99 lines
2.0 KiB
NASM
99 lines
2.0 KiB
NASM
;--------------------------------------------------------------------------------
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ItemMenuLocations:
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dw $11C8 ; Bow
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dw $11CE ; Boomerang
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dw $11D4 ; Hookshot
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dw $11DA ; Bombs
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dw $11E0 ; Powder / Mushroom
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dw $1288 ; Fire Rod
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dw $128E ; Ice Rod
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dw $1294 ; Bombos
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dw $129A ; Ether
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dw $12A0 ; Quake
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dw $1348 ; Lamp
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dw $134E ; Hammer
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dw $1354 ; Flute / Shovel
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dw $135A ; Bug Net
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dw $1360 ; Book
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dw $1408 ; Bottles
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dw $140E ; Somaria
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dw $1414 ; Byrna
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dw $141A ; Cape
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dw $1420 ; Mirror
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DrawBIndicator:
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LDA.l ItemOnB : AND.w #$00FF : BEQ .done
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DEC : ASL : TAX
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LDA.l ItemMenuLocations, X : TAX
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LDA.w #$3D3B
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STA.w $0042, X
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.done ; what we wrote over
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LDA.w $0202
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AND.w #$00FF
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DEC
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ASL
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TAX
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RTL
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;--------------------------------------------------------------------------------
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ItemHandlerLocs:
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dw $A003 ; Bow
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dw $A0B8 ; Boomerang
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dw $AB23 ; Hookshot
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dw $A139 ; Bombs
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dw $FFFF ; Powder / Mushroom
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dw $9EEC ; Fire Rod
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dw $9EEC ; Ice Rod
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dw $A55E ; Bombos
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dw $A489 ; Ether
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dw $A640 ; Quake
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dw $A246 ; Lamp
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dw $9F82 ; Hammer
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dw $FFFF ; Flute / Shovel
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dw $AFEE ; Bug Net
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dw $A46E ; Book
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dw $FFFF ; Bottles
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dw $AEBB ; Somaria
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dw $FFFF ; Byrna
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dw $FFFF ; Cape
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dw $A913 ; Mirror
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ValidItemOnB:
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db $FF
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db $00, $00, $00, $00, $FF
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db $00, $00, $00, $00, $00
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db $00, $00, $FF, $00, $00
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db $FF, $00, $FF, $FF, $00
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UseItem:
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JSL CheckDetonateBomb : BCS .normal
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LDA.l ItemOnB : BEQ .normal
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TAX
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LDA.b $6C : BNE .prevent_swing
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CPX.b #$11 : BNE .not_somaria
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LDA.w $02F5 : BNE .prevent_swing
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.not_somaria
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LDA.l ValidItemOnB, X : BNE .normal
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LDA.b $3A : ORA.b #$40 : STA.b $3A
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LDA.l $0DFA35, X : STA.w $0304
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CPX.b #$06 : BEQ .fire_rod
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CPX.b #$07 : BNE .not_rod
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.ice_rod
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LDA.b #$02 : STA.w $0307
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BRA .not_rod
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.fire_rod
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LDA.b #$01 : STA.w $0307
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.not_rod
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TXA : DEC : ASL : TAX
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LDA.l ItemHandlerLocs+1, X : STA.b $01
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LDA.l ItemHandlerLocs, X : STA.b $00
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JSL Link_UseItemLong
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.prevent_swing
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SEC
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RTL
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.normal
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LDA.b #$80 : TSB.b $3A
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LDA.b #$01 : TSB.b $50
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CLC
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RTL
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