ref: a7631774b41b7f87826668724bd6cc0951b64a48
parent: 99b86cdd8f2951cd540bf3563b7559e036e2c715
author: padz <yenatch@github.com>
date: Mon Oct 8 22:32:05 EDT 2012
start work on audio engine
--- a/constants.asm
+++ b/constants.asm
@@ -3005,4 +3005,109 @@
; name length
PLAYER_NAME_LENGTH EQU 8
-PKMN_NAME_LENGTH EQU 11
\ No newline at end of file
+PKMN_NAME_LENGTH EQU 11
+
+; music
+MUSIC_NONE EQU 0
+MUSIC_TITLE EQU 1
+MUSIC_ROUTE_1 EQU 2
+MUSIC_ROUTE_3 EQU 3
+MUSIC_ROUTE_12 EQU 4
+MUSIC_MAGNET_TRAIN EQU 5
+MUSIC_KANTO_GYM_LEADER_BATTLE EQU 6
+MUSIC_KANTO_TRAINER_BATTLE EQU 7
+MUSIC_KANTO_WILD_BATTLE EQU 8
+MUSIC_POKEMON_CENTER EQU 9
+MUSIC_HIKER_ENCOUNTER EQU 10
+MUSIC_LASS_ENCOUNTER EQU 11
+MUSIC_OFFICER_ENCOUNTER EQU 12
+MUSIC_HEAL EQU 13
+MUSIC_LAVENDER_TOWN EQU 14
+MUSIC_ROUTE_2 EQU 15
+MUSIC_MT_MOON EQU 16
+MUSIC_SHOW_ME_AROUND EQU 17
+MUSIC_GAME_CORNER EQU 18
+MUSIC_BICYCLE EQU 19
+MUSIC_HALL_OF_FAME EQU 20
+MUSIC_VIRIDIAN_CITY EQU 21
+MUSIC_CELADON_CITY EQU 22
+MUSIC_TRAINER_VICTORY EQU 23
+MUSIC_WILD_VICTORY EQU 24
+MUSIC_GYM_VICTORY EQU 25
+MUSIC_MT_MOON_SQUARE EQU 26
+MUSIC_GYM EQU 27
+MUSIC_PALLET_TOWN EQU 28
+MUSIC_POKEMON_TALK EQU 29
+MUSIC_PROF_OAK EQU 30
+MUSIC_RIVAL_ENCOUNTER EQU 31
+MUSIC_RIVAL_AFTER EQU 32
+MUSIC_SURF EQU 33
+MUSIC_EVOLUTION EQU 34
+MUSIC_NATIONAL_PARK EQU 35
+MUSIC_CREDITS EQU 36
+MUSIC_AZALEA_TOWN EQU 37
+MUSIC_CHERRYGROVE_CITY EQU 38
+MUSIC_KIMONO_ENCOUNTER EQU 39
+MUSIC_UNION_CAVE EQU 40
+MUSIC_JOHTO_WILD_BATTLE EQU 41
+MUSIC_JOHTO_TRAINER_BATTLE EQU 42
+MUSIC_ROUTE_30 EQU 43
+MUSIC_ECRUTEAK_CITY EQU 44
+MUSIC_VIOLET_CITY EQU 45
+MUSIC_JOHTO_GYM_LEADER_BATTLE EQU 46
+MUSIC_CHAMPION_BATTLE EQU 47
+MUSIC_RIVAL_BATTLE EQU 48
+MUSIC_ROCKET_BATTLE EQU 49
+MUSIC_PROF_ELM EQU 50
+MUSIC_SLOWPOKE_WELL EQU 51
+MUSIC_ROUTE_29 EQU 52
+MUSIC_ROUTE_36 EQU 53
+MUSIC_SS_AQUA EQU 54
+MUSIC_YOUNGSTER_ENCOUNTER EQU 55
+MUSIC_BEAUTY_ENCOUNTER EQU 56
+MUSIC_ROCKET_ENCOUNTER EQU 57
+MUSIC_POKEMANIAC_ENCOUNTER EQU 58
+MUSIC_SAGE_ENCOUNTER EQU 59
+MUSIC_NEW_BARK_TOWN EQU 60
+MUSIC_GOLDENROD_CITY EQU 61
+MUSIC_VERMILION_CITY EQU 62
+MUSIC_POKEMON_CHANNEL EQU 63
+MUSIC_POKE_FLUTE_CHANNEL EQU 64
+MUSIC_TIN_TOWER EQU 65
+MUSIC_SPROUT_TOWER EQU 66
+MUSIC_BURNED_TOWER EQU 67
+MUSIC_LIGHTHOUSE EQU 68
+MUSIC_LAKE_OF_RAGE EQU 69
+MUSIC_INDIGO_PLATEAU EQU 70
+MUSIC_ROUTE_37 EQU 71
+MUSIC_ROCKET_HIDEOUT EQU 72
+MUSIC_DRAGONS_DEN EQU 73
+MUSIC_JOHTO_WILD_BATTLE_NIGHT EQU 74
+MUSIC_RUINS_OF_ALPH_RADIO EQU 75
