6502 is a classic 8-bit microprocessor that was at the heart of many iconic systems of the late ’70s and ’80s, including the Apple I, Apple II, Commodore 64, NES, and others.

Here are some basic assembly language examples for the 6502 chip:

The actual instruction set of the 6502 is quite rich, and the chip has a unique and interesting way of addressing memory which was a major part of its design philosophy. If you’re diving into 6502 assembly, consider getting a full opcode reference and maybe even trying out an emulator or assembler to experiment directly with the chip.