Filter
Top Products
STD
SET DIRECTION FLAG
Operation:
(OF)
-1
Description:
STD
STD (Set Direction flag) sets DF to 1 causing
the string instructions to auto-decrement the
SI
and/or
DI index registers. STD does not
affect any other flags.
Encoding:
1111111011
Timing: 2 clocks
Flags Affected:
OF
STD
STO Operands Clocks
/
Transfers
Bytes
STO Coding Example
(no operands) 2
-
1
STO
2-153