Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
microcode
.
Show all posts
Showing posts with label
microcode
.
Show all posts
Undocumented 8086 instructions, explained by the microcode
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What happens if you give the Intel 8086 processor an instruction that doesn't exist? A modern microprocessor (80186 and later) will g...
15 comments:
The Group Decode ROM: The 8086 processor's first step of instruction decoding
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A key component of any processor is instruction decoding: analyzing a numeric opcode and figuring out what actions need to be taken. The ...
3 comments:
Reverse-engineering the multiplication algorithm in the Intel 8086 processor
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While programmers today take multiplication for granted, most microprocessors in the 1970s could only add and subtract — multiplication r...
13 comments:
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