Also:

Part 2: https://blog.wesleyac.com/posts/snes-dev-2-background-graphi...

Part 3: https://blog.wesleyac.com/posts/snes-dev-3-input

Part 4: https://blog.wesleyac.com/posts/snes-dev-4-nmi-and-vblank

Part 5: https://blog.wesleyac.com/posts/snes-dev-5-dma

Part 6: https://blog.wesleyac.com/posts/snes-dev-6-sprites