A lot of fixes for CD compatibility and sound samples.
- Added PSG sample playing.
- Added CD-ROM ADPCM.
- Added CD audio fade.
- Added minimal support for LD-ROM bios.
- Fixed VBlank vs Raster IRQ timing.
- Fixed Timer vs cpu cycles.
- Fixed CD DMA.
- Fixed interrupt handling for CD.
- Fixed seek times for CD-ROM.
- Fixed CD command abort.
- Fixed handling of all CD Audio playing modes.
- Fixed a bug with VDC tile 0x400.
- Better timing of tiles/tilemap updates.
- Ported from devkitARM to BlocksDS, smaller binary.