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* Implement falling itemsMiquel Sabaté Solà2026-03-131-5/+3
| | | | | | | | | Every now and then an item will fall and, as in the original game, a fuel tank will be delivered whenever needed. There are still some things left out for later changes, like picking up items mid-air, or background effects for the rocket being filled with fuel. Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Initial implementation for itemsMiquel Sabaté Solà2026-03-111-1/+1
| | | | | | | | | | This now only supports the appearance of shuttle parts and the fact that the player can collect them at a very specific order and drop them so to stack up the final shuttle. This is of course just the skeleton and there's a bunch of TODO's left. Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Show lifes for player 2 if availableMiquel Sabaté Solà2026-03-081-0/+14
| | | | Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Exchange the colors on the second foreground paletteMiquel Sabaté Solà2026-03-051-1/+1
| | | | | | This allows enemies to be even more varied when it comes to the color. Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Replace some todo's with the safe __fallthrough__Miquel Sabaté Solà2026-02-111-3/+1
| | | | Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Adapt the code to play well with nasm's asanMiquel Sabaté Solà2025-12-151-35/+35
| | | | | | | The address sanitizer from nasm provides quite a few goodies, so let's adapt the code more to it to benefit from those. Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
* Add walking animationMiquel Sabaté Solà2025-03-201-0/+1
| | | | | | This also corrects a pixel from one of the animations on the chr file. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Disable the PPU between the title to main screensMiquel Sabaté Solà2025-03-191-6/+50
| | | | | | | During other transitions like game over and such it might also be needed to have something similar, but for now this should cut it. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Add a title and a main screensMiquel Sabaté Solà2025-03-131-0/+142
This commit adds the skeleton for having a title and a main screen. For now the title menu doesn't do much, as the selection is simply ignored, but at least it already knows how to cycle between these two states. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>