Because of his background in assembly-level programming and low-level C coding on machines with slow CPUs and very little RAM, David Wren, PassMark Software’s founder, had a strong interest in coding ...

What if you could strip away the layers of abstraction that operating systems impose and interact directly with your computer’s hardware? Imagine crafting a program where every instruction is executed ...

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 ...