I asked deepseek: Downward-growing stacks** are more common in many architectures (e.g., x86, ARM). This convention originated from early computer architectures and has been carried forward for consistency.
Funny, I can’t remember, because I did a lot of assembler.
What about stacks grows to higher addresses?
Medium update: Bugfixes, new weapon, new GFX: aura, transparency, damage: Link
https://tetramatrix.itch.io/old-school-retro-mini-game-spaceship