References
Old: http://www.sega-16.com/forum/showthread.php?32089-Lookup-Table-Help&p=772371&viewfull=1#post772371
New: Jorge@Plutiedev
; ************************************
; Song structure
; ************************************
song_struct rs.l 4
song_author_address = $0
song_title_address = $4
song_vgm_address = $8
song_beatmap_address = $C
; ==============================================================
; GetSongData
; d3 - index of song data to load
; ==============================================================
GetSongData:
; Get song address in table
mulu #song_struct_size, d3 ; Index to offset
lea SongList, a3 ; Get song table address
add.l d3, a3 ; Add offset
move.l song_vgm_address(a3), a1 ; Get vgm ptr, to a1
move.l song_beatmap_address(a3), a2 ; Get beatmap ptr, to a2
rts
; ==============================================================
; GetSongMetaData
; d3 - index of song data to load
; ==============================================================
GetSongMetaData:
; Get song address in table
mulu #song_struct_size, d3 ; Index to offset
lea SongList, a3 ; Get song table address
add.l d3, a3 ; Add offset
move.l song_author_address(a3), a1 ; Get author name ptr, to a1
move.l song_title_address(a3), a2 ; Get song title ptr, to a2
rts
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