======== BKGR Memory Map ========

===== Functions =====

^ Address ^ name ^ Description ^ 
| 08001800 | unsafe_dma_fill_32 | | 
| 08003074 | dma_fill_32 | | 
| 080030E8 | dma_transfer_32 | | 
| 08003164 | dma_transfer_16 | | 
| 080031D0 | unsafe_dma_transfer_16 | |
| 080031E8 | read_keys | | 
| 08003218 | sync_vblank | Syncronizes with vblank. Skips a frame until it reaches vblank. |
| 08003228 | skip_vblank | Skips vblank by waiting untill vblank is over. | 
| 080032DC | check_stacks | Checks whether both stacks are still intact or haven't overflowed. | 
| 08002FC4 | integer_to_ascii_b | Converts an integer to an ascii string. Writes backwards in buffer. |
| 08002FF4 | integer_to_ascii_f | Converts an integer to an ascii string. Writes forwards in buffer. |
| 08004BCC | set_music | Changes music | 
| 080050B8 | set_volume | Changes volume | 
| 08009704 | main | |
| 0800E7B4 | undefined | File select strings init | 
| 08012538 | setup_bg_offsets | Setup BG offsets. Offset is 0 if BG is static. |
| 080128A8 | disable_backgrounds | Disables backgrounds which are given permission. | 
| 0801291C | enable_backgrounds | Enables backgrounds which are given permission. | 
| 08012994 | setup_room | |
| 08013874 | setup_animation_tiles | |
| 08060978 | show_copyright_screen | Shows the copy right screen. Initializes video ram by doing that. |
| 08062C74 | show_gameover_screen | Shows the gameover screen. Only initializes video ram. |
| 080643C4 | HuffUnCompReadNormal | |
| 080643C8 | LZ77UnCompReadNormalWrite16bit | |
===== Data =====

^ Address ^ Ends ^ Description ^
| 8065210 | 8039AAC | Story text|
| 80CEB5C | 80CEB80 | Volume array. An array of 9 integers for volume setting |
| 80Cf4EC | 80CF61C | Room indexes | 
| 86AE150 | 86AE198 | Music indexes | 
| 86AE198 | 86AE300 | Music headers | 

===== Ram =====

^ Address ^ Ends/Length ^ Description ^
| 02001080 | 0x2 | Room id |
| 02001082 | 0x2 | Room level |
| 02001084 | 0x2 | Room music |
| 0203DFB0 | 0x4 | Entities pointer |