The programmer (the person who writes the sequences of instructions for a particular task) uses a different model (a programming model) of the microprocessor used in a system than does the hardware ...

I have a certain basic understanding of how CPUs are made up with functional blocks, stages in a pipeline, why instructions are decoded and dispatched, and a naive understanding of cache hierarchy.

The CPU does not need to be an opaque box of mystery. Skilled programmers learn their tools, including what goes on inside the CPU. Very skilled programmers learn to optimize their code by knowing ...

The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...

There are two types of memory modes offered by the eZ80 CPU. This application describes the types of memory modes, and provides a simple application to demonstrate how to properly configure the eZ80 ...