The Intel 8087 chip: floating-point addition and subtraction

righto.com

29 points pwgabout 2 hours ago 4 comments

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kens|about 1 hour ago

Author here with another 8087 article. What part of the 8087 should I look at next?

bonzini|7 minutes ago

Have you already covered how the decoding of instructions is shared with the 8086?

jakzurr|19 minutes ago

righto.com has been great reading. None of my friends wanted to pay for an 8087, but I can still remember getting out of school (for 2nd time) and saving up for the 486DX after 3 others got them. After that, well, it's been quite a ride.

n923263|40 minutes ago

Minor erratum: "1.1 (binary) × 2^8 is 304" should be 384.

kens|38 minutes ago

Thanks! I guess I didn't have my glasses on when I read that number :-)