72 lines
2.1 KiB
NASM
72 lines
2.1 KiB
NASM
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IFEQ FW_VBL_MUSIC_IRQ
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fail "FW_VBL_MUSIC_IRQ must be enabled"
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ENDC
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IFEQ FW_DYNAMIC_MEMORY_SUPPORT
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fail "FW_DYNAMIC_MEMORY_SUPPORT must be enabled"
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ENDC
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fw_MusicAlloc:
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move.l #pv_SIZEOF+sv_SIZEOF,d0
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bsr fw_AllocFast
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move.l a0,fw_PretrackerMyPlayer(a6)
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lea pv_SIZEOF(a0),a0
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move.l a0,fw_PretrackerMySong(a6)
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rts
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fw_MusicInit:
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PUTMSG 10,<"%d: Pretracker song init %p %p">,fw_FrameCounterLong(a6),a0,a1
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move.l a0,a2
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PUSHM d4-d7/a1/a4-a6
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;move.l fw_PretrackerMyPlayer(a6),a0 ; unused
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move.l fw_PretrackerMySong(a6),a1
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PUTMSG 10,<"MyPlayer=%p MySong=%p Data=%p">,a0,a1,a2
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bsr pre_SongInit
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POPM
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move.l a1,d1
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bne.s .noalloc
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PUTMSG 10,<"Allocating %ld bytes samples memory for Pretracker">,d0
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bsr fw_AllocChip
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move.l a0,fw_MusicSamples(a6)
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move.l a0,a1
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.noalloc
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PUTMSG 10,<"%d: Pretracker player init">,fw_FrameCounterLong(a6)
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move.l fw_PretrackerMyPlayer(a6),a0
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move.l fw_PretrackerMySong(a6),a2
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lea fw_PretrackerProgress(a6),a3
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PUTMSG 10,<"Progress at %p">,a3
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clr.l (a3)
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PUSHM d4-d7/a4-a6
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bsr pre_PlayerInit
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POPM
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PUTMSG 10,<"%d: Pretracker init done">,fw_FrameCounterLong(a6)
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rts
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fw_MusicPlay:
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PUSHM d4-d7/a4-a6
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move.l fw_PretrackerMyPlayer(a6),a0
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move.l fw_PretrackerCopperlist(a6),a1
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bsr.s pre_PlayerTick
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POPM
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rts
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fw_MusicStop:
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move.w #DMAF_AUDIO,dmacon(a5)
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; unsupported right now
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rts
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;--------------------------------------------------------------------
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; sets the position if supported
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; d0.w = new position
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fw_MusicSetPosition:
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move.w d0,fw_PretrackerMySong+sv_curr_pat_pos_w(a6)
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rts
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;--------------------------------------------------------------------
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PRETRACKER_COPPER_OUTPUT = FW_MUSIC_PLAYER_CHOICE-4
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PRETRACKER_DONT_TRASH_REGS = 0
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include "../framework/musicplayers/raspberry_casket.asm"
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