+MUSIC_CAPTURE EQU 76
+MUSIC_ROUTE_26 EQU 77
+MUSIC_MOM EQU 78
+MUSIC_VICTORY_ROAD EQU 79
+MUSIC_POKEMON_LULLABY EQU 80
+MUSIC_POKEMON_MARCH EQU 81
+MUSIC_GS_OPENING EQU 82
+MUSIC_GS_OPENING_2 EQU 83
+MUSIC_MAIN_MENU EQU 84
+MUSIC_RUINS_OF_ALPH_INTERIOR EQU 85
+MUSIC_ROCKET_OVERTURE EQU 86
+MUSIC_DANCING_HALL EQU 87
+MUSIC_BUG_CATCHING_CONTEST_RANKING EQU 88
+MUSIC_BUG_CATCHING_CONTEST EQU 89
+MUSIC_LAKE_OF_RAGE_ROCKET_RADIO EQU 90
+MUSIC_PRINTER EQU 91
+MUSIC_POST_CREDITS EQU 92
+MUSIC_CLAIR EQU 93
+MUSIC_MOBILE_ADAPTER_MENU EQU 94
+MUSIC_MOBILE_ADAPTER EQU 95
+MUSIC_BUENAS_PASSWORD EQU 96
+MUSIC_MYSTICALMAN_ENCOUNTER EQU 97
+MUSIC_CRYSTAL_OPENING EQU 98
+MUSIC_BATTLE_TOWER_THEME EQU 99
+MUSIC_SUICUNE_BATTLE EQU 100
+MUSIC_BATTLE_TOWER_LOBBY EQU 101
+MUSIC_MOBILE_CENTER EQU 102
--- a/main.asm
+++ b/main.asm
@@ -1285,8 +1285,75 @@
jp AddNTimes
; 392d
-INCBIN "baserom.gbc",$392d,$4000 - $392d
+INCBIN "baserom.gbc",$392d,$3b86 - $392d
+LoadMusicHeader: ; 3b86
+; store music header in ram
+; input:
+; a: bank
+; de: address
+ ld [$ff00+$9d], a
+ ld [$2000], a ; bankswitch
+ ld a, [de]
+ ld [MusicHeaderBuffer], a
+ ld a, $3a ; manual bank restore
+ ld [$ff00+$9d], a
+ ld [$2000], a ; bankswitch
+ ret
+; 3b97
+
+StartMusic: ; 3b97
+; input:
+; e = song number
+ push hl
+ push de
+ push bc
+ push af
+ ld a, [$ff00+$9d] ; save bank
+ push af
+ ld a, BANK(LoadMusic)
+ ld [$ff00+$9d], a
+ ld [$2000], a ; bankswitch
+ ld a, e ; song number
+ and a
+ jr z, .nomusic
+ call LoadMusic
+ jr .end
+.nomusic
+ call SoundRestart
+.end
+ pop af
+ ld [$ff00+$9d], a ; restore bank
+ ld [$2000], a
+ pop af
+ pop bc
+ pop de
+ pop hl
+ ret
+; 3bbc
+
+INCBIN "baserom.gbc",$3bbc,$3c97 - $3bbc
+
+MaxVolume: ; 3c97
+ ld a, $77 ; max
+ ld [Volume], a
+ ret
+; 3c9d
+
+LowVolume: ; 3c9d
+ ld a, $33 ; 40%
+ ld [Volume], a
+ ret
+; 3ca3
+
+VolumeOff: ; 3ca3
+ xor a
+ ld [Volume], a
+ ret
+; 3ca8
+
+INCBIN "baserom.gbc",$3ca8,$4000 - $3ca8
+
SECTION "bank1",DATA,BANK[$1]
INCBIN "baserom.gbc",$4000,$617c - $4000
@@ -74217,7 +74284,488 @@
SECTION "bank3A",DATA,BANK[$3A]
-INCBIN "baserom.gbc",$E8000,$4000
+SoundRestart: ; e8000
+; restart sound operation
+; clear all relevant registers
+ push hl
+ push de
+ push bc
+ push af
+ call MusicOff
+ ld hl, $ff24 ; channel control registers
+ xor a
+ ld [hli], a ; ff24 ; volume/vin
+ ld [hli], a ; ff25 ; stereo channels
+ ld a, $80 ; all channels on
+ ld [hli], a ; ff26 ; mono channels
+
