Heck yeah! Pledged, wishing you the best of luck!

This is looking superb! I didn't know much about this game but the blend of mechanics (turn based combat + sidescroller) stands out to me as something pretty unique & refreshing, I can see why you wanted to port it!
Keep up the great work! ^^

Hey all, we had some spam accounts joining recently, so I've added a simple captcha quiz to the registration form.

Hopefully this solves the problem! If not, we may have to explore other solutions.

When it says "duplicate identifier" is that part of a larger error message? Does it tell you which file and which line of code the error is on?

[edit] or did you already solve it?

I'm not familiar with DragonBasic but "duplicate identifier" likely means you tried to make two variables with the same name, or something similar.
In case that doesn't help you narrow down the problem, could you post some code and the full error message?

Also, if you're looking for something newer and better-supported than DragonBasic yet still relatively easy to code in, maybe BPCore would be good for you?

A dev called Archivist is running a beginner-friendly C programming course, it's not free (costs about $33) but I figured I'd share it here in case it's helpful to anyone.

You can reach them on Mastodon: https://social.linux.pizza/@Archivist/110072825143848419
(thanks @kva64 for sharing!)

Looks like the Markdown renderer used by the forum is Mistune which supports custom plugins, though nobody has written a video embed plugin for it yet, so we'll have to make our own I guess.

I want to go about this in a more proper way, learning the background knowledge and skills that are fundamental to making software for the Game Boy Advance

There's kind of a huge number of options for GBA dev nowadays, however if your goal is to get comfortable enough that you can make more advanced edits to the GBA Doom port, that simplifies things a lot:

• Find a good book or tutorial on C programming.
  • You want something beginner-friendly that will teach you the foundations - compiling, variables & types, operators, includes, control flow, functions, arrays, pointers, structures.
  • Beej's Guide to C Programming seems promising, though assumes you have experience at least 1 other programming language. Still, it's the best free resource I could find after a fair bit of searching.
  • Expect to spend a few evenings doing non-GBA stuff. Try some exercises, make some terminal programs like a calculator, quiz, caesar cipher, battleships or a maze generator, etc.
  • Get to know your terminal, text editor, version control, debugger, etc. A good resource for this is The Missing Semester of Your CS Education (I'm not sure this is totally necessary since you're already using GitHub and stuff, but maybe it helps?)
• Read TONC to learn GBA development.
  • Well, you don't have to read it cover-to-cover, but it's absolutely jam packed with useful information about both GBA programming and low-level C programming in general. Some people dislike its long, meandering style, but for me it was exactly what I needed when I was getting started.

I can't help all that much with the specifics of DOOM engines or 3D rendering or anything like that, so you'll have to look elsewhere for those... but I think all the stuff above is what you'll need to get the fundamentals you're after!

And it's over!

Welp, I had to resort to my plan B but managed to squeeze in an entry.

It seems we got 15 or so in total which is great! Looking forward to trying them all out over the weekend. ^^

I'm in the insanely lucky position to be making a GBA game for a living right now... But before getting to this point, I had some day jobs, and worked on the game on weekends.

First I sold my soul to work in mobile games (well, at what was initially a small & very creative studio) in the Netherlands, which is where I met Rik and we started making Goodboy in our spare time. As time went on, the nature of projects we were working on at the day job got worse, and we both grew tired of being milked for our creativity to make shallow ad machines.

But yeah, the trick to making progress on Goodboy during that time was to arrange to meet up with Rik every other weekend. I could never have done it by myself, but when you set aside time to jam it out with another person, you can really keep up the momentum that way.

After a couple of years I handed in my notice and moved back to the UK for a job in web development, just as the pandemic struck. Unlike the last job, this one was for a good cause. But it was infuriating in its own way because the processes were sluggish, the team was underqualified, and the technology stack was atrocious. PHP + Jira + being stuck in Teams meetings for hours every day is a really brain-rotting combo!

The stuff I did for the GBA community during that time (helping to set up GBA Jam 2021 and such) was basically done while procrastinating from work to keep myself sane. But this also had its toll, because my resulting focus & productivity issues (undiagnosed ADHD maybe?) meant I was basically "at my job" for every waking hour, as I'd feel obliged to catch up on all the work I didn't do during the day.

The silver lining was that I was able to negotiate Fridays off, which I dedicated to working on the game. If you ever have this opportunity and can afford to, freaking take it!

We kept plugging away at the game on Fridays & weekends for another year and a half, and eventually were able to get everything into gear for the Kickstarter campaign. And it took off, because we had the right headlines at the right time (20th anniversary of the GBA, first commercial GBA game in 13 years (yes, that's a stretch, we really meant something more specific than that)), and a physical publisher who could push the story through their own channels, and we reached out to retro gaming YouTubers, and spread it on Twitter as far as we could. But on top of all that, we had a great trailer and great demo to back it up.

So that's the story of how I tanked 4 years of psychic damage to break free and go full time indie, with a lot of luck too. But it's not over, we still have to finish the full game... And do the Switch port. And we have no idea how successful the final thing will be, we can only hope it's enough to sustain us so we can keep doing this!