First, architecture basics are detailed with information on the register sets, data types, and memory and instruction formats. Next, instruction set extensions are detailed, which include Intel® ...

The folks at Return Infinity just released a new version of their BareMetal OS, a 64-bit operating system written entirely in assembly. The goal of the BareMetal project, which includes a ...

For most people, you turn on your computer, and it starts the operating system. However, the reality is much more complex as [Thasso] discovered. Even modern x86 chips start in 16-bit real mode and ...

Once we’ve built a computer, the next step is to develop an assembly language and then an assembler that can assemble our programs. In my previous column, we introduced the concept of the big-endian ...