G1-233P-85-1.8
| Model | G1-233P-85-1.8 |
| Description | Processor Series Low Power Integrated x86 Solution |
| PDF file | Total 247 pages (File size: 4M) |
| Chip Manufacturer | NSC |
Geode™ GX1 Processor Series
Instruction Set
(Continued)
Table 8-27. Processor Core Instruction Set Summary (Continued)
Flags
Instruction
Opcode
O D I T S Z A P C
F F F F F F F F F
Real
Mode
Prot’d
Mode
Real
Mode
Prot’d
Mode
Clock Count
(Reg/Cache Hit)
Issues
SETNB/SETAE/SETNC
Set Byte on Not Below/Above or Equal/Not Carry
To Register/Memory
To Register/Memory
SETNE/SETNZ
Set Byte on Not Equal/Not Zero
To Register/Memory
To Register/Memory
To Register/Memory
SETNO
Set Byte on Not Overflow
To Register/Memory
SETNP/SETPO
Set Byte on Not Parity/Parity Odd
To Register/Memory
SETNS
Set
Byte on Not Sign
To Register/Memory
SETO
Set Byte on Overflow
To Register/Memory
SETP/SETPE
Set Byte on Parity/Parity Even
To Register/Memory
SETS
Set Byte on Sign
To Register/Memory
SGDT
Store GDT Register
To Register/Memory
SIDT
Store IDT Register
To Register/Memory
SLDT
Store LDT Register
To Register/Memory
STR
Store Task Register
To Register/Memory
SMSW
Store Machine Status Word
STOS
Store String
SHL
Shift Left Logical
Register/Memory by 1
Register/Memory by CL
Register/Memory by Immediate
SHLD
Shift Left Double
Register/Memory by Immediate
Register/Memory by CL
SHR
Shift Right Logical
Register/Memory by 1
Register/Memory by CL
Register/Memory by Immediate
SHRD
Shift Right Double
Register/Memory by Immediate
Register/Memory by CL
SMINT
Software SMM Entry
STC
Set Carry Flag
STD
Set Direction Flag
STI
Set Interrupt Flag
0F AC [mod reg r/m] #
0F AD [mod reg r/m]
0F 38
F9
FD
FB
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
u -
-
-
x
x
u x
x
3
6
84
1
4
6
3
6
84
1
4
6
m
s
s
b
h
D [000w] [mod 101 r/m]
D [001w] [mod 101 r/m]
C [000w] [mod 101 r/m] #
x
-
-
-
-
-
-
-
x
x
x
x
x
x
u x
u x
u x
x
x
x
2
2
2
2
2
2
b
h
u -
u -
0F A4 [mod reg r/m] #
0F A5 [mod reg r/m]
u -
-
-
x
x
u x
x
3
6
3
6
b
h
D [000w] [mod 100 r/m]
D [001w] [mod 100 r/m]
C [000w] [mod 100 r/m] #
x
-
-
-
-
-
-
-
x
x
x
x
x
x
u x
u x
u x
x
x
x
1
2
1
1
2
1
b
h
u -
u -
0F 00 [mod 001 r/m]
0F 01 [mod 100 r/m]
A [101w]
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4
2
3
4
2
a
b,c
b
h
h
h
0F 00 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
a
h
0F 01 [mod 001 r/m]
-
-
-
-
-
-
-
-
-
6
6
b,c
h
0F 01 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
6
6
b,c
h
0F 98 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 9A [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 90 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 99 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 9B [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 91 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
1
1
h
0F 95 [mod 000 r/m]
0F 9D [mod 000 r/m]
0F 9F [mod 000 r/m]
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
1
1
1
1
1
h
h
h
SETNL/SETGE
Set Byte on Not Less/Greater or Equal
SETNLE/SETG
Set Byte on Not Less or Equal/Greater
0F 93 [mod 000 r/m]
0F 97 [mod 000 r/m]
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
1
1
1
h
h
SETNBE/SETA
Set Byte on Not Below or Equal/Above
1 -
1 -
Revision 1.0
231
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