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## Basics
Here we have simple programs which try to explain a particular topic of NES
programming. They are single files which already contain all you need in order
to have a working program. This means that there is quite a lot of boilerplate
you might not be aware. For this reason I encourage you to start with the
`sprite.s` file, which has a step by step explanation on how the NES is
initialized and what do all these magic "HEADER" and other jargon actually mean.
Anyhow, these programs are as follows:
- `sprite.s`: detailed explanation on how to initialize the NES in order to have
some background and a sprite shown on screen. Follow along the code in order
to get a detailed explanation on each section.
- `input.s`: how to read the input from one controller.
- `persist.s`: using the MMC1 chip in order to persist data.
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