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ebc0791cc4c6ccbaa6da04f6944508237396ee66
alttpr-baserom/inventory.asm
Karkat ebc0791cc4 let's dev 6/28/17 
fixed fake flipper kill (again except on the screen you entered)
fixed stats bonk key
fixed stats progressive sword probably
fixed several byrna bugs
added OnEnterWater event hook
2017-06-28 01:08:03 -04:00

992 lines
29 KiB
NASM
Raw Blame History

;================================================================================
; Inventory Updates
;================================================================================
!INVENTORY_SWAP = "$7EF412"
; Item Tracking Slot
; brmp-skf
; b = blue boomerang
; r = red boomerang
; m = mushroom
; p = magic powder
; -
; s = shovel
; k = fake flute
; f = working flute
;--------------------------------------------------------------------------------
!INVENTORY_SWAP_2 = "$7EF414"
; Item Tracking Slot #2
; bs------
; b = bow
; s = silver arrow bow
; -
; -
; -
; -
; -
; -
;--------------------------------------------------------------------------------
; ProcessMenuButtons:
; out: Carry - 0 = No Button, 1 = Yes Button
;--------------------------------------------------------------------------------
ProcessMenuButtons:
;LDA #$FD : STA !INVENTORY_SWAP ; DEBUG MODE
;LDA $F6 : BIT #$20 : BNE .l_pressed ; check for P1 L-button
LDA $F4 : BIT #$40 : BNE .y_pressed ; check for P1 Y-button
BIT #$20 : BNE .sel_pressed ; check for P1 Select button
LDA $F0 : BIT #$20 : BNE .sel_held
.sel_unheld
LDA !HUD_FLAG : AND #$20 : BEQ +
LDA !HUD_FLAG : AND #$DF : STA !HUD_FLAG ; select is released, unset hud flag
LDA $1B : BEQ + ; skip if outdoors
LDA.b #$20 : STA $012F ; menu select sound
+
JSL.l ResetEquipment
+
.sel_held
CLC ; no buttons
RTL
.sel_pressed
LDA !HUD_FLAG : ORA #$20 : STA !HUD_FLAG ; set hud flag
LDA.b #$20 : STA $012F ; menu select sound
JSL.l ResetEquipment
RTL
.y_pressed
LDA.b #$10 : STA $0207
LDA $0202 ; check selected item
CMP #$02 : BNE + ; boomerang
LDA !INVENTORY_SWAP : AND #$C0 : CMP #$C0 : BNE .errorJump ; make sure we have both boomerangs
LDA $7EF341 : EOR #$03 : STA $7EF341 ; swap blue & red boomerang
LDA.b #$20 : STA $012F ; menu select sound
BRL .captured
+ CMP #$01 : BNE + ; bow
LDA !INVENTORY_SWAP_2 : AND #$C0 : CMP #$C0 : BNE .errorJump ; make sure we have both bows
LDA $7EF340 : !SUB #$01 : EOR #$02 : !ADD #$01 : STA $7EF340 ; swap bows
LDA.b #$20 : STA $012F ; menu select sound
BRL .captured
+ CMP #$05 : BNE + ; powder
LDA !INVENTORY_SWAP : AND #$30 : CMP #$30 : BNE .errorJump ; make sure we have mushroom & magic powder
LDA $7EF344 : EOR #$03 : STA $7EF344 ; swap mushroom & magic powder
LDA.b #$20 : STA $012F ; menu select sound
BRL .captured
;+ BRA +
.errorJump
BRA .error
+ CMP #$0D : BNE + ; flute
LDA $037A : CMP #$01 : BEQ .midShovel ; inside a shovel animation, force the shovel & make error sound
LDA !INVENTORY_SWAP : BIT #$04 : BEQ .error ; make sure we have shovel
AND #$03 : BEQ .error ; make sure we have one of the flutes
LDA $7EF34C : CMP #01 : BNE .toShovel ; not shovel
LDA !INVENTORY_SWAP : AND #$01 : BEQ .toFakeFlute ; check for real flute
LDA #$03 ; set real flute
