SMSW             Store Machine Status Word (286/386) Flags: O D I T S Z A P C

SMSW destination

           Logic:        destination . Machine Status Word

     SMSW stores the Machine Status Word into a 16-bit destination. In the
     80386, the low 16 bits of the CR0 register are placed in destination.

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   Operands                   Clocks   Transfers  Bytes  Example
   SMSW register              2 (286)      2        3    SMSW DX
   SMSW memory                3 (286)      2        5    SMSW MACH_STAT
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        Note:          This instruction is only available in privileged
                       mode.