1
30-31
MOVP A,@A
Move
to
A
from current
page
2
A3
5
MOV
A,T Read
timer/counter
1
42
§
MOVT.A
Load
timer/counter
1
62
O STRTT
Start timer
1
55
S
STRTCNT
Start
counter
1
45
§ STOP TCNT
Stop timer/counter
1
65
5
RAD Move
conversion
result
2 80
«
register
to
A
|
SEL ANO
Select analog
input
1
85
O
zero
5
SEL
AN
1
<
Select analog
input
one
1
95
EN
I
Enable
external
interrupt
1
05
DISI
Disable external
1
15
<o
interrupt
§
EN TCNTI
Enable timer/counter
1
25
» interrupt
£
DIS TCNTI
Disable timer/counter
interrupt
1
35
RET
I
Return from
interrupt 2
93
NOP
No
operation
1
00
SYMBOLS AND
ABBREVIATIONS USED
A
Accumulator
addr
1
1-Bit
Program
Memory
Address
ANO, AN1
Analog
Input
0,
Analog
Input
1
CNT
Event Counter
data
8-Bit
Number
or
Expression
I
Interrupt
P Mnemonic
for
"in-page" Operation
Pp
Port Designator
(P=0,
1,
2
or
4-7)
R
r
Register Designator (r=0-7)
T
Timer
TO,
T1 Test
0,
Test
1
#
Immediate Data
Prefix
@
Indirect
Address
Prefix
6-41