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Cx51 User's Guide

NOPREPROCESS Compiler Directive

Abbreviation NOP
Arguments None.
Default C Source code is interpreted by the C Preprocessor.
µVision Options — C51 — Misc Controls.
Description Disables the C Preprocessor. The source code is no longer interpreted by the C preprocessor. It is instead forwarded directly to the compiler.
See Also PREPRINT
Example 
C51 SAMPLE.C NOP

#pragma nopreprocess