MAMEWorld Forums - MAME Artwork: Official - Re: Attn: Mr. Do or Vas Crabb = invaddlx question

> So I'm alphabetically up to the I's and I've hit my first snag. I've set up my
> invaddlx file with the following iterations, in order:
> 1. The backdrops.
> 2. The game screen using the "add" blend.
> 3. The overlay using the "multiply" blend.
> 4. The bezel.
> Problem is, the overlay is affecting the backdrops as well as the game screen with
> this setup. Is this a result of the overlay being too complex (gradient) for the new
> setup or is there a syntax/method I'm missing? I haven't run into this with any of
> the other games with backdrops and overlays thus far.

See my post on Reddit here: https://www.reddit.com/r/MAME/comments/j...so_far/g7ujlrr/

In “Space Invaders” mode, the draw order was screens, overlays (multiply), backdrop (add), bezels, control panels, marquees. If you want more than one backdrop element, you need to use pre-matted bitmaps.