M80C287 extension equivalent, 80-bit chmos iii numeric processor extension.
and double p.
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PROGRAMMING INTERFACE
The M80C287 adds to the CPU additional data types registers instructions and interrupts .
The M80C287 Numeric Processor Extension (NPX) provides arithmetic instructions for a variety of numeric data types It also executes numerous built-in transcendental functions (e g tangent sine cosine and log functions) The M80C287 effectively extends.
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