AMD 4.4.5 INC reg/mem8, INC reg/mem16, INC reg/mem32, INC reg/mem64, INC reg16 +rw, INC reg32 +rd

AMD Confidential

November 21st, 2008

User Manual

Instruction

Supported

Mnemonic

Opcode

Description

Input

a

byte

from

the

port

at

the

IN AL,imm8

E4

ib

address specified by imm8 and put it

into the AL register.

Input

a

word

from

the

port

at

the

IN AX,imm8

E5

ib

address specified by imm8 and put it

into the AX register.

Input

a doubleword

from

the

port

at

IN EAX,imm8

E5

ib

the address specified by imm8 and put

it into the EAX register.

Input

a

byte

from

the

port

at

the

IN AL,DX

EC

address specified

by the DX

register

and put it into the AL register.

Input

a

word

from

the

port

at

the

IN AX,DX

ED

address specified

by the DX

register

and put it into the AX register.

Input a doubleword from the port at

IN EAX,EDX

ED

the

address

specified

by

the

EDX

register and put it into the EAX

register.

INC reg/mem8

FE /0

Increment

the

contents

of

an 8-bit

register or memory location by 1.

INC reg/mem16

FF /0

Increment

the

contents

of

a

16-bit

register or memory location by 1.

INC reg/mem32

FF /0

Increment

the

contents

of

a

32-bit

register or memory location by 1.

INC reg/mem64

FF /0

Increment

the

contents

of

a

64-bit

register or memory location by 1.

INC reg16

40

+rw

Increment

the

contents

of

a

16-bit

register by 1.

INC reg32

40

+rd

Increment

the

contents

of

a

32-bit

register by 1.

Input a byte from the port specified

INS mem8,DX

6C

by

DX,

put

it

into

the

memory

location

specified

in

ES:rDI,

and

then increment or decrement rDI.

Input a word from the port specified

INS mem16,DX

6D

by

DX,

put

it

into

the

memory

location

specified

in

ES:rDI,

and

then increment or decrement rDI.

Input a doubleword from the port

INS mem32,DX

6D

specified

by

DX,

put

it

into

the

memory location specified in ES:rDI,

and then increment or decrement rDI.

Input a byte from the port specified

INSB

6C

by

DX,

put

it

into

the

memory

location

specified

in

ES:rDI,

and

then increment or decrement rDI.

Input a word from the port specified

INSW

6D

by

DX,

put

it

into

the

memory

location

specified

in

ES:rDI,

and

then increment or decrement rDI.

Input a doubleword from the port

INSD

6D

specified

by

DX,

put

it

into

the

memory location specified in ES:rDI,

and then increment or decrement rDI.

INT imm8

CD ib

Calls

interrupt

service

routine

specified by interrupt vector imm8.

INTO

CE

Calls

overflow

exception

if

the

overflow flag is set.

JO rel8off

80

cb

Jump if overflow (OF = 1).

JO rel16off

0F

80 cw

Jump if overflow (OF = 1).

JO rel32off

0F

80 cd

Jump if overflow (OF = 1).

JNO rel8off

71

cb

Jump if not overflow (OF = 0)

JNO rel16off

0F

81 cw

Jump if not overflow (OF = 0)

JNO rel32off

0F

81 cd

Jump if not overflow (OF = 0)

198 Appendix A