AMD Geode LX [email protected] User Manual
Page 640
640
AMD Geode™ LX Processors Data Book
Instruction Set
33234H
OUT Output to Port
-
-
-
-
-
-
-
-
-
m
Fixed Port
E [011w] #
8
8/23
Variable Port
E [111w]
8
8/23
OUTS Output String
6 [111w]
12
12/26
-
-
-
-
-
-
-
-
-
b
h,m
PAUSE
7
POP Pop Value off Stack
-
-
-
-
-
-
-
-
-
b
h,i,j
Register
8F [mod 000 r/m]
1
1
Memory
8F [mod 000 r/m]
3
3
Register (short form)
5 [1 reg]
1
1
DS
1F
1
6/13
ES
07
1
6/13
SS
17
1
7/13
FS
0F A1
1
6/13
GS
0F 9A
1
6/13
POPA Pop All General Registers
61
8
8
-
-
-
-
-
-
-
-
-
b
h
POPF Pop Stack into FLAGS
9D
2
2
x
x
x
x
x
x
x
x
x
b
h,n
PREFIX BYTES
-
-
-
-
-
-
-
-
-
m
Assert Hardware LOCK Prefix
F0
Address Size Prefix
67
Operand Size Prefix
66
Segment Override Prefix
-CS
-DS
-ES
-FS
-GS
-SS
2E
3E
26
64
65
36
PUSH Push Value onto Stack
-
-
-
-
-
-
-
-
-
b
h
Register/Memory
FF [mod 110 r/m]
1/2
1/2
Register (short form)
5 [0 reg]
1
1
CS
0E
1
1
SS
16
1
1
DS
1E
1
1
ES
06
1
1
FS
0F A0
1
1
GS
0F A8
1
1
Immediate
6 [10s0] ###
1
1
PUSHA Push All General Registers
60
8
8
-
-
-
-
-
-
-
-
-
b
h
PUSHF Push FLAGS Register
9C
2
2
-
-
-
-
-
-
-
-
-
b
h
RCL Rotate Through Carry Left
Register/Memory by 1
D [000w] [mod 010 r/m]
2
2
x
-
-
-
-
-
-
-
x
b
h
Register/Memory by CL
D [001w] [mod 010 r/m]
4-6
4-6
u
-
-
-
-
-
-
-
x
Register/Memory by Immediate
C [000w] [mod 010 r/m] #
4-6
4-6
u
-
-
-
-
-
-
-
x
RCR Rotate Through Carry Right
Register/Memory by 1
Register/Memory by CL
Register/Memory by Immediate
b
h
D [000w] [mod 011 r/m]
3-5
3-4
x
-
-
-
-
-
-
-
x
D [001w] [mod 011 r/m]
4-7
4-7
u
-
-
-
-
-
-
-
x
C [000w] [mod 011 r/m] #
4-7
4-7
u
-
-
-
-
-
-
-
x
RDM Leave Debug Management Mode
0F 3A
36+
36+
x
x
x
x
x
x
x
x
x
s, u
s, u
RDMSR Read Tmodel Specific Register (Note 1)
0F 32
5
5
-
-
-
-
-
-
-
-
-
RDPMC (Note 1)
7
7
RDTSC Read Time Stamp Counter (Note 1)
0F 31
5
5
-
-
-
-
-
-
-
-
-
Table 8-26. Processor Core Instruction Set (Continued)
Instruction
Opcode
Clock Count
(Reg/Cache Hit)
Flags
Notes
Real
Mode
Prot’d
Mode
O D I
T
S Z
A P C
F
F
F
F
F
F
F
F
F
Real
Mode
Prot’d
Mode