Inside the Intel 8087 chip: floating-point addition and subtraction

T1Covered by 1 source · first reported by Raspberry Pi / Arduino / Adafruit at 28 Oct, 13:35 UTC

Ken Shirriff has published a look at how the Intel 8087 math coprocessor performs floating-point addition and subtraction. The 1980 chip sped up floating point in the IBM PC and other systems, with addition running roughly 100 times faster than emulation on the 8086. Shirriff opened a chip with a…

hardware

Sources

• T1Inside the Intel 8087 chip: floating-point addition and subtractionRaspberry Pi / Arduino / Adafruit28 Oct, 13:35