8087 Floating-Point Operations Explained

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Intel's 8087 coprocessor enabled fast floating-point operations. It provided hundredfold speed boosts over 8086 for addition and subtraction. The implementation relies on shifting and overflow detection in dedicated hardware.

https://hackaday.com/2026/10/22/floating-point-addition-and-subtraction-on-intels-8087/

Image: intel_8087_add_subtract_circuitry_ken_shirriff.jpg

Image: intel_8087_add_subtract_circuitry_ken_shirriff.jpg

#floating #cpu #hardware #math

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