Jump to content

Microsoft Macro Assembler: Difference between revisions

From EDM2
← Older edit
mNo edit summary
Ak120 (talk | contribs)
35,819 edits
 
(17 intermediate revisions by 2 users not shown)
Line 1: Line 1:
[[Image:Masm.jpg|200px|right]]Commonly known as just '''MASM''', this is a macro assembler for 16 bit development of OS/2 and DOS software and drivers, that had some limited support for 32bit code generation and MS Windows development. Came supplied for free with some versions of the IBM developer toolkit and the Diver Development Toolkit (DDK).
'''Microsoft Macro Assembler''' (''MASM'')  


MASM is also an informal standard as an assembly language format.
==History==
Early versions of MASM were generic 8088, 8087 and 8086 assemblers and could generate code for any system based on these processors not just DOS, later versions also supported 80186, 80286, NEC V20 and so on.


====IBM Macro Assembler====
[[IBM]] did however market the same product under the name [[IBM Macro Assembler]] that only supported the generation of DOS executables.
Early versions of MASM were generic 8088, 8087 and 8086 assemblers and could generate code for any system based on these processors not just DOS, later MASM also supported 80186, 80286, NEC V20 and so on, [[IBM]] did however market the same product under the name "IBM Macro Assembler" that only supported the generation of DOS executables.  


=====IBM Macro Assembler/2=====
The macro assembler for 16-bit development of OS/2 and DOS software and drivers, that had support for 32-bit code generation and MS Windows development. MASM version 5.1 was supplied with some versions of the IBM developer toolkit and the Device Driver Source Kit (DDK).
IBM version of the Microsoft Macro Assembler specifically modified to support OS/2 as well as DOS, as it is based on MASM 4x it lacks some things introduced with MASM 5 such as Simplified Segment Directives, thus it pre-dates and differs slightly from the Microsoft version 5.1 that was the first OS/2 capable MASM from [[Microsoft]], it was replaced by the [[IBM ALP Assembler]] in the mid 90's.


====Add-ons and fixes====
==Features==
* The [http://hobbes.nmsu.edu/h-search.php?key=masm4os2&pushbutton=Search masm4os2] package contains a version of DOSXNT.EXE that makes the MASM 6.11d package compatible with OS/2.
* CREF - cross-reference utility
* EXEHDR - Microsoft EXE file header utility
* EXEMOD
* EXEPACK - Microsoft EXE file compression utility
* LIB - library manager
* LINK - object code linker
* MAKE - program maintenance utility
* MAPSYM
* SYMDEB - interactive symbolic debugger


==Version==
==Releases==
* Version 6.11 can be patched to support OS/2 (See above), it is also the last DOS compatible version of MASM, 6.12 and later were windows console executables.
;The Microsoft MACRO Assembler
* Version 6.1 was the first version to support Windows PE executables.
* 1.00 (1981)
* '''Latest Version: 6.0b''' - Last version that supports OS/2 fully, can generate flat 32bit code for OS/2, DOS (using a supplied DOS extender) and Windows. See [[#Publications|Publications]] below.
* 1.06 (1982)
* Version 6.0 introduced in April 1989, added high level language constructs such as IF, WHILE and REPEAT alongside some further loop controls, also the first MASM version to support LR offsets, fully flat 32 bit memory and the full Intel 80486 instruction set.  The engine had also been re-written so it now performed all passes in memory rather than off disk and supports [[DPMI]] memory management, but no longer runs in severely memory constrained DOS systems. Version 6 also added some automatic memory range fixes.
* 1.10 (1982) - support for Intel 8087 opcodes
* Version 5.11 is often used as a reference and is what came with the old OS/2 1.x toolkits. The [[IBM ALP Assembler]] has a compatibility mode for MASM 5.11.
* 1.25 (1983) - floating point emulation support
* Version 5.1 was the first version with native OS/2 support.
* 1.27 (1984)
* IBM Macro Assembler/2 v1 for OS/2 introduced in 1987.
* IBM Macro Assembler Version 3 was the last IBM branded MASM for DOS.


====Prerequisites====
;Microsoft MACRO Assembler
* [[Link386]] or compatible linker for generating OS/2 32 bit files, 16 bit files can be handled by the supplied linker.
* 3.00 (1984) - support for Intel 80286 protected-mode instruction set
* 3.01 (1985) - MAPSYM and SYMDEB changes


==Links==
;Microsoft Macro Assembler
* [http://www.os2site.com/sw/dev/asm/index.html MASM 6.0]
* 4.0 (1986) - support for 286/287 instruction set
 
* 5.0 (1987)
* 5.1 (1988) - was the first version with native OS/2 host support. The IBM [[ALP]] has a compatibility mode (M510) for MASM 5.1.
** 5.1a (1989)
** 5.1b (1992)
 
;Prerequisites
* Link386 or compatible linker for generating OS/2 32-bit files
* 16-bit files can be handled by the supplied linker.
 
