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Assembler Samples is a MFC dialog-based application project which is a test of using inline assembler in Windows application. There are three functions which convert a coloured picture to gray by three way. One is in pure C++, the second in i386 assembler and the third uses some MMX instructions. There is also a comparison of different compilers, these are MS C++ compiler, Intel C++ compiler and GCC. This sample demonstrates how it is possible to speed up a program using old DOS graphics by writing the color values direct into a memory at 0xA000 address (size = 1 segment).

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