;******************************************************************************* ; State for all tracks (see TRACK_* for format) ;******************************************************************************* macro UninitTrack dw DefaultEndBgm ; TRACK_ADDR_* ("no loop" point) dw DefaultEndBgm ; TRACK_LOOP_* ("no loop" point) db FLAGMASK_REFRESH ; TRACK_FLAGS (set all the defaults) db $FF ; TRACK_WAIT (slowest wait possible) ds SIZEOF_TRACK-7 db $C0 ; TRACK_PAN (both speakers on) endm TrackData: BgmTrackData: BgmTrackData_Fm1: UninitTrack ; BGM FM channel 1 BgmTrackData_Fm2: UninitTrack ; BGM FM channel 2 BgmTrackData_Fm3: UninitTrack ; BGM FM channel 3 BgmTrackData_Fm4: UninitTrack ; BGM FM channel 4 BgmTrackData_Fm5: UninitTrack ; BGM FM channel 5 BgmTrackData_Fm6: UninitTrack ; BGM FM channel 6 BgmTrackData_Psg1: UninitTrack ; BGM PSG channel 1 BgmTrackData_Psg2: UninitTrack ; BGM PSG channel 2 BgmTrackData_Psg3: UninitTrack ; BGM PSG channel 3 BgmTrackData_Psg4: UninitTrack ; BGM PSG channel 4 SfxTrackData: SfxTrackData_Fm5: UninitTrack ; SFX FM channel 5 SfxTrackData_Fm6: UninitTrack ; SFX FM channel 6 SfxTrackData_Psg3: UninitTrack ; SFX PSG channel 3 SfxTrackData_Psg4: UninitTrack ; SFX PSG channel 4 ;******************************************************************************* ; Table with the default state for a newly initialized track. It includes ; everything except the start address (which is written manually during init) ;******************************************************************************* TrackInitData: dw DefaultEndBgm ; TRACK_LOOP_* ("no loop" point) db FLAGMASK_REFRESH ; TRACK_FLAGS (refresh everything) db $01 ; TRACK_WAIT (start immediately) ds SIZEOF_TRACK-7 db $C0 ; TRACK_PAN (both speakers on) ;******************************************************************************* ; State for all YM2612 channels (see FMCHAN_* for format) ;******************************************************************************* FmChanData: FmChanData_Fm1: db $7F,$7F,$7F,$7F,0, 0,0,0, BgmTrackData_Fm1-TrackData FmChanData_Fm2: db $7F,$7F,$7F,$7F,0, 0,1,1, BgmTrackData_Fm2-TrackData FmChanData_Fm3: db $7F,$7F,$7F,$7F,0, 0,2,2, BgmTrackData_Fm3-TrackData FmChanData_Fm4: db $7F,$7F,$7F,$7F,0, 2,0,4, BgmTrackData_Fm4-TrackData FmChanData_Fm5: db $7F,$7F,$7F,$7F,0, 2,1,5, BgmTrackData_Fm5-TrackData FmChanData_Fm6: db $7F,$7F,$7F,$7F,0, 2,2,6, BgmTrackData_Fm6-TrackData ;******************************************************************************* ; State for all PSG channels (see PSGCHAN_* for format) ;******************************************************************************* PsgChanData: PsgChanData_Psg1: db $00,$00,$FF,$FF,$FF,$FF, $00,ADSR_RELEASE, $80, BgmTrackData_Psg1-TrackData PsgChanData_Psg2: db $00,$00,$FF,$FF,$FF,$FF, $00,ADSR_RELEASE, $A0, BgmTrackData_Psg2-TrackData PsgChanData_Psg3: db $00,$00,$FF,$FF,$FF,$FF, $00,ADSR_RELEASE, $C0, BgmTrackData_Psg3-TrackData PsgChanData_Psg4: db $00,$00,$FF,$FF,$FF,$FF, $00,ADSR_RELEASE, $E0, BgmTrackData_Psg4-TrackData ;******************************************************************************* ; SFX priority of every allocatable channel ; 0 means channel unused by SFX. Other values mean channel used by SFX, with ; higher values being higher priority. ;******************************************************************************* SfxPriority: db 0,0,0,0 ;******************************************************************************* ; YM2612 and PSG frequency values corresponding to each semitone in an octave. ;------------------------------------------------------------------------------- ; note: PSG frequency values are multiplied by 2 because the code that scales ; it to the intended octave overshoots by one octave. ;******************************************************************************* FmFreqTable: dw 644, 681, 722, 765 dw 810, 858, 910, 964 dw 1021, 1081, 1146, 1214 PsgFreqTable: dw 851*2, 803*2, 758*2, 715*2 dw 675*2, 637*2, 601*2, 568*2 dw 536*2, 506*2, 477*2, 450*2 ;******************************************************************************* ; InstrumentTLMask ; List of bitmasks indicating which slots' TL are affected during attentuation ; computation for each algorithm. ;------------------------------------------------------------------------------- ; bit 0 = set if S1's TL is affected ; bit 1 = set if S3's TL is affected ; bit 2 = set if S2's TL is affected ; bit 3 = set if S4's TL is affected ;******************************************************************************* InstrumentTLMask: db $08,$08,$08,$08,$0C,$0E,$0E,$0F ;******************************************************************************* ; DefaultEndBgm, DefaultEndSfx ; ; If a track never sets the main loop point and executes OP_END, it will be ; sent here instead (the default main loop point is here). This is how we ; implement a track coming to a stop when no loop point is set. In the case of ; SFX, it also tells it to return the channel back to BGM control. ;******************************************************************************* DefaultEndSfx: db OP_ENDSFX ; Return channel to SFX db OP_INSTRUMENT,0 ; Set instrument 0 to mute the channel ; directly with the key-off below. ; Note that it will be still updated ; despite returning the channel back ; because remapping happens before ; this but hardware updates happen ; after this. ; fallthrough... DefaultEndBgm: db OP_KEYOFF ; Stop the current note db OP_END ; Keep stuck here ;******************************************************************************* ; NullInstrument ; An instrument used to mute channels. It tries to decay the ADSR envelope as ; quickly as possible, while also being reusable for both FM and PSG. It's ; assigned to instrument #0 in tracks. ;******************************************************************************* NullInstrument: db $00 ; Algorithm db $00,$00,$FF,$FF ; MUL and DT db $FF,$FF,$00,$7F ; TL db $1F,$1F,$1F,$1F ; AR and KS db $1F,$1F,$1F,$1F ; DR and AM db $1F,$1F,$1F,$1F ; SR db $0F,$0F,$0F,$0F ; RR and SL db $00,$00,$00,$00 ; SSG-EG