Instruction set – Philips P89LPC903 User Manual
Page 103
Philips Semiconductors
User’s Manual - Preliminary -
P89LPC901/902/903
INSTRUCTION SET
2003 Dec 8
103
15. INSTRUCTION SET
Table 15-1: Instruction set summary
Mnemonic
Description
Bytes
Cycles
Hex
code
ARITHMETIC
ADD A,Rn
Add register to A
1
1
28-2F
ADD A,dir
Add direct byte to A
2
1
25
ADD A,@Ri
Add indirect memory to A
1
1
26-27
ADD A,#data
Add immediate to A
2
1
24
ADDC A,Rn
Add register to A with carry
1
1
38-3F
ADDC A,dir
Add direct byte to A with carry
2
1
35
ADDC A,@Ri
Add indirect memory to A with carry
1
1
36-37
ADDC A,#data
Add immediate to A with carry
2
1
34
SUBB A,Rn
Subtract register from A with borrow
1
1
98-9F
SUBB A,dir
Subtract direct byte from A with borrow
2
1
95
SUBB A,@Ri
Subtract indirect memory from A with borrow
1
1
96-97
SUBB A,#data
Subtract immediate from A with borrow
2
1
94
INC A
Increment A
1
1
04
INC Rn
Increment register
1
1
08-0F
INC dir
Increment direct byte
2
1
05
INC @Ri
Increment indirect memory
1
1
06-07
DEC A
Decrement A
1
1
14
DEC Rn
Decrement register
1
1
18-1F
DEC dir
Decrement direct byte
2
1
15
DEC @Ri
Decrement indirect memory
1
1
16-17
INC DPTR
Increment data pointer
1
2
A3
MUL AB
Multiply A by B
1
4
A4
DIV AB
Divide A by B
1
4
84
DA A
Decimal Adjust A
1
1
D4
LOGICAL
ANL A,Rn
AND register to A
1
1
58-5F
ANL A,dir
AND direct byte to A
2
1
55
ANL A,@Ri
AND indirect memory to A
1
1
56-57
ANL A,#data
AND immediate to A
2
1
54