Microsoft Macro Assembler (MASM) is an x86 Assembler that uses Intel syntax for MS-DOS and Windows.
In most Universities, for 8086 Programming, Windows XP Systems are used in laboratories, which is the last version of windows to support 16-bit DOS programs.
MASM has never been for the faint of heart, it is an uncompromised tool that has never been softened into a user friendly toy and it required the development of expertise to use correctly but for the programmer who already has experience in low level C and similar code, MASM offers power and flexibility that the best of compilers cannot deliver. The Microsoft Macro Assembler (MASM) is an x86 assembler that uses the Intel syntax for MS-DOS and Microsoft Windows. For a time, it competed with Borland Turbo Assembler. IBM re-branded early versions under the name IBM Macro Assembler. Later versions were bundled with Microsoft Visual Studio.
Introduction The Microsoft ® Macro Assembler Programmer’s Guide provides the information you need to write and debug assembly-language programs with the Microsoft Macro Assembler (MASM), version 6.1. This book documents enhanced features of the language and the programming environment for MASM. The MASM32 SDK version 11 is a working development environment for programmers who are interested in either learning or writing 32 bit Microsoft assembler (MASM). The installation is an automated process that installs the correct directory tree structure on the local drive of your choice.
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However, most students use Windows 7 and above, running either 32-bit or 64-bit OS. Although officially unsupported, there is a way to run the same classic DOS interface with windows 7 and above.
Here are the steps:
- Go to the download link (DOS Box & 8086 Assembler With CodeView) and download both the zip files in the folder.
- Unzip both the folders, Copy the folder named 8086 in the root directory (C:8086).
- Install the executable DOSBox file in the other zip file.
- Open DOSBox (shortcut should automatically be placed in the desktop post installation).
- Type in the following commands:
- mount c c:8086 (this step is to be repeated every time you open DOSBox)
- c:
- edit (filename).asm (then write your code)
- masm/zi (filename).asm;
- link/co (filename);
- cv/p (filename) (this will open up CodeView)
- To use in Full screen mode, Press alt+Enter key.
- use the syntax exit to exit out of DOSBox.
That is all. You should have a working old school 8086 Assembler with CodeView at this point.
For any dead download link(s), please put it up in the comments section below. I’ll update as soon as possible.
The Microsoft Macro Assembler (MASM) is anassembler for the x86 family of microprocessors, originally produced MicrosoftMS-DOS operating system.
i.It supported a wide variety ofmacro facilities and structured programming idioms, including high-levelconstructions for looping, procedure calls and alternation (therefore, MASM isan example of a high-level assembler).
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ii.MASM is one of the fewMicrosoft development tools for which there was no separate 16-bit and 32-bitversion.
iii.Assembler affords theprogrammer looking for additional performance a three pronged approach toperformance based solutions.
iv.MASM can build very small highperformance executable files that are well suited where size and speed matter.
v.When additional performance isrequired for other languages, MASM can enhance the performance of theselanguages with small fast and powerful dynamic link libraries.
vi.For programmers who work inMicrosoft Visual C/C++, MASM builds modules and libraries that are in the sameformat so the C/C++ programmer can build modules or libraries in MASM anddirectly link them into their own C/C++ programs.Thisallows the C/C++ programmer to target critical areas of their code in a veryefficient and convenient manner, graphics manipulation, games, very high speeddata manipulation and processing, parsing at speeds that most programmers havenever seen, encryption, compression and any other form of informationprocessing that is processor intensive.
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vii.MASM32 hasbeen designed to be familiar to programmers who have already written API basedcode in Windows. The invoke syntax of MASM allows functions to be called inmuch the same way as they are called in a high level compiler.