Gameboy Development Forum

I'm attempting to write a shmup for the GBC that uses as many sprites for bullets that the Game Boy will allow. I'm writing it in C with GBDK 2020, and everything was going smoothly until I changed the list containing all of the bullet-structs to a linked-list. Now, the game runs a lot faster, however after about 20 seconds, the game crashes.

I have absolutely no clue why it's doing this - I've checked all of my code and figured out that the problem lies somewhere within the edge-collision detection for each bullet, but from there I'm lost as to why. I assume it's a problem with the way I add/delete from my linked-lists, but I can't exactly pinpoint the problem I'm running into.

I know this is super vague, but I don't really know how to debug this problem or where to even look. Would anyone be willing to help me? If you'd need any other files, I'm willing to share them.

Thank you for trying!!

Here's the link:
https://drive.google.com/drive/folders/ … sp=sharing

UPDATE: I still have the problem, however, I've discovered that the problem really only happens when two bullets hit the wall at the same time.

Last edited by Bobyrman123 (2022-02-14 03:08:23)