nesdev.org

quick question for memblers:

Will future garage carts have the same or a more flexible mapper? It would be cool to see this AxROM game on some future version of the cart but it doesn't fit the UNROM mold at all.

It outputs RGB instead of composite video. You'd find it in a playchoice-10 and an obscure piece of hardware I forgot.

yeah all you have to do is shift the tile data in the direction of scroll (with wrapping edges ofcourse) because after 16 pixels of shifting with that screen you are back to where you started with no need to update nametables. at minimum, it'll just be 32 bytes additional uploading if you just stick...

Now that I think of it, I don't think I've seen anything in the platform genre out of NES homebrew. I'd like to see how this turns out.

Sounds like quite a task. CHR-RAM games (battletoads and micromachines coming to mind) had a parralax effect where tiles that weren't in the foreground all shared a common tile (or was a 16x16 layout?) that was rewritten depending on the scroll of the foreground, but nothing on the scale of this. Yo...

I thought that you said PPU writes were ignored for the first frame? yeah what's up with that. @servicedude: I remember reading that if the ppu address lies in the palette ram, and the screen is disabled, it displays the color pointed to in palette ram. So that would ensure that the display color i...

Thanks Memblers. I didn't consider the arcade form of doing it, I just threw in the demo play because I think it's a neat feature that's easy to pull off and it's used everywhere. I think I will split the demo into 2 portions, and they play in alternating form. Scoring needs a screen in the info sec...

I suppose the ppu unwritable-during-warmup issue would mean you have no control on the content of palette ram for the first frame.

It's wasteful, sure. In my game I take the current 'OAMINDEX' (next available tile) and work backwards so that only used sprites get cleared.

Lots of games do something like this at the end of the frame to 'destroy' all sprite tiles. If they can't be seen that's all that matters.

Seconding the cool zombie comment. It works pretty well with the palette transition.

Crap, completely forgot to read that DMC fortified joypad read thread. I'm guessing that's where the phantom button presses are coming from. e: updated ROM with blarg's joypad routine for reliable reading during DPCM playback. @Lord Nightmare: I added something like that as part of the bonuses at le...

when i kill enemies directly below in the second loop i descend on them with the force field on. Otherwise you have to rotate fairly quickly all you fall and crash. I might fit in a congratualtory screen between the game over for that too. In an extremely frustrating incident, the bug in the OP is s...

I didn't see this before the necropost, but it looks a well crafted game with some neat presentation. I also think the white flash would look better as a black blank screen instead. Like suggested before, it would look even nicer if it faded to black, then the screen was blanked, tiles replaced, the...

@blargg: right, I originally did it just to indicate the back end of the ship, but that actually fits alot better. Some of the detail is lost in rotation (using rotsprite from sonicretro) which I tried to add back. I think it looks a bit better than the last one anyway. New GFX are in the same ROM l...