<s>
IBM	O
Assembly	O
Language	O
Processor	O
(	O
ALP	O
)	O
is	O
an	O
assembler	B-Application
written	O
by	O
IBM	O
for	O
32-bit	O
OS/2	B-Application
Warp	O
(	O
OS/2	B-Application
3.0	O
)	O
,	O
which	O
was	O
released	O
in	O
1994	O
.	O
</s>
<s>
ALP	O
accepts	O
source	O
programs	O
compatible	O
with	O
Microsoft	B-Application
Macro	I-Application
Assembler	I-Application
(	O
MASM	B-Application
)	O
version	O
5.1	O
,	O
which	O
was	O
originally	O
used	O
to	O
build	O
many	O
of	O
the	O
device	B-Application
drivers	I-Application
included	O
with	O
OS/2	B-Application
.	O
</s>
<s>
For	O
OS/2	B-Application
versions	O
3	O
and	O
4	O
ALP	O
was	O
distributed	O
,	O
along	O
with	O
other	O
tools	O
and	O
documentation	O
,	O
as	O
part	O
of	O
the	O
Device	B-Application
Driver	I-Application
Kit	O
(	O
DDK	O
)	O
.	O
</s>
<s>
The	O
DDK	O
was	O
withdrawn	O
in	O
2004	O
as	O
part	O
of	O
IBM	O
's	O
discontinuance	O
of	O
OS/2	B-Application
.	O
</s>
