In this tiny ebook, the author provides a beginner’s guide to writing 6502 assembly language, a language that powered famous computers in the past. Despite being considered a dead language, modern hobbyists still use 6502 processors. The author argues that learning 6502 assembly language is valuable for understanding the lowest level of computer abstraction. Through a step-by-step example using a JavaScript 6502 assembler simulator, readers can explore how assembly language works. The text covers various aspects such as registers, flags, instructions, branching, addressing modes, and the stack. Ultimately, the author encourages readers to apply their knowledge by creating a simple game.
https://skilldrick.github.io/easy6502/