===Known issues===
As with other Microsoft tools that support both OS/2 and DOS environments you may run into problems if you try to use those tools on [[Microsoft Windows]] systems that support the running of OS/2 1.x programs (Windows NT and 2000), as the system tries to run the DOS executable as an OS/2 program and fails. Either make sure that only the DOS executables are installed or if they are already installed or you migrated the install by hand, precede every command with the FORCEDOS command.


==License and status==
==License and status==
* Closed source commercial software. - Discontinued.
* Closed source commercial software
* Author: [[Microsoft]]


==Author==
==Articles==
* [[Microsoft]]
* Roger Orr: [[Hints for writing simple programs for both OS/2 and DOS]]


==Publications==
==Publications==
====Local articles====
* Charles Petzold: [http://books.google.com/books?id=x1yigTsvZxsC&pg=PA483 OS/2 Kernel Programming] - Contains an example OS/2 16-bit MASM assembly program. - PC Magazine 1987
* Roger Orr: [[Hints for writing simple programs for both OS/2 and DOS]]
* Ray Duncan: ''Power Programming with Microsoft Macro Assembler'' - Microsoft Press 1991, ISBN 1-55615-256-6
====Related Articles====
* [http://support.microsoft.com/KB/94577 Creating 32-Bit Flat Memory Model MASM Code for OS/2 2.0] by Microsoft
* Charles Petzold: [https://books.google.co.uk/books?id=x1yigTsvZxsC&pg=PA483 OS/2 Kernel Programming] - Contains an example OS/2 16 bit MASM assembly program. - From PC Magazine - 1987.


==Links==
* [http://bytepointer.com/masm/index.htm Microsoft Macro Assembler (MASM) Unofficial Changelist]


[[Category:Tools]] [[Category:DOS Tools]] [[Category:MS Windows Tools]] [[Category:Assembly]]
[[Category:Assembler]]

Latest revision as of 19:35, 5 June 2021

Microsoft Macro Assembler (MASM)

History

Early versions of MASM were generic 8088, 8087 and 8086 assemblers and could generate code for any system based on these processors not just DOS, later versions also supported 80186, 80286, NEC V20 and so on.

IBM did however market the same product under the name IBM Macro Assembler that only supported the generation of DOS executables.

The macro assembler for 16-bit development of OS/2 and DOS software and drivers, that had support for 32-bit code generation and MS Windows development. MASM version 5.1 was supplied with some versions of the IBM developer toolkit and the Device Driver Source Kit (DDK).

Features

  • CREF - cross-reference utility
  • EXEHDR - Microsoft EXE file header utility
  • EXEMOD
  • EXEPACK - Microsoft EXE file compression utility
  • LIB - library manager
  • LINK - object code linker
  • MAKE - program maintenance utility
  • MAPSYM
  • SYMDEB - interactive symbolic debugger

Releases

The Microsoft MACRO Assembler
  • 1.00 (1981)
  • 1.06 (1982)
  • 1.10 (1982) - support for Intel 8087 opcodes
  • 1.25 (1983) - floating point emulation support
  • 1.27 (1984)
Microsoft MACRO Assembler
  • 3.00 (1984) - support for Intel 80286 protected-mode instruction set
  • 3.01 (1985) - MAPSYM and SYMDEB changes
Microsoft Macro Assembler
  • 4.0 (1986) - support for 286/287 instruction set
  • 5.0 (1987)
  • 5.1 (1988) - was the first version with native OS/2 host support. The IBM ALP has a compatibility mode (M510) for MASM 5.1.
    • 5.1a (1989)
    • 5.1b (1992)
Prerequisites
  • Link386 or compatible linker for generating OS/2 32-bit files
  • 16-bit files can be handled by the supplied linker.

Known issues

As with other Microsoft tools that support both OS/2 and DOS environments you may run into problems if you try to use those tools on Microsoft Windows systems that support the running of OS/2 1.x programs (Windows NT and 2000), as the system tries to run the DOS executable as an OS/2 program and fails. Either make sure that only the DOS executables are installed or if they are already installed or you migrated the install by hand, precede every command with the FORCEDOS command.

License and status

  • Closed source commercial software
  • Author: Microsoft

Articles

Publications

  • Charles Petzold: OS/2 Kernel Programming - Contains an example OS/2 16-bit MASM assembly program. - PC Magazine 1987
  • Ray Duncan: Power Programming with Microsoft Macro Assembler - Microsoft Press 1991, ISBN 1-55615-256-6

Links

Retrieved from "https://www.edm2.com/index.php?title=Microsoft_Macro_Assembler&oldid=76525"