PLAYERSTART = 0x4000
macro PLAYERHEADER
dw playerinit ;called once, should check if sound device is available (if possible)
dw playerdeinit ;called once when the application is exiting
dw musicload ;function that loads the file allocating all required resources
dw musicunload ;function that frees all resources allocated in musicload and mutes the sound device
dw musicplay ;function called in the main loop, should update progress variable
dw isfilesupported ;function to determine if this player can handle the file
dw playernamestr ;player name string
dw 0 ;address of the song title, zero means the title is unavailable and file name should be displayed instead
dw 0 ;address of play progress variable, setting this to zero disables progress bar
endm
PLAYERINITPROCADDR = PLAYERSTART+0x00
PLAYERDEINITPROCADDR = PLAYERSTART+0x02
MUSICLOADPROCADDR = PLAYERSTART+0x04
MUSICUNLOADPROCADDR = PLAYERSTART+0x06
MUSICPLAYPROCADDR = PLAYERSTART+0x08
ISFILESUPPORTEDPROCADDR = PLAYERSTART+0x0a
PLAYERNAMESTRADDR = PLAYERSTART+0x0c
MUSICTITLEADDR = PLAYERSTART+0x0e
MUSICPROGRESSADDR = PLAYERSTART+0x10
struct GPSETTINGS
sharedpages ds 3
usemp3 dw 0
usemwm dw 0
usept3 dw 0
usevgm dw 0
usemoonmod dw 0
moonmoddefaultpanning dw 0
ends