Philips 8-bit microcontroller with two-clock 80C51 core UM10109 Manual De Usuario

Philips

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

User manual

Rev. 02 — 23 May 2005

127 of 133

Philips Semiconductors

UM10109

P89LPC932A1 User manual

19. Instruction set

Table 110: Instruction set summary

Mnemonic

Description

Bytes

Cycles

Hex
code

ARITHMETIC

ADD A,Rn

Add register to A

1

1

28 to 2F

ADD A,dir

Add direct byte to A

2

1

25

ADD A,@Ri

Add indirect memory to A

1

1

26 to 27

ADD A,#data

Add immediate to A

2

1

24

ADDC A,Rn

Add register to A with carry

1

1

38 to 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 to 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 to 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 to 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 to 0F

INC dir

Increment direct byte

2

1

05

INC @Ri

Increment indirect memory

1

1

06 to 07

DEC A

Decrement A

1

1

14

DEC Rn

Decrement register

1

1

18 to 1F

DEC dir

Decrement direct byte

2

1

15

DEC @Ri

Decrement indirect memory

1

1

16 to 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 to 5F

ANL A,dir

AND direct byte to A

2

1

55

ANL A,@Ri

AND indirect memory to A

1

1

56 to 57

ANL A,#data

AND immediate to A

2

1

54

ANL dir,A

AND A to direct byte

2

1

52

ANL dir,#data

AND immediate to direct byte

3

2

53

ORL A,Rn

OR register to A

1

1

48 to 4F

ORL A,dir

OR direct byte to A

2

1

45