+ ld hl, $ff10 ; sound channel registers
+ ld e, $04 ; number of channels
+.clearsound
+; sound channel 1 2 3 4
+ xor a
+ ld [hli], a ; $ff10, $ff15, $ff1a, $ff1f ; sweep = 0
+
+ ld [hli], a ; $ff11, $ff16, $ff1b, $ff20 ; length/wavepattern = 0
+ ld a, $08
+ ld [hli], a ; $ff12, $ff17, $ff1c, $ff21 ; envelope = 0
+ xor a
+ ld [hli], a ; $ff13, $ff18, $ff1d, $ff22 ; frequency lo = 0
+ ld a, $80
+ ld [hli], a ; $ff14, $ff19, $ff1e, $ff23 ; restart sound (freq hi = 0)
+ dec e
+ jr nz, .clearsound
+
+ ld hl, $c101 ; start of channel data
+ ld de, $01bf ; length ($ * 8 channels)
+.clearchannels ; clear $c101-$c2bf
+ xor a
+ ld [hli], a
+ dec de
+ ld a, e
+ or d
+ jr nz, .clearchannels
+ ld a, $77 ; max
+ ld [Volume], a
+ call MusicOn
+ pop af
+ pop bc
+ pop de
+ pop hl
+ ret
+; e803d
+
+INCBIN "baserom.gbc",$e803d,$e8051 - $e803d
+
+MusicOn: ; e8051
+ ld a, $01
+ ld [$c100], a
+ ret
+; e8057
+
+MusicOff: ; e8057
+ xor a
+ ld [$c100], a
+ ret
+; e805c
+
+INCBIN "baserom.gbc",$e805c,$e8b11 - $e805c
+
+StartChannel: ; e8b11
+ call SetLRTracks
+ ld hl, $0003
+ add hl, bc
+ set 0, [hl] ; channel on
+ ret
+; e8b1b
+
+SetLRTracks: ; e8b1b
+; input:
+; bc = Channels ($c101)
+; seems to be redundant since this is overwritten by stereo data later
+ push de
+ ld a, [CurMusicChannel]
+ and a, $03 ; bit 0-1
+ ld e, a
+ ld d, $00
+ call GetLRTracks ; hl = mono / stereo table
+ add hl, de ; + channel #
+ ld a, [hl] ; get result
+ ld hl, Channel1LR - Channel1
+ add hl, bc
+ ld [hl], a ; set tracks
+ pop de
+ ret
+; e8b30
+
+LoadMusic: ; e8b30
+; load music
+ call MusicOff
+ ld hl, MusicID
+ ld [hl], e ; song number
+ inc hl
+ ld [hl], d ; MusicIDHi (always $00)
+ ld hl, Music
+ add hl, de ; three
+ add hl, de ; byte
+ add hl, de ; pointer
+ ld a, [hli]
+ ld [MusicBank], a
+ ld e, [hl]
+ inc hl
+ ld d, [hl] ; music header address
+ call GetByteFromMusicHeader ; store first byte of music header in [a]
+ rlca
+ rlca
+ and a, $03 ; get number of channels
+ inc a
+.loop
+; start playing channels
+ push af
+ call LoadChannel
+ call StartChannel
+ pop af
+ dec a
+ jr nz, .loop
+ xor a
+ ld [$c2b5], a
+ ld [$c2b8], a
+ ld [$c2b9], a
+ ld [$c2ba], a
+ ld [$c2bb], a
+ ld [$c2a0], a
+ ld [$c2a1], a
+ ld [$c2a2], a
+ ld [$c2a4], a
+ call MusicOn
+ ret
+; e8b79
+
+INCBIN "baserom.gbc",$e8b79,$e8d1b - $e8b79
+
+LoadChannel: ; e8d1b
+; prep channel for use
+ ; get pointer to current channel
+ call GetByteFromMusicHeader
+ inc de
