428 lines
8.3 KiB
NASM
428 lines
8.3 KiB
NASM
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; =========================================================
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; Macros
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macro PlayerTransform()
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LDY.b #$04 : LDA.b #$23
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JSL AddTransformationCloud
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LDA.b #$14 : JSR Player_DoSfx2
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endmacro
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macro ResetToLinkGraphics()
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STZ !CurrentMask
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JSL Palette_ArmorAndGloves
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LDA.b #$10 : STA !LinkGraphics
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endmacro
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macro CheckNewR_ButtonPress()
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LDA.b $F6 : BIT.b #$10
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endmacro
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; org $02A560
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; JSL ForceResetWorldMap
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; GameOver_DelayBeforeIris
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org $09F347
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JSL ForceResetMask_GameOver
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; Module17_SaveAndQuit
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org $09F7B5
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JSL ForceResetMask_SaveAndQuit
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; =========================================================
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; Change Link's sprite by setting $BC to the bank containing a spritesheet.
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; =========================================================
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org $008827
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JSL StartupMasks
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; Link Sprite hook before game starts
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org $008A01
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LDA $BC
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; =========================================================
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; Change Link's palette based on $02B2 (mask value)
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; =========================================================
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org $1BEDF9
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JSL Palette_ArmorAndGloves ; 4bytes
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RTL ; 1byte
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NOP #$01
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org $1BEE1B
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JSL Palette_ArmorAndGloves_part_two
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RTL
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; =========================================================
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; EXPANDED SPACE
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; =========================================================
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org $3A8000
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StartupMasks:
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{
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; from vanilla:
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; bring the screen into force blank after NMI
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LDA.b #$80 : STA $13
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; set links sprite bank
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LDA #$10 : STA $BC
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RTL
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}
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ForceResetWorldMap:
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{
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LDA $7EF280 : BNE .openMap
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PLA : PLA : PLA ; Pop the RTL
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JML $02A571 ; check select button
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.openMap
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LDA $02B2 : BEQ .still_link
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LDY.b #$04 : LDA.b #$23
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JSL AddTransformationCloud
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%ResetToLinkGraphics()
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.still_link
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STZ.w $0200
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LDA #$07
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RTL
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}
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ForceResetMask_GameOver:
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{
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LDA $02B2 : BEQ .still_link
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%ResetToLinkGraphics()
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.still_link
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LDA.b #$30
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STA.b $98
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RTL
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}
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ForceResetMask_SaveAndQuit:
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{
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LDA $02B2 : BEQ .still_link
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%ResetToLinkGraphics()
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.still_link
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LDA.b #$0F
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STA.b $95
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RTL
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}
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; =========================================================
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Palette_ArmorAndGloves:
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{
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LDA $02B2 : CMP #$01 : BEQ .deku_mask
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CMP.b #$02 : BEQ .zora_mask
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CMP.b #$03 : BEQ .wolf_mask
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CMP.b #$04 : BEQ .bunny_hood
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CMP.b #$05 : BEQ .minish_form
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JMP .original_sprite
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.deku_mask
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; Load Deku Mask Location
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LDA.b #$35 : STA $BC
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JSL UpdateDekuPalette
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RTL
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.zora_mask
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; Load Zora Mask Location
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LDA.b #$36 : STA $BC : JMP .original_palette
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.wolf_mask
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; Load Wolf Mask Location
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LDA.b #$38 : STA $BC : JSL $38F000
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RTL
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.bunny_hood
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; Load Bunny Hood Location
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LDA.b #$37 : STA $BC : JSL $37F000
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RTL
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.minish_form
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; Load Minish Form Location
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LDA.b #$39 : STA $BC : JMP .original_palette
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; RTL
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.original_sprite
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; Load Original Sprite Location
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LDA.b #$10 : STA $BC
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.original_palette
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REP #$21
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LDA $7EF35B ; Link's armor value
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JSL $1BEDFF ; Read Original Palette Code
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RTL
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.part_two
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SEP #$30
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REP #$30
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LDA.w #$0000 ; Ignore glove color modifier $7EF354
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JSL $1BEE21 ; Read Original Palette Code
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RTL
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PHX : PHY : PHA
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; Load armor palette
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PHB : PHK : PLB
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REP #$20
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; Check what Link's armor value is.
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LDA $7EF35B : AND.w #$00FF : TAX
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LDA $1BEC06, X : AND.w #$00FF : ASL A : ADC.w #$F000 : STA $00
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REP #$10
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LDA.w #$01E2 ; Target SP-7 (sprite palette 6)
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LDX.w #$000E ; Palette has 15 colors
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TXY : TAX
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LDA.b $BC : AND #$00FF : STA $02
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.loop
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LDA [$00] : STA $7EC300, X : STA $7EC500, X
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INC $00 : INC $00
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INX #2
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DEY : BPL .loop
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SEP #$30
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PLB
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INC $15
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PLA : PLY : PLX
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RTL
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}
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; =========================================================
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; Overworld Palette Persist
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; =========================================================
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Overworld_CgramAuxToMain_Override:
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{
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; Copies the auxiliary CGRAM buffer to the main one
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; Causes NMI to reupload the palette.
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REP #$20
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LDX.b #$00
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.loop
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LDA $7EC300, X : STA $7EC500, X
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LDA $7EC340, X : STA $7EC540, X
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LDA $7EC380, X : STA $7EC580, X
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LDA $7EC3C0, X : STA $7EC5C0, X
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LDA $7EC400, X : STA $7EC600, X
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LDA $7EC440, X : STA $7EC640, X
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LDA $7EC480, X : STA $7EC680, X
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LDA $02B2 : BNE .has_mask_palette
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LDA $7EC4C0, X : STA $7EC6C0, X
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.has_mask_palette
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INX #2 : CPX.b #$40 : BNE .loop
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SEP #$20
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; tell NMI to upload new CGRAM data
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INC $15
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RTL
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}
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pushpc
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; =========================================================
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org $02C769
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Overworld_CgramAuxToMain:
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{
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JSL Overworld_CgramAuxToMain_Override
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RTS
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}
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; =========================================================
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; Change which mask forms have access to the sword.
