GameBoy CPU Manual (2013) [pdf]
Every time someone resurfaces the Pan Docs in a new form, I'm reminded of how I haven't touched my Gameboy dev efforts[0] in months. As fun as it is to conquer the Z80, it's difficult to get motivated working in an ecosystem that is <i>still</i> almost utterly without development tools.<p>Kirby's Dreamland was programmed with a track ball running on a hacked up Famicom. [1] We haven't come too far since then.<p>[0] <a href="https://github.com/Eiriksmal/gameboy" rel="nofollow">https://github.com/Eiriksmal/gameboy</a><p>[1] <a href="https://arstechnica.com/gaming/2017/04/the-first-kirby-game-was-programmed-without-a-keyboard/" rel="nofollow">https://arstechnica.com/gaming/2017/04/the-first-kirby-game-...</a>