Z51F0410 Datasheet, PDF (179/184 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F0410
Product Specification
10. APPENDIX
10.1 Instruction Table
Instructions are either 1, 2 or 3 bytes long as listed in the ‘Bytes’ column below.
Each instruction takes either 1, 2 or 4 machine cycles to execute as listed in the following table. 1
machine cycle comprises 2 system clock cycles.
Mnemonic
ADD A,Rn
ADD A,dir
ADD A,@Ri
ADD A,#data
ADDC A,Rn
ADDC A,dir
ADDC A,@Ri
ADDC A,#data
SUBB A,Rn
SUBB A,dir
SUBB A,@Ri
SUBB A,#data
INC A
INC Rn
INC dir
INC @Ri
DEC A
DEC Rn
DEC dir
DEC @Ri
INC DPTR
MUL AB
DIV AB
DA A
ARITHMETIC
Description
Add register to A
Add direct byte to A
Add indirect memory to A
Add immediate to A
Add register to A with carry
Add direct byte to A with carry
Add indirect memory to A with carry
Add immediate to A with carry
Subtract register from A with borrow
Subtract direct byte from A with borrow
Subtract indirect memory from A with borrow
Subtract immediate from A with borrow
Increment A
Increment register
Increment direct byte
Increment indirect memory
Decrement A
Decrement register
Decrement direct byte
Decrement indirect memory
Increment data pointer
Multiply A by B
Divide A by B
Decimal Adjust A
Bytes
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
1
1
1
2
1
1
1
1
1
Cycles
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
4
1
Hex code
28-2F
25
26-27
24
38-3F
35
36-37
34
98-9F
95
96-97
94
04
08-0F
05
06-07
14
18-1F
15
16-17
A3
A4
84
D4
Mnemonic
ANL A,Rn
ANL A,dir
ANL A,@Ri
ANL A,#data
ANL dir,A
ANL dir,#data
ORL A,Rn
ORL A,dir
ORL A,@Ri
ORL A,#data
ORL dir,A
ORL dir,#data
XRL A,Rn
XRL A,dir
XRL A, @Ri
XRL A,#data
XRL dir,A
XRL dir,#data
CLR A
CPL A
SWAP A
RL A
RLC A
RR A
LOGICAL
Description
AND register to A
AND direct byte to A
AND indirect memory to A
AND immediate to A
AND A to direct byte
AND immediate to direct byte
OR register to A
OR direct byte to A
OR indirect memory to A
OR immediate to A
OR A to direct byte
OR immediate to direct byte
Exclusive-OR register to A
Exclusive-OR direct byte to A
Exclusive-OR indirect memory to A
Exclusive-OR immediate to A
Exclusive-OR A to direct byte
Exclusive-OR immediate to direct byte
Clear A
Complement A
Swap Nibbles of A
Rotate A left
Rotate A left through carry
Rotate A right
Bytes
1
2
1
2
2
3
1
2
1
2
2
3
1
2
1
2
2
3
1
1
1
1
1
1
Cycles
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
Hex code
58-5F
55
56-57
54
52
53
48-4F
45
46-47
44
42
43
68-6F
65
66-67
64
62
63
E4
F4
C4
23
33
03
PS029502-0212
PRELIMINARY
176