The microcontroller’s CPU reads program code from memory, one instruction at a time, decodes each instruction, and then executes it. All memory content—both program code and data—is in binary form: ...

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 instructions a programmer writes when creating a program. Lines of code are the "source code" of the program, and one line may generate one machine instruction or several depending on the ...

A directive in the native binary language of the hardware platform it is running in. The anatomy of a machine instruction is an operation code (op code) followed by one or more operand nouns. The op ...

David Letterman made the top ten list famous. [Creel] has a top ten that should appeal to many Hackaday readers: the top 10 craziest x86 assembly language instructions. You have to admit that the ...

[David] is building a project with an OLED, a keyboard, and an RP2040. He’s perfected a scanning routine in C to work with the keyboard, but he still had some places he wanted to use even lower-level ...