Intel 386 User Manual
Page 648
E-11
INSTRUCTION SET SUMMARY
Via call gate to different privilege level (no parameters)
102 + m
h, j, k, r
Via call gate to different privilege level (x parameters)
110+8x+
m
h, j, k, r
From 286 task to 286 TSS
h, j, k, r
From 286 task to Intel386 SX CPU TSS
h, j, k, r
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
h, j, k, r
From Intel386 SX CPU task to 286 TSS
h, j, k, r
From Intel386 SX CPU task to Intel386 SX CPU TSS
399
h, j, k, r
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
h, j, k, r
JMP = Unconditional jump
short
1 1 1 0 1 0 1 1
8-bit displacement
7 + m
7 + m
r
direct within segment
1 1 1 0 1 0 0 1
full displacement
7 + m
7 + m
r
reg/memory indirect
within segment
1 1 1 1 1 1 1 1
mod 1 0 0 r/m
9 + m/
14 + m
9 + m/
14 + m
b
h, r
direct intersegment
1 1 1 0 1 0 1 0
unsigned full offset, selector
16 + m
31 + m
j, k, r
Protected mode only (direct intersegment)
Via call gate to same privilege level
53 + m
h, j, k, r
From 286 task to 286 TSS
h, j, k, r
From 286 task to Intel386 SX CPU TSS
h, j, k, r
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
h, j, k, r
From Intel386 SX CPU task to 286 TSS
h, j, k, r
From Intel386 SX CPU task to Intel386 SX CPU TSS
h, j, k, r
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
395
h, j, k, r
indirect intersegment
1 1 1 1 1 1 1 1
mod 1 0 1 r/m
17 + m
31 + m
b
h, j, k, r
Protected mode only (indirect intersegment)
Via call gate to same privilege level
49 + m
h, j, k, r
From 286 task to 286 TSS
h, j, k, r
From 286 task to Intel386 SX CPU TSS
h, j, k, r
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
h, j, k, r
From Intel386 SX CPU task to 286 TSS
h, j, k, r
From Intel386 SX CPU task to Intel386 SX CPU TSS
328
h, j, k, r
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
h, j, k, r
RET = Return from CALL
within segment
1 1 0 0 0 0 1 1
12 + m
b
g, h, r
Table E-1. Instruction Set Summary (Sheet 10 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