Protection Control - IBM AT 5170 Technical Reference

CTS
=
Clear Task Switched Flag
I
00001111
I
00000110
ESC
=
Processor Extension Escape
11011TTT
modLLL rim
Protection Control
LGDT
=
Load Global Descriptor Table Register
I
00001111
I
00000001
I
modOl0 rim
SGDT
=
Store Global Descriptor Table Register
I
00001111
I
00000001
I
modOOO rim
LIDT
=
Load Interrupt Descriptor Table Register
I
00001111
I
00000001
I
modOll rim
SIDT
=
Store Interrupt Descriptor Table Register
I
00001111
I
00000001
I
modOOl rim
LLDT
=
Load Local Descriptor Table Register from
Register/Memory
I
00001111
I
00000000
I
modOl0 rim
SLDT
=
Store Local Descriptor Table Register from
Register/Memory
I
00001111
I
00000000
I
modOOO rim
LTR
=
Load Task Register from Register/Memory
00001111
00000000 modOll rim
6-18 Instruction Set