up:
Chapter 17 -- 80386 Instruction Set
prev: ENTER Make Stack Frame for Procedure Parameters
next: IDIV Signed Divide
HLT -- Halt
Opcode Instruction Clocks Description
F4 HLT 5 Halt
Operation
Enter Halt state;
Description
HALT stops instruction execution and places the 80386 in a HALT state.
An enabled interrupt, NMI, or a reset will resume execution. If an
interrupt (including NMI) is used to resume execution after HLT, the saved
CS:IP (or CS:EIP) value points to the instruction following HLT.
Flags Affected
None
Protected Mode Exceptions
HLT is a privileged instruction; #GP(0) if the current privilege level is
not 0
Real Address Mode Exceptions
None
Virtual 8086 Mode Exceptions
#GP(0); HLT is a privileged instruction
up:
Chapter 17 -- 80386 Instruction Set
prev: ENTER Make Stack Frame for Procedure Parameters
next: IDIV Signed Divide