nesdev.org

Thank you for testing!!! :) How’s the gameplay? Somewhat fun, I hope. :mrgreen: If you get stuck, use debug mode to change the player position. Gameplay is very limited now, but existing things feel good. I always test on Nestopia and MESEN so that bug slipped through. I’ll try to figure it out. :)...

Loool. He used assembler to write RIPDOOM for Amiga. Assembler too. C code (right now) is used to generate precalculated tables (like sin/cos) only! Lol. I think it's because of 'double' math support. :) Right now project heavily uses 3 kinds of assembler for 3 different CPUs and a little bit C for ...

Phase two adds a lot of new files: https://github.com/RandalLinden/DOOM-FX

As I wrote in previous topic: looks very cool!
But this image hangs up at startup (grey screen) in FCEUX. It works well in Mesen. However not wotking in FCEUX is bad sign. I bet there is some bug in startup code.

vectors.a contains vectors tables for CPU and SuperFX (GSU)
bank00.a contains initialization (RESET0 vector). which goes to init.a with RESET proc.
Looks like GSU handles all interrupts (???).

AFAIR Randy made it's own toochain to compile all this stuff (including asm for SuperFX) and this is why this release of sources are marked as 'phase 1'.
Because there will be 'phase 2' or more with tools and compilers.
The problem is (AFAIR again) they are for some Amiga PC.

COOL! I'm going to look at this...

wonder wrote: ↑Sat Jul 11, 2020 12:47 am By the way, this is what's cooking in the oven:

It looks very cool!
I like idea of little game characters. Map looks big and many layers of labyrinth are possible.
I want to create something similar.

... PS: I don't like the way famitone, neslib and crt0 depend on each other, so I might try to do some clean-up next week. Yes, it is what I want to recommend. neslib has interface/link to famitone2, so you should carefully choose how to modify all of it for MMC3. I would make minimal architecture ...

Hm... neslib calls FamiToneUpdate itself. So you do not need to call it manually at all.
Just remove setting nmi_handler and tempo will be ok. However music sounds bad, but I don't know if it just online emulator fault.

wonder wrote: ↑Fri Jul 10, 2020 5:05 am As I mentioned before, I think the files are incompatible with each other (neslib, famitone2, crt0).

Looks like choosing PAL region instead of NTSC or vice versa.
I'll try to check it now...

It's not as epic as Aliens: Colonial Marines bug ( https://www.pcgamesn.com/aliens-colonial-marines-collection/aliens-colonial-marines-ai-bug-fix ), but it's really cool. :) And I wonder - many games with exclusive DCPM fragments have very dirty sounds. 'Kawabanga' in TMNT (2?) for example. These co...

Also, note, that if you are using DCPM channel you must place DCPM data into correct segment using second MMC3 layout. Look in famitone2 documentation for details.

I write directly in assembler, so I do not know C details. But famitone2 make it easy in it's heart: you just need to switch to this bank before calls to famitone functions. And important one: famitone_update. So, looking at these code: nmi_set_callback(famitone_update); I think you should do some t...

I think it is very interesting topic/theme. But Randy Linden still didn't publish code and this is sad. Definitely I want to see it and do some analysis (but I do not plan to do some serious work/research). Moreover, I think Doom community is strong (I am part of it as gamer and I complete tops of '...