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; =========================================================
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; Link_CheckForSwordSwing
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org $079CD9
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JSL LinkItem_CheckForSwordSwing_Masks
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; =========================================================
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pullpc
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LinkItem_CheckForSwordSwing_Masks:
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{
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LDA $02B2 : BEQ .return
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CMP.b #$02 : BEQ .return ; zora mask can use sword
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CMP.b #$06 : BEQ .return
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LDA #$01
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RTL
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.return
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LDA $3B : AND.b #$10 ; Restore Link_CheckForSwordSwing
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RTL
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}
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; Modifies the value of the Y register before it indexes the table
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; LinkOAM_AnimationStepDataOffsets
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; This is used to change the animation during 0x0A (Using Quake Medallion)
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DekuLink_SpinOrRecoil:
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{
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TAY
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LDA $70 : BEQ .spin
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TYA
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LDY.b #$05 ; Recoil
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JML $0DA435 ;JML $0DA40B
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.spin
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TYA
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LDY.b #$1B ; Spin and die
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JML $0DA40B
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}
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pushpc
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; Spin and die, LinkOAM_AnimationStepDataOffsets
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org $0DA3FD
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JML DekuLink_SpinOrRecoil
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pullpc
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; Based on LinkItem_Quake.allow_quake
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PrepareQuakeSpell:
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{
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; Ancilla setup stuff, not necessary
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; #_07A680: LDA.w $0C4A
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; #_07A683: ORA.w $0C4B
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; #_07A686: ORA.w $0C4C
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; This would set link to strafe mode
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; Probably not necessary
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; #_07A696: LDA.b #$01
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; #_07A698: TSB.b $50
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; TODO: Set a check for the Deku Flower sprite before activating this ability.
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LDA.b #$0A : STA $5D
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#_07A69A: LDA #$00
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#_07A69D: STA.b $3D
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#_07A69F: LDA #$00
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#_07A6A2: STA.w $031C
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#_07A6A5: STZ.w $031D
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#_07A6A8: STZ.w $0324
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#_07A6AB: STZ.b $46
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; Set the spin and jump animation values.
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#_07A6AD: LDA.b #$28
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#_07A6AF: STA.w $0362
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#_07A6B2: STA.w $0363
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#_07A6B5: STZ.w $0364
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STZ $70
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RTL
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}
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DekuLink_HoverBasedOnInput:
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{
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JSL $07E6A6
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LDA $5C : AND #$1F : BNE .continue_me
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DEC $24
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.continue_me
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LDA $5C : BEQ .auto_cancel
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LDA $F0 : AND #$08 : BEQ .not_up
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LDA $20 : CLC : ADC #-1 : STA $20
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LDA #$01 : STA $031C
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LDA #$05 : STA $3D
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STZ $2F
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.not_up
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LDA $F0 : AND #$04 : BEQ .not_down
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LDA $20 : CLC : ADC #1 : STA $20
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LDA #$02 : STA $031C
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LDA #$05 : STA $3D
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LDA #$02 : STA $2F
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.not_down
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LDA $F0 : AND #$02 : BEQ .not_left
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LDA $22 : CLC : ADC #-1 : STA $22
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LDA #$03 : STA $031C
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LDA #$05 : STA $3D
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LDA #$04 : STA $2F
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.not_left
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LDA $F0 : AND #$01 : BEQ .not_right
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LDA $22 : CLC : ADC #1 : STA $22
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LDA #$04 : STA $031C
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LDA #$05 : STA $3D
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LDA #$06 : STA $2F
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.not_right
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LDA $70 : BEQ .no_bomb_drop
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LDA $F0 : AND #%01000000 : BEQ .no_bomb_drop
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#_07A14F: LDY.b #$01
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#_07A151: LDA.b #$07 ; ANCILLA 07
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#_07A153: JSL $09811F ; AncillaAdd_Bomb
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.no_bomb_drop
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LDA $F0 : AND #%10000000 : BEQ .no_cancel
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.auto_cancel
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; Reset LinkState to Default
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STZ $5D
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#_08B6A5: LDA.b #$01
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#_08B6A7: STA.w $0AAA
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#_08B6AA: STZ.w $0324
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#_08B6AD: STZ.w $031C
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#_08B6B0: STZ.w $031D
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#_08B6B3: STZ.b $50
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#_08B6B5: STZ.b $3D
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#_08B6B7: STZ.w $0FC1
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#_08B6BA: STZ.w $011A
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#_08B6BD: STZ.w $011B
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#_08B6C0: STZ.w $011C
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#_08B6C3: STZ.w $011D
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.no_turtle_rock_trigger
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#_08B6E4: LDY.b #$00
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#_08B6E6: LDA.b $3C
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#_08B6E8: BEQ .no_sword_charge
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#_08B6EA: LDA.b $F0
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#_08B6EC: AND.b #$80
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#_08B6EE: TAY
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.no_sword_charge
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#_08B6EF: STY.b $3A
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#_08B6F1: STZ.b $5E
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#_08B6F3: STZ.w $0325
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; Set height at end of hover
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; This makes it so the landing animation timer looks correct
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; Floating for a bit, then slowly landing on the ground
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LDA.b #$12 : STA $24
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.no_cancel
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RTL
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}
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print "End of mask_routines.asm ", pc
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