+ and a, $07 ; bit 0-2 (current channel)
+ ld [CurMusicChannel], a
+ ld c, a
+ ld b, $00
+ ld hl, ChannelPointers
+ add hl, bc
+ add hl, bc
+ ld c, [hl]
+ inc hl
+ ld b, [hl] ; bc = channel pointer
+ ld hl, $0003
+ add hl, bc
+ res 0, [hl] ; channel off
+ call ChannelInit
+ ; load music pointer
+ ld hl, Channel1MusicAddress - Channel1
+ add hl, bc
+ call GetByteFromMusicHeader
+ ld [hli], a
+ inc de
+ call GetByteFromMusicHeader
+ ld [hl], a
+ inc de
+ ; load music id
+ ld hl, Channel1MusicID - Channel1
+ add hl, bc
+ ld a, [MusicIDLo]
+ ld [hli], a
+ ld a, [MusicIDHi]
+ ld [hl], a
+ ; load music bank
+ ld hl, Channel1MusicBank - Channel1
+ add hl, bc
+ ld a, [MusicBank]
+ ld [hl], a
+ ret
+; e8d5b
+
+ChannelInit: ; e8d5b
+; make sure channel is clean
+; set default tempo and note length in case nothing is loaded
+; input:
+; bc = channel struct pointer
+ push de
+ xor a
+ ld hl, $0000
+ add hl, bc
+ ld e, $32 ; channel struct length
+; clear channel struct
+.loop
+ ld [hli], a
+ dec e
+ jr nz, .loop
+ ld hl, $0019 ; note length
+ add hl, bc
+ xor a
+ ld [hli], a
+ inc a
+ ld [hl], a ; default note length $100
+ ld hl, $002d ; tempo
+ add hl, bc
+ ld [hl], a ; default tempo $01 (fast)
+ pop de
+ ret
+; e8d76
+
+GetByteFromMusicHeader: ; e8d76
+; input:
+; de = address of current spot in music header
+; output:
+; a
+ ld a, [MusicBank]
+ call LoadMusicHeader
+ ld a, [MusicHeaderBuffer]
+ ret
+; e8d80
+
+INCBIN "baserom.gbc",$e8d80,$e8fc2 - $e8d80
+
+GetLRTracks: ; e8fc2
+; gets the default sound l/r channels
+; stores mono/stereo table in hl
+ ld a, [Options]
+ bit 5, a ; stereo
+ ; made redundant, could have had a purpose in gold
+ jr nz, .stereo
+ ld hl, MonoTracks
+ ret
+.stereo
+ ld hl, StereoTracks
+ ret
+; e8fd1
+
+MonoTracks: ; e8fd1
+; bit corresponds to track #
+; top nybble: right channel
+; bottom nybble: left channel
+ db $11, $22, $44, $88
+; e8fd5
+
+StereoTracks: ; e8fd5
+; seems to be wrong
+; figure out what this is actually for
+; might be default then clears one nybble based on song id
+ db $11, $22, $44, $88
+; e8fd9
+
+ChannelPointers: ; e8fd9
+; mono channels
+ dw Channel1
+ dw Channel2
+ dw Channel3
+ dw Channel4
+; stereo channels
+ dw Channel5
+ dw Channel6
+ dw Channel7
+ dw Channel8
+; e8fe9
+
+; identical in function to SoundRestart but cleaner
+INCBIN "baserom.gbc",$e8fe9,$e900a - $e8fe9
+
+PlayTrainerEncounterMusic: ; e900a
+; input: e = trainer type
+ ; turn music off for one frame