BRA .fluteSuccess
.toFakeFlute
LDA #$02 ; set fake flute
BRA .fluteSuccess
.toShovel
LDA #$01 ; set shovel
.fluteSuccess
STA $7EF34C ; store set item
LDA.b #$20 : STA $012F ; menu select sound
BRA .captured
+
CMP #$10 : BNE .error : JSL.l ProcessBottleMenu : BRA .captured : +
CLC
RTL
.midShovel
LDA #$01 : STA $7EF34C ; set shovel
.error
LDA.b #$3C : STA $012E ; error sound
.captured
SEC
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;ProcessBottleMenu:
;--------------------------------------------------------------------------------
ProcessBottleMenu:
LDA $F4 : AND #$40 : BEQ .y_not_pressed ; skip if Y is not down
LDA $7EF34F ; check bottle state
BEQ .no_bottles ; skip if we have no bottles
PHX
INC : CMP #$05 : !BLT + : LDA #$01 : + ;increment and wrap 1-4
TAX : LDA $7EF35C-1, X ; check bottle
BNE + : LDX #$01 : + ; wrap if we reached the last bottle
TXA : STA $7EF34F ; set bottle index
LDA.b #$20 : STA $012F ; menu select sound
PLX
.no_bottles
LDA #$00 ; pretend like the controller state was 0 from the overridden load
RTL
.y_not_pressed
LDA $F4 : AND.b #$0C ; thing we wrote over - load controller state
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;OpenBottleMenu:
;--------------------------------------------------------------------------------
OpenBottleMenu:
LDA $F6 : AND #$40 : BEQ .x_not_pressed ; skip if X is not down
LDA.b #$10 : STA $0207 ; set 16 frame cool off
LDA.b #$20 : STA $012F ; make menu sound
LDA.b #$07 : STA $0200 ; thing we wrote over - opens bottle menu
.x_not_pressed
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;CloseBottleMenu:
;--------------------------------------------------------------------------------
CloseBottleMenu:
LDA $F6 : AND #$40 : BEQ .x_not_pressed ; skip if X is not down
LDA.b #$10 : STA $0207 ; set 16 frame cool off
LDA.b #$20 : STA $012F ; make menu sound
INC $0200 ; return to normal menu
STZ $0205
LDA #$00
RTL
.x_not_pressed
LDA $F4 : AND.b #$0C ; thing we wrote over (probably)
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; AddInventory:
;--------------------------------------------------------------------------------
!LOCK_STATS = "$7EF443"
macro TopHalf(address)
LDA <address> : !ADD #$10 : STA <address>
endmacro
macro BottomHalf(address)
PHA : PHX
LDA <address> : INC : AND #$0F : TAX
LDA <address> : AND #$F0 : STA <address>
TXA : ORA <address> : STA <address>
PLX : PLA
endmacro
;--------------------------------------------------------------------------------
FullInventoryExternal:
LDA !LOCK_STATS : BEQ + : RTL : +
PHA : PHX : PHP : JMP AddInventory_fullItemCounts
;--------------------------------------------------------------------------------
!SHAME_CHEST = "$7EF416" ; ---s ----
AddInventory:
PHA : PHX : PHP
CPY.b #$0C : BNE + ; Blue Boomerang
LDA !INVENTORY_SWAP : ORA #$80 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$2A : BNE + ; Red Boomerang
LDA !INVENTORY_SWAP : ORA #$40 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$29 : BNE + ; Mushroom
LDA !INVENTORY_SWAP : ORA #$20 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$0D : BNE + ; Magic Powder
LDA !INVENTORY_SWAP : ORA #$10 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$13 : BNE + ; Shovel
