mirror of
https://github.com/pret/pokegold-spaceworld.git
synced 2026-09-30 14:15:27 -04:00
ISSOtm
160 lines
2.4 KiB
NASM
160 lines
2.4 KiB
NASM
_DisableAudio:: ; 3a:4000
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push hl
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push de
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push bc
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push af
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ld hl, rNR50
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xor a
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ld [hli], a
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ld [hli], a
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ld a, $80
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ld [hli], a
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ld hl, rNR10
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ld e, 4
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.init_channel
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xor a
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ld [hli], a
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ld [hli], a
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ld a, 8
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ld [hli], a
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xor a
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ld [hli], a
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ld a, $80
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ld [hli], a
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dec e
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jr nz, .init_channel
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ld hl, wMusic
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ld de, wMusicInitEnd - wMusic
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.clear
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xor a
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ld [hli], a
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dec de
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ld a, d
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or e
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jr nz, .clear
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ld a, $77
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ld [wVolume], a
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pop af
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pop bc
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pop de
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pop hl
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ret
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_UpdateSound:: ; 3a:4037
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xor a
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; So, I'm being told I need to disassemble this...
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; OH HELL NO
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; ... TODO :/
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SECTION "Audio engine, part 2", ROMX[$4CEE],BANK[$3A] ; TODO: disassemble what's above (gulp) and remove this
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SetGlobalTempo: ; 3a:4cee
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push bc
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ld a, [wCurChannel]
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cp CHAN5
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jr nc, .sfxchannels
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ld bc, wChannel1
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call Tempo
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ld bc, wChannel2
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call Tempo
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ld bc, wChannel3
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call Tempo
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ld bc, wChannel4
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call Tempo
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jr .end
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.sfxchannels
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ld bc, wChannel5
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call Tempo
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ld bc, wChannel6
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call Tempo
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ld bc, wChannel7
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call Tempo
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ld bc, wChannel8
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call Tempo
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.end
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pop bc
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ret
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Tempo: ; 3a:4d2a
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ld hl, wChannel1Tempo - wChannel1
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add hl, bc
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ld [hl], e
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inc hl
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ld [hl], d
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xor a
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ld hl, wChannel1Field16 - wChannel1
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add hl, bc
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ld [hl], a
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ret
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StartChannel: ; 3a:4d38
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call SetLRTracks
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ld hl, wChannel1Flags - wChannel1
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add hl, bc
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set SOUND_CHANNEL_ON, [hl]
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ret
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StopChannel: ; 3a:4d42
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ld hl, wChannel1Flags - wChannel1
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add hl, bc
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res SOUND_CHANNEL_ON, [hl]
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ld hl, wChannel1MusicID - wChannel1
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add hl, bc
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xor a
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ld [hli], a
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ld [hli], a
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ld [hli], a
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ret
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SetLRTracks: ; 3a:4d51
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push de
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ld a, [wCurChannel]
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maskbits NUM_MUSIC_CHANS
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ld e, a
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ld d, 0
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ld hl, 52B3 ; FIXME
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add hl, de
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ld a, [hl]
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ld hl, wChannel1Tracks - wChannel1
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add hl, bc
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ld [hl], a
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pop de
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ret
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_PlayMusic:: ; 3a:4d66
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ld hl, wMusicID
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ld [hl], e
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inc hl
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ld [hl], d
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ld hl, Music
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add hl, de
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add hl, de
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add hl, de
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ld a, [hli]
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ld [wMusicBank], a
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ld e, [hl]
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inc hl
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ld d, [hl]
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call LoadMusicByte
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rlca
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rlca
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maskbits NUM_MUSIC_CHANS
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inc a
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.loop
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push af
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call LoadChannel
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call StartChannel
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