Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label 6502. Show all posts
Showing posts with label 6502. Show all posts

Silicon reverse engineering: The 8085's undocumented flags

›
The 8085 microprocessor has two undocumented status flags: V and K. These flags can be reverse-engineered by looking at the silicon of the ...
7 comments:

The 6502 CPU's overflow flag explained at the silicon level

›
In this article, I show how overflow is computed in the 6502 microprocessor at the transistor and silicon level. I've discussed the mat...
16 comments:

The 6502 overflow flag explained mathematically

›
The overflow flag on the 6502 processor is a source of myth and confusion. In this article, I explain signed and unsigned binary arithmetic...
28 comments:
‹
›
Home
View web version
Powered by Blogger.