Intel 386 User Manual page 648

Table E-1. Instruction Set Summary (Sheet 10 of 19)
Instruction
Via call gate to different privilege level (no parameters)
Via call gate to different privilege level (x parameters)
From 286 task to 286 TSS
From 286 task to Intel386 SX CPU TSS
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
From Intel386 SX CPU task to 286 TSS
From Intel386 SX CPU task to Intel386 SX CPU TSS
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
JMP = Unconditional jump
short 1 1 1 0 1 0 1 1
direct within segment 1 1 1 0 1 0 0 1
reg/memory indirect
1 1 1 1 1 1 1 1
within segment
direct intersegment 1 1 1 0 1 0 1 0
Protected mode only (direct intersegment)
Via call gate to same privilege level
From 286 task to 286 TSS
From 286 task to Intel386 SX CPU TSS
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
From Intel386 SX CPU task to 286 TSS
From Intel386 SX CPU task to Intel386 SX CPU TSS
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
indirect intersegment 1 1 1 1 1 1 1 1
Protected mode only (indirect intersegment)
Via call gate to same privilege level
From 286 task to 286 TSS
From 286 task to Intel386 SX CPU TSS
From 286 task to virtual 8086 task (Intel386 SX CPU TSS)
From Intel386 SX CPU task to 286 TSS
From Intel386 SX CPU task to Intel386 SX CPU TSS
From Intel386 SX CPU task to Virtual 8086 task (Intel386 SX CPU TSS)
RET = Return from CALL
within segment 1 1 0 0 0 0 1 1
Format
8-bit displacement
full displacement
mod 1 0 0 r/m
unsigned full offset, selector
mod 1 0 1 r/m
INSTRUCTION SET SUMMARY
Clock Count Notes
Real Pro- Real
Ad- tected Ad-
dress Virtual dress
Mode Ad- Mode
or dress or
Virtual Mode Virtual
8086 8086
Mode Mode
102 + m
110+8x+
m
399
7 + m 7 + m
7 + m 7 + m
9 + m/ 9 + m/ b
14 + m 14 + m
16 + m 31 + m
53 + m
395
17 + m 31 + m b
49 + m
328
12 + m b
Pro-
tected
Virtual
Ad-
dress
Mode
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
r
r
h, r
j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
h, j, k, r
g, h, r
E-11