Using Assembly routines in Visual C++

Mixed-language programming allows you to combine the unique strengths of Visual C++ with your assembly-language routines. There are some cases where you want to achieve things using inline assembly, such as improving speed, reducing memory needs and getting more efficiency. However, inline assembler is not as powerful as MASM, it does not support macros or directives. This article explains how to write assembly routines that can be called from Visual C++ modules

Link: Code project