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LOS
LOAD POINTER USING DS
LOS
Operation:
(REG)
+-
(EA)
(DS)
+-
(EA +
2)
Description:
LOS
destination,source
LDS (load pointer using DS) transfers a 32-bit
pointer variable from the source operand,
which must be a memory operand, to the des-
tination operand and register
DS. The offset
word
of
the pointer
is
transferred to the des-
tination operand, which may be any 16-bit
general register. The segment word of the
Encoding:
111
0001
01 1 mod reg rIm 1
if
mod =
11
then
undefined
operation
Flags Affected:
None
pointer
is
transferred to register DS. Specify-
ingS1
as
the destination operand
is
a conve-
nient way to prepare to process.a source string
that
is
not in the current data segment (string
instructions assume that the source string
is
located in the current data segment and that
S1
contains the offset
of
the string).
LOS
Operands
Clocks Transfers Bytes
LOS
Coding Example
reg16, mem32
24+EA
2
2-4
LOS
SI,OATA.SEG
[OIJ
2-108