+ xor a
+ ld [MusicLength], a ; $00 = infinite
+ push de
+ ld de, $0000
+ call StartMusic
+ call DelayFrame
+ ; play new song
+ call MaxVolume
+ pop de
+ ld d, $00
+ ld hl, TrainerEncounterMusic
+ add hl, de
+ ld e, [hl]
+ call StartMusic
+ ret
+; e9027
+
+TrainerEncounterMusic: ; e9027
+ db MUSIC_HIKER_ENCOUNTER
+ db MUSIC_YOUNGSTER_ENCOUNTER ; falkner
+ db MUSIC_LASS_ENCOUNTER ; whitney
+ db MUSIC_YOUNGSTER_ENCOUNTER ; bugsy
+ db MUSIC_OFFICER_ENCOUNTER ; morty
+ db MUSIC_OFFICER_ENCOUNTER ; pryce
+ db MUSIC_LASS_ENCOUNTER ; jasmine
+ db MUSIC_OFFICER_ENCOUNTER ; chuck
+ db MUSIC_BEAUTY_ENCOUNTER ; clair
+ db MUSIC_RIVAL_ENCOUNTER ; rival1
+ db MUSIC_HIKER_ENCOUNTER ; pokemon_prof
+ db MUSIC_HIKER_ENCOUNTER ; will
+ db MUSIC_HIKER_ENCOUNTER ; cal
+ db MUSIC_OFFICER_ENCOUNTER ; bruno
+ db MUSIC_HIKER_ENCOUNTER ; karen
+ db MUSIC_HIKER_ENCOUNTER ; koga
+ db MUSIC_OFFICER_ENCOUNTER ; champion
+ db MUSIC_YOUNGSTER_ENCOUNTER ; brock
+ db MUSIC_LASS_ENCOUNTER ; misty
+ db MUSIC_OFFICER_ENCOUNTER ; lt_surge
+ db MUSIC_ROCKET_ENCOUNTER ; scientist
+ db MUSIC_OFFICER_ENCOUNTER ; erika
+ db MUSIC_YOUNGSTER_ENCOUNTER ; youngster
+ db MUSIC_YOUNGSTER_ENCOUNTER ; schoolboy
+ db MUSIC_YOUNGSTER_ENCOUNTER ; bird_keeper
+ db MUSIC_LASS_ENCOUNTER ; lass
+ db MUSIC_LASS_ENCOUNTER ; janine
+ db MUSIC_HIKER_ENCOUNTER ; cooltrainerm
+ db MUSIC_BEAUTY_ENCOUNTER ; cooltrainerf
+ db MUSIC_BEAUTY_ENCOUNTER ; beauty
+ db MUSIC_POKEMANIAC_ENCOUNTER ; pokemaniac
+ db MUSIC_ROCKET_ENCOUNTER ; gruntm
+ db MUSIC_HIKER_ENCOUNTER ; gentleman
+ db MUSIC_BEAUTY_ENCOUNTER ; skier
+ db MUSIC_BEAUTY_ENCOUNTER ; teacher
+ db MUSIC_BEAUTY_ENCOUNTER ; sabrina
+ db MUSIC_YOUNGSTER_ENCOUNTER ; bug_catcher
+ db MUSIC_HIKER_ENCOUNTER ; fisher
+ db MUSIC_HIKER_ENCOUNTER ; swimmerm
+ db MUSIC_BEAUTY_ENCOUNTER ; swimmerf
+ db MUSIC_HIKER_ENCOUNTER ; sailor
+ db MUSIC_POKEMANIAC_ENCOUNTER ; super_nerd
+ db MUSIC_RIVAL_ENCOUNTER ; rival2
+ db MUSIC_HIKER_ENCOUNTER ; guitarist
+ db MUSIC_HIKER_ENCOUNTER ; hiker
+ db MUSIC_HIKER_ENCOUNTER ; biker
+ db MUSIC_OFFICER_ENCOUNTER ; blaine
+ db MUSIC_POKEMANIAC_ENCOUNTER ; burglar
+ db MUSIC_HIKER_ENCOUNTER ; firebreather
+ db MUSIC_POKEMANIAC_ENCOUNTER ; juggler
+ db MUSIC_HIKER_ENCOUNTER ; blackbelt_t
+ db MUSIC_ROCKET_ENCOUNTER ; executivem
+ db MUSIC_YOUNGSTER_ENCOUNTER ; psychic_t
+ db MUSIC_LASS_ENCOUNTER ; picnicker
+ db MUSIC_YOUNGSTER_ENCOUNTER ; camper
+ db MUSIC_ROCKET_ENCOUNTER ; executivef
