Ken Shirriff's blog

This article looks at how the ARM1 processor executes instructions. Unexpectedly, the ARM1 uses microcode, executing multiple microinstruct...

This article is translated into Vietnamese at: Bên trong chíp định thời 555 . If you've played around with electronic circuits, you ...

When a computer executes a machine language instruction, it breaks down the instruction into smaller steps that are performed in sequence....

This article reverse-engineers the flag circuits in the ARM1 processor, explaining in detail how the flags are generate, controlled, and ...