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INSD Input Doubleword String From Port (386) Flags: O D I T S Z A P C
INSD
Logic: ES:DI . doubleword from source port
if DF = 0 then
DI . DI + 4
else
DI . DI - 4
The INSD instructions let you read a doubleword string from a port on
the 386. The destination string is pointed to by ES:DI. The input port
number must be in DX. If the direction flag is set, DI is decremented. If
it is not set, DI is incremented.
--------------------------------------------------------------------------
Operands Clocks Transfers Bytes Example
INSD 5 4 1 INSD
--------------------------------------------------------------------------
Note: This instruction is usually used with a REP
prefix. Load CX with the number of times to repeat
the instruction. You can only use INSD on the 386.
See Also:
INS
INSB
INSW
REP
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