Intel 386 User Manual
Page 654

E-17
INSTRUCTION SET SUMMARY
INTO:
Via interrupt or Trap Gate
To same privilege level
71
g, j, k, r
Via Interrupt or Trap Gate
To different privilege level
111
g, j, k, r
From 286 task to 286 TSS via Task Gate
384
g, j, k, r
From 286 task to Intel 386 SX CPU TSS via Task Gate
411
g, j, k, r
From 286 task to virtual 8086 mode via Task Gate
328
g, j, k, r
From Intel386 SX CPU task to 286 TSS via Task Gate
Intel386
DX
g, j, k, r
From Intel386 SX CPU task to Intel 386 SX CPU TSS via task gate
413
g, j, k, r
From Intel386 SX CPU task to virtual 8086 mode via Task Gate
329
g, j, k, r
From virtual 8086 mode to 286 TSS via Task Gate
391
g, j, k, r
From virtual 8086 mode to Intel 386 SX CPU TSS via task gate
418
g, j, k, r
From virtual 8086 mode to privilege level 0 via trap gate or interrupt gate
223
BOUND:
Via interrupt or Trap Gate
To same privilege level
71
g, j, k, r
Via Interrupt or Trap Gate
To different privilege level
111
g, j, k, r
From 286 task to 286 TSS via Task Gate
358
g, j, k, r
From 286 task to Intel 386 SX CPU TSS via Task Gate
388
g, j, k, r
From 286 task to virtual 8086 mode via Task Gate
335
g, j, k, r
From Intel386 SX CPU task to 286 TSS via Task Gate
368
g, j, k, r
From Intel386 SX CPU task to Intel 386 SX CPU TSS via task gate
398
g, j, k, r
From Intel386 SX CPU task to virtual 8086 mode via Task Gate
347
g, j, k, r
From virtual 8086 mode to 286 TSS via Task Gate
368
g, j, k, r
From virtual 8086 mode to Intel 386 SX CPU TSS via task gate
398
g, j, k, r
From virtual 8086 mode to privilege level 0 via trap gate or interrupt gate
223
INTERRUPT RETURN
IRET = Interrupt return
1 1 0 0 1 1 1 1
24
g, h, j, k,
r
Protected Mode Only
(IRET)
To same privilege level (within task)
42
g, h, j, k,
r
Table E-1. Instruction Set Summary (Sheet 16 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