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AMD Confidential
User Manual September 12
h
, 2008
208 Appendix A
Instruction
Supported
Mnemonic
Opcode
Description
OR reg/mem32,imm8
83 /1 ib
OR the contents of a 32-bit register
or memory operand and a sign-extended
immediate 8-bit value.
OR reg/mem64,imm8
83 /1 ib
OR the contents of a 64-bit register
or memory operand and a sign-extended
immediate 8-bit value.
OR reg/mem8,reg8
08 /r
OR the contents of an 8-bit register
or memory operand with the contents
of an 8-bit register.
OR reg/mem16,reg16
09 /r
OR the contents of a 16-bit register
or memory operand with the contents
of a 16-bit register.
OR reg/mem32,reg32
09 /r
OR the contents of a 32-bit register
or memory operand with the contents
of a 32-bit register.
OR reg/mem64,reg64
09 /r
OR the contents of a 64-bit register
or memory operand with the contents
of a 64-bit register.
OR reg8,reg/mem8
0A /r
OR the contents of an 8-bit register
with the contents of an 8-bit
register or memory operand.
OR reg16,reg/mem16
0B /r
OR the contents of a 16-bit register
with the contents of a 16-bit
register or memory operand.
OR reg32,reg/mem32
0B /r
OR the contents of a 32-bit register
with the contents of a 32-bit
register or memory operand.
OR reg64,reg/mem64
0B /r
OR the contents of a 64-bit register
with the contents of a 64-bit
register or memory operand.
OUT imm8,AL
E6 ib
Output the byte in the AL register to
the port specified by an 8-bit
immediate value.
OUT imm8,AX
E7 ib
Output the word in the AX register to
the port specified by an 8-bit
immediate value.
OUT imm8,EAX
E7 ib
Output the doubleword in the EAX
register to the port specified by an
8-bit immediate value.
OUT DX,AL
EE
Output the byte in the AL register to
the output port specified in DX.
OUT DX,AX
EE
Output the word in the AX register to
the output port specified in DX.
OUT DX,EAX
EE
Output the doubleword in the EAX
register to the output port specified
in DX.
OUTS DX,mem8
6E
Output the byte in DS:rSI to the port
specified in DX, and then increment
or decrement rSI.
OUTS DX,mem16
6F
Output the word in DS:rSI to the port
specified in DX, and then increment
or decrement rSI.
OUTS DX,mem32
6F
Output the doubleword in DS:rSI to
the port specified in DX, and then
increment or decrement rSI.
OUTSB
6E
Output the byte in DS:rSI to the port
specified in DX, and then increment
or decrement rSI.
OUTSW
6F
Output the word in DS:rSI to the port
specified in DX, and then increment
or decrement rSI.
OUTSD
6F
Output the doubleword in DS:rSI to
the port specified in DX, and then
increment or decrement rSI.
POP reg/mem16
8F /0
Pop the top of the stack into a 16-
bit register or memory location.
POP reg/mem32
8F /0
Pop the top of the stack into a 32-
bit register or memory location.
POP reg/mem64
8F /0
Pop the top of the stack into a 64-
bit register or memory location.
POP reg16
58 +rw
Pop the top of the stack into a 16-
bit register.
POP reg32
58 +rd
Pop the top of the stack into a 32-
bit register.
POP reg64
58 +rq
Pop the top of the stack into a 64-
bit register.