AMD Confidential
User Manual September 12th, 2008
Appendix A 201
Instruction
Supported
Mnemonic
Opcode
Description
IMUL reg64,reg/mem64,imm8
6B /r ib
Multiply the contents of a 64-bit
register or memory operand by a sign-
extended immediate byte and put the
signed result in the 64-bit
destination register.
IMUL reg16,reg/mem16,imm16
69 /r iw
Multiply the contents of a 16-bit
register or memory operand by a sign-
extended immediate word and put the
signed result in the 16-bit
destination register.
IMUL reg32,reg/mem32,imm32
69 /r id
Multiply the contents of a 32-bit
register or memory operand by a sign-
extended immediate double and put the
signed result in the 32-bit
destination register.
IMUL reg64,reg/mem64,imm32
69 /r id
Multiply the contents of a 64-bit
register or memory operand by a sign-
extended immediate double and put the
signed result in the 64-bit
destination register.
IN AL,imm8
E4 ib
Input a byte from the port at the
address specified by imm8 and put it
into the AL register.
IN AX,imm8
E5 ib
Input a word from the port at the
address specified by imm8 and put it
into the AX register.
IN EAX,imm8
E5 ib
Input a doubleword from the port at
the address specified by imm8 and put
it into the EAX register.
IN AL,DX
EC
Input a byte from the port at the
address specified by the DX register
and put it into the AL register.
IN AX,DX
ED
Input a word from the port at the
address specified by the DX register
and put it into the AX register.
IN EAX,EDX
ED
Input a doubleword from the port at
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.
INS mem8,DX
6C
Input a byte from the port specified
by DX, put it into the memory
location specified in ES:rDI, and
then increment or decrement rDI.
INS mem16,DX
6D
Input a word from the port specified
by DX, put it into the memory
location specified in ES:rDI, and
then increment or decrement rDI.
INS mem32,DX
6D
Input a doubleword from the port
specified by DX, put it into the
memory location specified in ES:rDI,
and then increment or decrement rDI.
INSB
6C
Input a byte from the port specified
by DX, put it into the memory
location specified in ES:rDI, and
then increment or decrement rDI.
INSW
6D
Input a word from the port specified
by DX, put it into the memory
location specified in ES:rDI, and
then increment or decrement rDI.
INSD
6D
Input a doubleword from the port
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.