LDA !INVENTORY_SWAP : ORA #$04 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$14 : BNE + ; Flute (Inactive)
LDA !INVENTORY_SWAP : ORA #$02 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$4A : BNE + ; Flute (Active)
LDA !INVENTORY_SWAP : ORA #$01 : STA !INVENTORY_SWAP
BRL .incrementCounts
+ CPY.b #$0B : BNE + ; Bow
LDA !INVENTORY_SWAP_2 : ORA #$80 : STA !INVENTORY_SWAP_2
BRL .incrementCounts
+ CPY.b #$3A : BNE + ; Bow & Arrows
LDA !INVENTORY_SWAP_2 : ORA #$80 : STA !INVENTORY_SWAP_2
BRL .incrementCounts
+ CPY.b #$3B : BNE + ; Bow & Silver Arrows
LDA !INVENTORY_SWAP_2 : ORA #$40 : STA !INVENTORY_SWAP_2
BRL .incrementCounts
+ CPY.b #$58 : BNE + ; Upgrade-Only Silver Arrows
LDA !INVENTORY_SWAP_2 : ORA #$40 : STA !INVENTORY_SWAP_2
+
.incrementCounts
LDA !LOCK_STATS : BEQ + : BRL .done : +
; don't count any of this stuff
CPY.b #$20 : BNE + : BRL .itemCounts : + ; Crystal
CPY.b #$26 : BNE + : BRL .itemCounts : + ; Heart Piece Completion Heart
CPY.b #$2E : BNE + : BRL .itemCounts : + ; Red Potion (Refill)
CPY.b #$2F : BNE + : BRL .itemCounts : + ; Green Potion (Refill)
CPY.b #$30 : BNE + : BRL .itemCounts : + ; Blue Potion (Refill)
CPY.b #$37 : BNE + : BRL .itemCounts : + ; Pendant
CPY.b #$38 : BNE + : BRL .itemCounts : + ; Pendant
CPY.b #$39 : BNE + : BRL .itemCounts : + ; Pendant
CPY.b #$00 : BNE + : BRL .itemCounts : + ; Uncle Sword & Shield
CPY.b #$04 : !BLT .isSword ; Swords - Skip Shop/Fairy Check for Swords
CPY.b #$50 : BEQ .isSword
BRA +
.isSword
BRL .dungeonCounts
+
CPY.b #$3B : BNE + : BRL .dungeonCounts : + ; Silver Arrow Bow - Skip Shop/Fairy Check for Silver Arrow Bow
LDA $02E9 : CMP #$01 : BEQ ++ ; skip shop check for chests
PHP : REP #$20 ; set 16-bit accumulator
LDA $048E
CMP.w #274 : BNE + : BRL .shop : + ; dark world death mountain shop, ornamental shield shop
CMP.w #271 : BNE + : BRL .shop : + ; villiage of outcasts shop, lumberjack shop, lake hylia shop, dark world magic shop
CMP.w #272 : BNE + : BRL .shop : + ; red shield shop
CMP.w #284 : BNE + : BRL .shop : + ; bomb shop
;CMP.w #265 : BNE + : BRL .shop : + ; potion shop - commented this out because it's easier to just block potion refills
;CMP.w #271 : BNE + : BRL .shop : + ; lake hylia shop
CMP.w #287 : BNE + : BRL .shop : + ; kakariko shop
CMP.w #255 : BNE + : BRL .shop : + ; light world death mountain shop
CMP.w #276 : BNE + : BRL .shop : + ; waterfall fairy
CMP.w #278 : BNE + : BRL .shop : + ; pyramid fairy
PLP : BRA ++
.shop
PLP : BRL .done
++
.dungeonCounts
LDA $1B : BNE + : BRL .fullItemCounts : +
; ==BEGIN INDOOR-ONLY SECTION
REP #$20 ; Set 16-bit Accumulator
LDA $A0 ; load room ID
CMP.w #$0010 : BNE + ; Ganon Fall Room
;!SHAME_CHEST = "$7EF416" ; ---s ----
LDA !SHAME_CHEST : ORA.w #$0010 : STA !SHAME_CHEST
+
SEP #$20 ; Set 8-bit Accumulator
LDA $040C ; get dungeon id
CMP.b #$00 : BNE + ; Sewers (Escape)
BRA ++
+ CMP.b #$02 : BNE + ; Hyrule Castle (Escape)
++
CPY.b #$32 : BNE ++ : BRL .itemCounts : ++ ; Ball & Chain Guard's Big Key
%TopHalf($7EF434)
BRL .fullItemCounts
+ CMP.b #$04 : BNE + ; Eastern Palace
LDA $7EF436 : INC : AND #$07 : TAX
