> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfnote/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfnote/computer-science/computer-systems/instructions.md).

# Instructions

## **General Form**

**OPCODE OPERAND OPERAND, ...**

* **OPCODE** - what to do
* **OPERANDS** - what to do it on/with

## **Data Manipulation**

## Control Flow

## Conditionals

## Syscalls