Implements everything relating to things that are displayed on screen.
Graphics mode 3. Bitmap mode that provides a 16-bit colour framebuffer.
Graphics mode 4. Bitmap 4 provides two 8-bit paletted framebuffers with page switching.
Test logo of agb.
Graphics mode 0. Four regular backgrounds.
Syscall for waiting for vblank.
Giving out graphics mode.
Manages distribution of display modes, obtained from the gba struct
Height of the Gameboy advance screen in pixels
Width of the Gameboy advance screen in pixels
Waits until vblank using a busy wait loop, this should almost never be used. I only say almost because whilst I don’t believe there to be a reason to use this I can’t rule it out.