HLT - Halt CPU

        Usage:   HLT
        Modifies flags: None

        Halts CPU until RESET line is activated, NMI or maskable interrupt
        received.  The CPU becomes dormant but retains the current CS:IP
        for later restart.

                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes

        none              2     2     5     4             1

Back to Intel Instruction Set page.