Microsoft Macro Assembler reference
The Microsoft Macro Assembler (MASM) provides several advantages over inline assembly. MASM contains a macro language that has features such as looping, arithmetic, and text string processing. MASM gives you greater control over the hardware. By using MASM, you also can reduce time and memory overhead in your code.
In This Section
ML and ML64 command-line option
Describes the ML and ML64 command-line options.
MASM for x64 (ml64.exe)
Information about how to create output files for x64.
Describes basic instruction format and instruction prefixes for MASM.
Provides links to articles that discuss the use of directives in MASM.
Provides links to articles that discuss the use of symbols in MASM.
Provides links to articles that discuss the use of operators in MASM.
ML error messages
Describes fatal and nonfatal error messages and warnings.
Processor Manufacturer Programming Manuals
Provides links to programming information about processors not manufactured, sold, or supported by Microsoft.
Formal BNF description of MASM for x64.
C++ in Visual Studio
Provides links to different areas of the Visual Studio and Visual C++ documentation.