+ db MUSIC_SAGE_ENCOUNTER ; sage
+ db MUSIC_SAGE_ENCOUNTER ; medium
+ db MUSIC_HIKER_ENCOUNTER ; boarder
+ db MUSIC_HIKER_ENCOUNTER ; pokefanm
+ db MUSIC_KIMONO_ENCOUNTER ; kimono_girl
+ db MUSIC_LASS_ENCOUNTER ; twins
+ db MUSIC_BEAUTY_ENCOUNTER ; pokefanf
+ db MUSIC_HIKER_ENCOUNTER ; red
+ db MUSIC_RIVAL_ENCOUNTER ; blue
+ db MUSIC_HIKER_ENCOUNTER ; officer
+ db MUSIC_ROCKET_ENCOUNTER ; gruntf
+ db MUSIC_HIKER_ENCOUNTER ; mysticalman
+ db MUSIC_HIKER_ENCOUNTER
+ db MUSIC_HIKER_ENCOUNTER
+ db MUSIC_HIKER_ENCOUNTER
+; e906e
+
+Music: ; e906e
+; bank, address
+ dbw BANK(NoMusic), NoMusic
+ dbw $3a, $7808
+ dbw $3b, $4000
+ dbw $3b, $42ca
+ dbw $3b, $4506
+ dbw $3b, $75f0
+ dbw $3b, $4720
+ dbw $3b, $49fa
+ dbw $3b, $506d
+ dbw $3b, $55c6
+ dbw $3d, $7411
+ dbw $3b, $579b
+ dbw $3b, $582d
+ dbw $3c, $4697
+ dbw $3b, $772f
+ dbw $3b, $58dd
+ dbw $3b, $5b29
+ dbw $3b, $5bd8
+ dbw $3b, $5d6d
+ dbw $3b, $6119
+ dbw $3c, $45bf
+ dbw $3d, $4000
+ dbw $3d, $435b
+ dbw $3a, $7eab
+ dbw $3d, $4518
+ dbw $3d, $462c
+ dbw $3d, $4815
+ dbw $3d, $48ae
+ dbw $3d, $4b0c
+ dbw $3d, $4c9f
+ dbw $3d, $4dea
+ dbw $3d, $4f79
+ dbw $3d, $5127
+ dbw $3d, $518a
+ dbw $3c, $46e1
+ dbw $3d, $54e8
+ dbw $07, $731c
+ dbw $3d, $57e8
+ dbw $3d, $5b03
+ dbw $3d, $79b8
+ dbw $3d, $5c60
+ dbw $3d, $5dc5
+ dbw $3d, $6096
+ dbw $3b, $7c01
+ dbw $3b, $72d0
+ dbw $3c, $4000
+ dbw $3a, $650d
+ dbw $3a, $69c1
+ dbw $3a, $574f
+ dbw $3a, $5b6f
+ dbw $3a, $6040
+ dbw $3a, $62be
+ dbw $3c, $4386
+ dbw $3a, $54e9
+ dbw $3a, $6d99
+ dbw $3d, $66c3
+ dbw $3b, $6e3e
+ dbw $3d, $74a2
+ dbw $3a, $7de1
+ dbw $3b, $635e
+ dbw $3a, $72d3
+ dbw $3a, $7453
+ dbw $3a, $7676
+ dbw $3b, $645f
+ dbw $3d, $7b13
+ dbw $3d, $6811
+ dbw $3d, $6974
+ dbw $3d, $6a99
+ dbw $3b, $6569
+ dbw $3b, $66c5
+ dbw $3b, $6852
+ dbw $3b, $694b
+ dbw $3b, $6b75
+ dbw $3b, $6ce8
+ dbw $3d, $605c
+ dbw $3b, $6dcb
+ dbw $3d, $4602
+ dbw $3b, $6fb2
+ dbw $3d, $6bf2
+ dbw $3d, $6c72
+ dbw $3d, $6d79
+ dbw $3d, $6e23
+ dbw $3d, $7055
+ dbw $3d, $7308
+ dbw $3d, $78fd
+ dbw $3a, $7d9e
+ dbw $3d, $766d
+ dbw $3b, $79bc
+ dbw $3b, $7b3e
+ dbw $3d, $7c16
+ dbw $3b, $75b1
+ dbw $3c, $47fd
+ dbw $33, $7d9e
+ dbw $07, $7a8d
+ dbw $5e, $401f
+ dbw $07, $7c87
+ dbw $5e, $4153
+ dbw $5e, $443b
+ dbw $5e, $46e8
+ dbw $5e, $4889
+ dbw $5e, $4b81
+ dbw $5e, $548b
+ dbw $5e, $561d
+; e91a3
+
+NoMusic: ; e91a3
+; (nothing)
+ dbw $c0, NoMusic_Ch0
+ dbw $01, NoMusic_Ch1
+ dbw $02, NoMusic_Ch2
