參數(shù)資料
型號(hào): M80C286
廠商: Intel Corp.
英文描述: High Performance CHMOS Microprocessor With Memory Management And Protection(帶存儲(chǔ)管理和保護(hù)高性能16位CHMOS微處理器)
中文描述: 高性能CHMOS微處理器存儲(chǔ)器管理和保護(hù)(帶存儲(chǔ)管理和保護(hù)高性能16位CHMOS微處理器)
文件頁數(shù): 58/60頁
文件大小: 957K
代理商: M80C286
M80C286
M80C286 INSTRUCTION SET SUMMARY
(Continued)
CLOCK COUNT
COMMENTS
Real
Protected
Real
Protected
FUNCTION
FORMAT
Address
Virtual
Address
Virtual
Mode
Address
Mode
Address
Mode
Mode
CONTROL TRANSFER
(Continued)
Protected Mode Only:
Via interrupt or trap gate to same privilege level
Via interrupt or trap gate to fit different privilege level
Via Task Gate
40
a
m
78
a
m
167
a
m
7,8,11,12,18
7,8,11,12,18
7,8,11,12,18
IRET
e
Interrupt return
1 1 0 0 1 1 1 1
17
a
m
31
a
m
2,4
8,9,11,12,15,18
Protected Mode Only:
To different privilege level
To different task (NT
e
1)
55
a
m
169
a
m
8,9,11,12,15,18
8,9,11,12,18
BOUND
e
Detect value out of range
0 1 1 0 0 0 1 0
mod reg
r/m
13
*
13
*
2,6
6,8,9,11,12,18
(Use INT clock
count if
exception 5)
PROCESSOR CONTROL
CLC
e
Clear carry
1 1 1 1 1 0 0 0
2
2
CMC
e
Complement carry
1 1 1 1 0 1 0 1
2
2
STC
e
Set carry
1 1 1 1 1 0 0 1
2
2
CLD
e
Clear direction
1 1 1 1 1 1 0 0
2
2
STD
e
Set direction
1 1 1 1 1 1 0 1
2
2
CLI
e
Clear interrupt
1 1 1 1 1 0 1 0
3
3
14
STI
e
Set interrupt
1 1 1 1 1 0 1 1
2
2
14
HLT
e
Halt
1 1 1 1 0 1 0 0
2
2
13
WAIT
e
Wait
1 0 0 1 1 0 1 1
3
3
LOCK
e
Bus lock prefix
1 1 1 1 0 0 0 0
0
0
14
CTS
e
Clear task switched flag
0 0 0 0 1 1 1 1
0 0 0 0 0 1 1 0
2
2
3
13
ESC
e
Processor Extension Escape
1 1 0 1 1 T T T
mod LLL
r/m
9–20
*
9–20
*
5,8
8,17
(TTT LLL are opcode to processor extension)
SEG
e
Segment Override Prefix
001 reg 110
0
0
PROTECTION CONTROL
LGDT
e
Load global descriptor table register
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 1
mod 0 1 0
r/m
11
*
11
*
2,3
9,13
SGDT
e
Store global descriptor table register
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 1
mod 0 0 0
r/m
11
*
11
*
2,3
9
LIDT
e
Load interrupt descriptor table register
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 1
mod 0 1 1
r/m
12
*
12
*
2,3
9,13
SIDT
e
Store interrupt descriptor table register
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 1
mod 0 0 1
r/m
12
*
12
*
2,3
9
LLDT
e
Load local descriptor table register
from register memory
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 0
mod 0 1 0
r/m
17,19
*
1
9,11,13
SLDT
e
Store local descriptor table register
to register/memory
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 0
mod 0 0 0
r/m
2,3
*
1
9
Shaded areas indicate instructions not available in M8086, 88 microsystems.
58
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