100 lines
2.0 KiB
NASM
100 lines
2.0 KiB
NASM
; =========================================================
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; Minish Form Link
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;
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; Reacts to Tile ID 64 to transform into Minish Link
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; =========================================================
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org $07DA2A
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TileDetection_OverworldAttributeJumpTable:
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; Overworld Collision Tables
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org $07DAF2
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dw LinkState_CheckForMinishForm ; Tile ID 64
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dw LinkState_CheckMinishTile ; Tile ID 65
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; Underworld Collision Tables
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org $07D8A0
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dw LinkState_CheckForMinishForm
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dw LinkState_CheckMinishTile
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; =========================================================
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pullpc
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LinkState_CheckForMinishForm:
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{
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SEP #$30
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JSL $0FF979 ; AncillaSpawn_SwordChargeSparkle
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; Check for the R button (like minish cap)
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JSL CheckNewRButtonPress : BCC .return
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; Skip the code if you have a mask item out
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LDA $0202
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; Check if the value in A (from $0202) is LT $13.
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CMP.b #$13 : BCC .continue
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; Check if the value in A (from $0202) is GTE to $16.
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CMP.b #$17 : BCS .continue
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LDA.b #$3C : STA.w $012E ; Error beep
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JMP .return
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.continue
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LDA !CurrentMask
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CMP.b #$05 : BEQ .already_minish ; return to human form
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CMP.b #$00 : BEQ .transform
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CMP.b #$06 : BCC .return ; don't transform if not human
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.transform
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%PlayerTransform()
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LDA #$39 : STA $BC ; Change link's sprite
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LDA #$05 : STA $02B2 ; Set the current mask form
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BRA .return
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.already_minish
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%PlayerTransform()
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%ResetToLinkGraphics()
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.return
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REP #$30
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RTS
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}
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; =========================================================
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LinkState_CheckMinishTile:
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{
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LDA $02B2 : BEQ .blocked ; no form
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CMP.w #$0005 : BNE .blocked ; not minish
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LDA $0A : TSB $0343
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RTS
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.blocked
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LDA $0A : TSB $0E ; Blocked
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RTS
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}
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; Prevent lifting while minish
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CheckForMinishLift:
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{
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PHA
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LDA.w $02B2 : CMP.b #$05 : BNE .return
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PLA
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AND.l $7EF379 : AND.b #$80
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RTL
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.return
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PLA
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AND.l $7EF379
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RTL
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}
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print "End of Masks/minish_form.asm ", pc
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pushpc
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org $079C32
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JSL CheckForMinishLift
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