+ dbw $03, NoMusic_Ch3
+NoMusic_Ch0:
+NoMusic_Ch1:
+NoMusic_Ch2:
+NoMusic_Ch3: ; e91af
+ db $ff ; end
+; e91b0
+
+INCBIN "baserom.gbc",$e91b0,$ec000-$e91b0
SECTION "bank3B",DATA,BANK[$3B]
--- a/wram.asm
+++ b/wram.asm
@@ -1,3 +1,87 @@
+SECTION "audio",BSS[$c100]
+; channel structure:
+; $00: music id lo
+; $01: music id hi
+;
+; $03: channel flags? bit 0 = on/off
+;
+; $06: address of music data
+;
+; $19: note length lo
+; $1a: note length hi
+; $1b: lr tracks (bit corresponds to track #)
+;
+; $2d: tempo
+
+Channels:
+Channel1:
+Channel1MusicID: ; c101
+ ds 2
+Channel1MusicBank: ; c103
+ ds 1
+; $03 = channel flags?
+ ds 1
+; note/octave????
+ ds 2
+Channel1MusicAddress: ; c107
+ ds 2
+ ds 17
+Channel1NoteLength: ; c11a
+ ds 2
+Channel1LR: ; c11c
+ ds 1
+ ds 16
+Channel1Tempo: ; c12e
+ ds 1
+ ds 3
+
+Channel2: ; c133
+ ds 50
+Channel3: ; c165
+ ds 50
+Channel4: ; c197
+ ds 50
+
+StereoChannels:
+Channel5: ; c1c9
+ ds 50
+Channel6: ; c1fb
+ ds 50
+Channel7: ; c22d
+ ds 50
+Channel8: ; c25f
+ ds 50
+
+
+MusicHeaderBuffer: ; c298
+ ds 1
+CurMusicChannel: ; c299
+ ds 1
+
+Volume: ; c29a
+; corresponds to $ff24
+; Channel control / ON-OFF / Volume (R/W)
+; bit 7 - Vin->SO2 ON/OFF
+; bit 6-4 - SO2 output level (volume) (# 0-7)
+; bit 3 - Vin->SO1 ON/OFF
+; bit 2-0 - SO1 output level (volume) (# 0-7)
+ ds 1
+
+MusicID:
+MusicIDLo: ; c29d
+ ds 1
+MusicIDHi: ; c29e
+ ds 1
+
+MusicBank: ; c29f
+ ds 1
+
+MusicLength: ; c2a7
+; fades out when counter hits this value
+; $00 = infinite
+ ds 1
+
+
SECTION "linkbattle",BSS[$c2dc]
InLinkBattle: ; 0xc2dc
@@ -62,6 +146,48 @@
ds 2
BattleMonSpclDef: ; c648
ds 2
+
+SECTION "Engine",BSS[$cfcc]
+Options: ; cfcc
+; bit 0-2: number of frames to delay when printing text
+; fast 1; mid 3; slow 5
+; bit 3-4: unused
+; bit 5: stereo off/on
+; bit 6: battle style shift/set
+; bit 7: battle scene off/on
+ ds 1
+
+TextBoxFrame: ; cfce
+; bits 0-2: textbox frame 0-7
+ ds 1
+
+GBPrinter: ; cfd0
+; bit 0-6: brightness
+; lightest: $00
+; lighter: $20
+; normal: $40 (default)
+; darker: $60
+; darkest: $7F
+ ds 1
+
+Options2: ; cfd1
+; bit 1: menu account off/on
+ ds 1
+
+
+VramState: ; d0ed
+; bit 0: overworld sprite updating on/off
+; bit 6: something to do with text
+; bit 7: on when surf initiates
+; flickers when climbing waterfall
+ ds 1
+
+
+CurPartyMon: ; d109
+; contains which monster in your party
+; is being dealt with at the moment
+; 0-5
+ ds 1
SECTION "EnemyMon",BSS[$d204]
--
⑨