Intel 386 User Manual
Page 655
Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
E-18
To different privilege level (within task)
86
g, h, j, k,
r
From 286 task to 286 TSS
285
g, h, j, k,
r
From 286 task to Intel386 SX CPU TSS
318
g, h, j, k,
r
From 286 task to virtual 8086 task
267
g, h, j, k,
r
From 286 task to virtual 8086 mode (within task)
113
From Intel386 SX CPU task to 286 TSS
324
g, h, j, k,
r
From Intel386 SX CPU task to Intel386 SX CPU TSS
328
g, h, j, k,
r
From Intel386 SX CPU task to virtual 8086 task
377
g, h, j, k,
r
From Intel386 SX CPU task to virtual 8086 mode (within task)
113
PROCESSOR CONTROL INSTRUCTIONS
HLT = Halt
1 1 1 1 0 1 0 0
7
7
l
MOV = Move to and from control/debug/test registers
CR0/CR2/CR3 from
register
0 0 0 0 1 1 1 1
0 0 1 0 0 0 1 0
1 1 e e e reg
10/4/5
10/4/5
l
register from CR0-3
0 0 0 0 1 1 1 1
0 0 1 0 0 0 0 0
1 1 e e e reg
6
6
l
DR0-3 from register
0 0 0 0 1 1 1 1
0 0 1 0 0 0 1 1
1 1 e e e reg
22
22
l
DR6-7 from register
0 0 0 0 1 1 1 1
0 0 1 0 0 0 1 1
1 1 e e e reg
16
16
l
register from DR6-7
0 0 0 0 1 1 1 1
0 0 1 0 0 0 0 1
1 1 e e e reg
14
14
l
register from DR0-3
0 0 0 0 1 1 1 1
0 0 1 0 0 0 0 1
1 1 e e e reg
22
22
l
TR6-7 from register
0 0 0 0 1 1 1 1
0 0 1 0 0 1 1 0
1 1 e e e reg
12
12
l
register from TR6-7
0 0 0 0 1 1 1 1
0 0 1 0 0 1 0 0
1 1 e e e reg
12
12
l
NOP = No operation
1 0 0 1 0 0 0 0
3
3
WAIT = Wait until BUSY#
pin is negated
1 0 0 1 1 0 1 1
6
6
PROCESSOR EXTENSION INSTRUCTIONS
Processor Extension
Escape
1 1 0 1 1 T T T
mod L L L r/m
See
Intel387
SX
datashe
et for
clock
counts
h
TTT and LLL bits are opcode
information for coprocessor
Table E-1. Instruction Set Summary (Sheet 17 of 19)
Instruction
Format
Clock Count
Notes
Real
Ad-
dress
Mode
or
Virtual
8086
Mode
Pro-
tected
Virtual
Ad-
dress
Mode
Real
Ad-
dress
Mode
or
Virtual
8086
Mode
Pro-
tected
Virtual
Ad-
dress
Mode