216 lines
6.3 KiB
NASM
216 lines
6.3 KiB
NASM
;--------------------------------------------------------------------------------
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PreOverworld_LoadProperties_ChooseMusic:
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; A: scratch space (value never used)
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; Y: set to overworld animated tileset
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; X: set to music track/command id
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JSL.l FixFrogSmith ; Just a convenient spot to install this hook
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LDY.b #$58 ; death mountain animated tileset.
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LDA $8A : ORA #$40 ; check both light and dark world DM at the same time
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CMP.b #$43 : BEQ +
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CMP.b #$45 : BEQ +
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CMP.b #$47 : BEQ +
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LDY.b #$5A ; Main overworld animated tileset
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; if we are in the light world go ahead and set chosen selection
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;LDA $7EF3CA : BEQ .checkInverted+4
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+ JSL Overworld_DetermineMusic
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.lastCheck
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LDA $0132 : CMP.b #$F2 : BNE +
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CPX $0130 : BNE +
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; If the last played command ($0132) was half volume (#$F2)
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; and the actual song playing ($0130) is same as the one for this area (X)
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; then play the full volume command (#F3) instead of restarting the song
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LDX.b #$F3
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+
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JML.l PreOverworld_LoadProperties_SetSong
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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Overworld_FinishMirrorWarp:
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REP #$20
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LDA.w #$2641 : STA $4370
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LDX.b #$3E
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LDA.w #$FF00
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.clear_hdma_table
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STA $1B00, X : STA $1B40, X
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STA $1B80, X : STA $1BC0, X
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STA $1C00, X : STA $1C40, X
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STA $1C80, X
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DEX #2 : BPL .clear_hdma_table
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LDA.w #$0000 : STA $7EC007 : STA $7EC009
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SEP #$20
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JSL $00D7C8 ; $57C8 IN ROM
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LDA.b #$80 : STA $9B
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JSL Overworld_DetermineAmbientSFX
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JSL Overworld_DetermineMusic
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.done
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STX $012C
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LDA $11 : STA $010C
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STZ $11
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STZ $B0
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STZ $0200
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STZ $0710
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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BirdTravel_LoadTargetAreaMusic:
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JSL Overworld_DetermineAmbientSFX
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JSL Overworld_DetermineMusic
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STZ $04C8 ; Clear peg puzzle count
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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;X to be set to music track to load
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Overworld_DetermineMusic:
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LDA $7EF3C5 : CMP.b #$02 : !BGE +
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LDX.b #$03 ; If phase < 2, play the rain music
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BRA .done
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+ LDA $8A : CMP.b #$43 : BEQ .darkMountain
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CMP.b #$45 : BEQ .darkMountain
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CMP.b #$47 : BEQ .darkMountain
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LDX.b #$02 ; hyrule field theme
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LDA $7EF3CA : BEQ +
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LDX.b #$09 ; default dark world theme
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; Check if we're entering the village
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+ LDA $8A : CMP.b #$18 : BNE +
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; Check what phase we're in
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; LDA $7EF3C5 : CMP.b #$03 : !BGE .bunny
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LDX.b #$07 ; Default village theme (phase <3)
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BRA .bunny
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; Check if we're entering the lost woods
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+ CMP.b #$00 : BNE +
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LDA $7EF300 : AND.b #$40 : BNE .bunny
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LDX.b #$05 ; lost woods theme
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BRA .bunny
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+ LDA $8A : CMP.b #$40 : BNE +
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LDX #$0F ; dark woods theme
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BRA .bunny
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.darkMountain
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LDX.b #$0D ; dark mountain theme
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.bunny
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; if not inverted and light world, or inverted and dark world, skip moon pearl check
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LDA $7EF3CA : CLC : ROL #$03 : CMP InvertedMode : BEQ .done
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LDA $7EF357 : BNE .done
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LDX #$04 ; bunny theme
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.done
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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;$012D to be set to any ambient SFX for the area
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Overworld_DetermineAmbientSFX:
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LDA $7EF3C5 : CMP.b #$02 : !BGE +
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BRA .done ; rain state sfx handled elsewhere
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+ LDA $8A : CMP.b #$43 : BEQ .darkMountain
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CMP.b #$45 : BEQ .darkMountain
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CMP.b #$47 : BEQ .darkMountain
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CMP.b #$70 : BEQ .mire
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LDA.b #$05 : BRA .setSfx ; silence
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.mire
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LDA $7EF2F0 : AND.b #$20 : BNE .done
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LDA.b #$01 : BRA .setSfx ; Misery Mire rain SFX
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.darkMountain
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LDA.b #$09 : BRA .setSfx ; set storm ambient SFX
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.setSfx
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CMP $0131 : BEQ +
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STA $012D
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+ STZ $012D
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.done
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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;0 = Is Kakariko Overworld
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;1 = Not Kakariko Overworld
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PsychoSolder_MusicCheck:
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LDA $040A : CMP.b #$18 : BNE .done ; thing we overwrote - check if overworld location is Kakariko
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LDA $1B ; Also check that we are outdoors
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.done
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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; Additional dark world checks to determine whether or not to fade out music
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; on mosaic transitions
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;
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; On entry, A = $8A (overworld area being loaded)
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Overworld_MosaicDarkWorldChecks:
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CMP.b #$40 : beq .checkCrystals
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CMP.b #$42 : beq .checkCrystals
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CMP.b #$50 : beq .checkCrystals
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CMP.b #$51 : bne .doFade
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.checkCrystals
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LDA $7EF37A : CMP.b #$7F : BEQ .done
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.doFade
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LDA.b #$F1 : STA $012C ; thing we wrote over, fade out music
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.done
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RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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; This is the where the music can change due to an UW transition
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;
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; On entry, A=16bit XY=8bit, A & X safe to mod, Y unknown
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Underworld_DoorDown_Entry:
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LDX #$FF ; some junk value to be used later to determine if the below lines will change the track
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LDA.l $7EF3C5 : AND.w #$00FF : CMP.w #2 : !BLT .vanilla
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LDA.l DRMode : BNE .done
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.vanilla ; thing we wrote over
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LDA $A0 : CMP.w #$0012 : BNE +
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LDX.b #$14 ; value for Sanc music
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BRA .done
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+ LDA $A2 : CMP.w #$0012 : BNE .done
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LDX.b #$10 ; value for Hyrule Castle music
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.done
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LDA $A0 : RTL
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;--------------------------------------------------------------------------------
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;--------------------------------------------------------------------------------
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; Check if the boss in ToH has been defeated (16-bit accumulator)
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CheckHeraBossDefeated:
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LDA $7EF00F : AND #$00FF
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RTL
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;--------------------------------------------------------------------------------
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