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NT
(Nested Task Flag),
(see Flags)
Numeric Data Processor Instructions, 3-30
OF
(Overflow Flag),
(see Flags)
Offset Computation, 2-19
Operands, 2-16, 2-17
OR
Instruction, 2-23, 3-10, B-80
OUT/OUTW,
2-23,3-29, 10-6,
B-81
OUTS/OUTSB/OUTSW
Instruction, 3-29,
4-1, B-82
PF
(Parity Flag),
(see Flags)
Pointer,
(see Data Types)
POP Instruction, 3-3, B-83
POPA Instruction, 3-2, 3-5, B-85
POPF Instruction, 3-26, 3-28, B-86
Processor Extension Error (Interrupt 6),
(see Interrupt Handling and Interrupt
Priorities)
Processor Extension Not Available,
(Interrupt 7),
(see Interrupt and Interrupt Priorities)
Processor Extension Segment
Overrun
Interrupt (Interrupt 9),
(see Interrupt and Interrupt Priorities)
Protected Mode, 1-2, 1-3,6-1
Protected Virtual Address Mode,
1-2,
Protection Implementation, 7-2 - 7-4
Protection Mechanisms,
1-2,
1-3
PUSH, 2-12, 3-2, B-87
PUSHA, 3-2, 3-3,
B-85
PUSHF, B-89
Real Address Mode, 6-1, 6-2
Register,
Base Architecture Diagram,
2-7
Base Register BX, 2-9, 2-17, 2-19, 2-20,
3-1,3-7,3-8
- 3-10,3-14,3-16,
3-17,3-22,4-7
Flags Register, 2-14, 2-15
General Registers,
2-7
Index Registers DI, SI,
2-9
Overview,
2-7
Pointer Registers
BP
and SP,
2-9
Segment Registers,
2-8
Status and Control, 2-14
Register Direct Mode, 2-20
Register and Immediate Modes, 2-17
Register Indirect Mode, 2-20
(see Addressing Modes)
Reserved Interrupt Vectors,
(see Interrupt Handling and Interrupt
Priorities)
RESET,
10-7
RCL Instruction, 3-14, 3-15,9-10, B-90
RCR
Instruction, 3-15, B-90
REP Prefix, 3-23,4-1,4-2, B-92
REPE
Prefix, 3-24, B-92
REPNE
Prefix, 3-24, B-92
REPNZ
Prefix, 3-24
REPZ
Prefix, 3-24
RET Instructon, 2-16, 3-17 - 3-19, B-94
ROL Instruction, 3-13, B-90
ROR Instruction, 3-14, B-90
RPL, 7-13, 8-9, 9-6, 11-3, 11-4
SAL Instruction, 3-11, B-97
SAR Instruction, 3-12, B-97
SBB Instruction, 3-8, B-99
SCAS Instruction, 3-4, 3-24, B-100
SEG (Segment
Override Prefix), 2-19
Segment Address Translation Registers,
6-9
- 6-12
Segment Descriptor, 7-10
-7-12
Segment Overrun Exception (Interrupt 13),
(see Interrupt Handling and Interrupt
Priorities)
Segment Selection, 2-18
SF
(Sign Flag),
(see Flags)
SGDT Instruction, 6-12, 10-3, B-I0l
SHL
Instruction, 3-11, B-97
SHR
Instruction, 3-12
SI Register, 2-7, 2-9, 2-11, 2-14 - 2-17,
2-19,3-17,3-23 - 3-25,
4-1
SmT
Instruction, 10-3,
B-I0l
Index-5