IBM Assembly Language Processor (ALP) is an assembler written by

IBM International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...

for

32-bit In computer architecture, 32-bit computing refers to computer systems with a processor, memory, and other major system components that operate on data in a maximum of 32- bit units. Compared to smaller bit widths, 32-bit computers can perform la ...

OS/2 OS/2 is a Proprietary software, proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, ...

Warp'' (OS/2 3.0), which was released in 1994. ALP accepts source programs compatible with Microsoft Macro Assembler (MASM) version 5.1, which was originally used to build many of the

device driver In the context of an operating system, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton. A driver provides a software interface to hardware devices, enabli ...

s included with OS/2. For OS/2 versions 3 and 4 ALP was distributed, along with other tools and documentation, as part of the ''Device Driver Kit'' (DDK). The DDK was withdrawn in 2004 as part of IBM's discontinuance of OS/2.

References

External links

ALP binaries and documentation
ALP Assemblers OS/2 software Programming tools {{prog-lang-stub