GXLV Datasheet, PDF (227/247 Pages) National Semiconductor (TI) – Geode™ GXLV Processor Series Low Power Integrated x86 Solutions

Instruction Set (Continued)
Table 8-27. Processor Core Instruction Set Summary (Continued)
Flags
Real Prot’d Real Prot’d
Mode Mode Mode Mode
Instruction
Opcode
JMP Unconditional Jump
8-bit Displacement
EB +
Full Displacement
E9 +++
Register/Memory Indirect Within Segment
FF [mod 100 r/m]
Direct Intersegment
-Call Gate Same Privilege Level
-16-bit Task to 16-bit TSS
-16-bit Task to 32-bit TSS
-16-bit Task to V86 Task
-32-bit Task to 16-bit TSS
-32-bit Task to 32-bit TSS
-32-bit Task to V86 Task
EA [unsigned full offset,
selector]
Indirect Intersegment
-Call Gate Same Privilege Level
-16-bit Task to 16-bit TSS
-16-bit Task to 32-bit TSS
-16-bit Task to V86 Task
-32-bit Task to 16-bit TSS
-32-bit Task to 32-bit TSS
-32-bit Task to V86 Task
FF [mod 101 r/m]
JNB/JAE/JNC Jump on Not Below/Above or Equal/Not Carry
8-bit Displacement
73 +
Full Displacement
0F 83 +++
JNBE/JA Jump on Not Below or Equal/Above
8-bit Displacement
77 +
Full Displacement
0F 87 +++
JNE/JNZ Jump on Not Equal/Not Zero
8-bit Displacement
75 +
Full Displacement
0F 85 +++
JNL/JGE Jump on Not Less/Greater or Equal
8-bit Displacement
7D +
Full Displacement
0F 8D +++
JNLE/JG Jump on Not Less or Equal/Greater
8-bit Displacement
7F +
Full Displacement
0F 8F +++
JNO Jump on Not Overflow
8-bit Displacement
71 +
Full Displacement
0F 81 +++
JNP/JPO Jump on Not Parity/Parity Odd
8-bit Displacement
7B +
Full Displacement
0F 8B +++
JNS Jump on Not Sign
8-bit Displacement
79 +
Full Displacement
0F 89 +++
JO Jump on Overflow
8-bit Displacement
70 +
Full Displacement
0F 80 +++
JP/JPE Jump on Parity/Parity Even
8-bit Displacement
7A +
Full Displacement
0F 8A +++
JS Jump on Sign
8-bit Displacement
78 +
Full Displacement
0F 88 +++
LAHF Load AH with Flags
9F
LAR Load Access Rights
From Register/Memory
0F 02 [mod reg r/m]
LDS Load Pointer to DS
C5 [mod reg r/m]
O D I T S Z A P C Clock Count
F F F F F F F F F (Reg/Cache Hit)
Issues
--------
1
1
b h,j,k,r
1
1
1/3
1/3
8
12
22
186
192
126
189
195
129
10
13
23
187
193
127
190
196
130
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
--------
1
1
r
1
1
---------
2
2
- - - - - x- - -
---------
4
9
a g,h,j,p
9
b
h,i,j
Revision 1.1
227
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