Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
8087
.
Show all posts
Showing posts with label
8087
.
Show all posts
Die analysis of the 8087 math coprocessor's fast bit shifter
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Floating-point numbers are very useful for scientific programming, but early microprocessors only supported integers directly. 1 Although...
6 comments:
Extracting ROM constants from the 8087 math coprocessor's die
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Intel introduced the 8087 chip in 1980 to improve floating-point performance on the 8086 and 8088 processors, and it was used with the ori...
10 comments:
Two bits per transistor: high-density ROM in Intel's 8087 floating point chip
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The 8087 chip provided fast floating point arithmetic for the original IBM PC and became part of the x86 architecture used today. One unusua...
14 comments:
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