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OUTSD Output Doubleword String (386) Flags: O D I T S Z A P C
OUTSD
Logic: destination port . DWORD PTR ES:DI
if DF = 0 then
DI . DI + 4
else
DI . DI - 4
This instruction sends doublewords from a string to a port. The source
string is pointed to by ES:DI. The input port number must be in DX. If
the direction flag is set, DI is decremented by 4. If it is not set, DI
is incremented by 4.
--------------------------------------------------------------------------
Operands Clocks Transfers Bytes Example
OUTSD 14 (386) - 1 OUTSD
--------------------------------------------------------------------------
Note: These instructions are usually used with a REP
prefix. Load CX with the number of times to repeat
the instruction. You can only use OUTSD on the 80386.
See Also:
OUTS
OUTSW
OUTSD
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