Homebrew Project Questions

[WinterMute]

Palette index 0 is transparent.

[Tron]

Palette index 0 is transparent.

Ah, I should've guessed.

9. Can hardware scrolling be done on tiled backgrounds, and if so, does it move by pixel or by tile width (8 pixels) and how is it done?

[coreyh2]

the example all_in_one has code for regular scrolling and scrolling with a smaller hardware tilemap and a larger tilemap stored in memory. Also many other things. Its a great example.

devkitPro\examples\nds\Graphics\Backgrounds\all_in_one

[Izhido]

Actually, the DS hardware is the one to blame in this 1 vs 2 - 4-byte copy conundrum. It seems to be designed that way.

See the Notes below the tables here: http://nocash.emubase.de/gbatek.htm#dsmemorycontrolvram