Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...

From a technical standpoint, everything a computer does involves reading, manipulating, and storing information through microcode instructions that move around 0’s and 1’s. Each operation performed by ...

An interesting detail about the Intel 8087 floating point processor (FPU) is that it’s a co-processor that shares a bus with the 8086 or 8088 CPU and system memory, which means that somehow ...