Hacker News with Generative AI: GameBoy Advance

Solving the Mystery of ARM7TDMI Multiply Carry Flag (bmchtech.github.io)
The Gameboy Advance has a pretty neat CPU - the ARM7TDMI. And by neat, I mean a chaotic and sadistic bundle of questionable design decisions.
How I failed to make a game: Raycasting on the GBA (mcejp.github.io)
Today I am releasing my raycasting tech demo for the GameBoy Advance. Although it falls short of the goals I set out in the beginning – which included releasing a playable game –, I think there are some lessons worth sharing with the world.