HLT -- Halt

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