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GNU Info (nasm.info)Section B.4.70B.4.70. `FCHS': Floating-Point Change Sign ------------------------------------------ FCHS ; D9 E0 [8086,FPU] `FCHS' negates the number in `ST0', by inverting the sign bit: negative numbers become positive, and vice versa. automatically generated by info2www version 1.2.2.9 |