LDA $7EF436 : AND #$F8 : STA $7EF436
TXA : ORA $7EF436 : STA $7EF436
BRL .fullItemCounts
+ CMP.b #$06 : BNE + ; Desert Palace
LDA $7EF435 : !ADD #$20 : STA $7EF435
BRL .fullItemCounts
+ CMP.b #$08 : BNE + ; Agahnim's Tower
LDA $7EF435 : INC : AND #$03 : TAX
LDA $7EF435 : AND #$FC : STA $7EF435
TXA : ORA $7EF435 : STA $7EF435
BRL .fullItemCounts
+ CMP.b #$0A : BNE + ; Swamp Palace
%BottomHalf($7EF439)
BRL .fullItemCounts
+ CMP.b #$0C : BNE + ; Palace of Darkness
%BottomHalf($7EF434)
BRL .fullItemCounts
+ CMP.b #$0E : BNE + ; Misery Mire
%BottomHalf($7EF438)
BRL .fullItemCounts
+ CMP.b #$10 : BNE + ; Skull Woods
%TopHalf($7EF437)
BRL .fullItemCounts
+ CMP.b #$12 : BNE + ; Ice Palace
%TopHalf($7EF438)
BRL .fullItemCounts
+ CMP.b #$14 : BNE + ; Tower of Hera
LDA $7EF435 : !ADD #$04 : AND #$1C : TAX
LDA $7EF435 : AND #$E3 : STA $7EF435
TXA : ORA $7EF435 : STA $7EF435
BRL .fullItemCounts
+ CMP.b #$16 : BNE + ; Thieves' Town
%BottomHalf($7EF437)
BRL .fullItemCounts
+ CMP.b #$18 : BNE + ; Turtle Rock
%TopHalf($7EF439)
BRL .fullItemCounts
+ CMP.b #$1A : BNE + ; Ganon's Tower
LDA $7EF436 : !ADD #$08 : STA $7EF436
LDA $7EF366 : AND #$04 : BNE ++
JSR .incrementGTowerPreBigKey
++
;BRL .fullItemCounts
+
; == END INDOOR-ONLY SECTION
.fullItemCounts
CPY.b #$3B : BNE + ; Skip Total Counts for Repeat Silver Arrows
LDA $7EF42A : BIT #$20 : BEQ + : BRA .itemCounts
+
LDA $7EF355 : BNE + ; Check for Boots
LDA $7EF432 : INC : STA $7EF432 ; Increment Pre Boots Counter
+
LDA $7EF353 : BNE + ; Check for Mirror
LDA $7EF433 : INC : STA $7EF433 ; Increment Pre Mirror Counter
+
LDA $7EF423 : INC : STA $7EF423 ; Increment Item Total
.itemCounts
CPY.b #$00 : BNE + ; Fighter's Sword & Fighter's Shield
JSR .incrementSword
JSR .incrementShield
BRL .done
+ CPY.b #$01 : BNE + ; Master Sword
JSR .incrementSword
BRL .done
+ CPY.b #$02 : BNE + ; Tempered Sword
JSR .incrementSword
BRL .done
+ CPY.b #$03 : BNE + ; Golden Sword
JSR .incrementSword
BRL .done
+ CPY.b #$04 : BNE + ; Fighter's Shield
JSR .incrementShield
BRL .done
+ CPY.b #$05 : BNE + ; Red Shield
JSR .incrementShield
BRL .done
+ CPY.b #$06 : BNE + ; Mirror Shield
JSR .incrementShield
BRL .done
+ CPY.b #$07 : !BLT + ; Items 7 - D
CPY.b #$0E : !BGE +
JSR .incrementY
BRL .done
+ CPY.b #$0F : !BLT + ; Items F - 16
CPY.b #$17 : !BGE +
JSR .incrementY
BRL .done
+ CPY.b #$17 : BNE + ; Heart Piece
JSR .incrementHeartPiece
BRL .done
+ CPY.b #$18 : !BLT + ; Items 18 - 1A
CPY.b #$1B : !BGE +
JSR .incrementY
BRL .done
+ CPY.b #$1D : BNE + ; Book of Mudora - leave this above the 1B-1F condition
JSR .incrementY
BRL .done
+ CPY.b #$1B : !BLT + ; Items 1B - 1F
CPY.b #$20 : !BGE +
JSR .incrementA
BRL .done
+ CPY.b #$20 : BNE + ; Crystal
JSR .incrementCrystal
BRL .done
+ CPY.b #$21 : BNE + ; Bug Net
JSR .incrementY
BRL .done
+ CPY.b #$22 : !BLT + ; Items 22 - 23
CPY.b #$24 : !BGE +
JSR .incrementMail
BRL .done
+ CPY.b #$24 : BNE + ; Small Key
JSR .incrementKey
BRL .done
+ CPY.b #$25 : BNE + ; Compass
JSR .incrementCompass
BRL .done
+ CPY.b #$26 : BNE + ; Liar Heart (Container)
;JSR .incrementHeartContainer
BRL .done
+ CPY.b #$27 : BNE + ; 1 Bomb
JSR .maybeIncrementBombs
BRL .done
+ CPY.b #$28 : BNE + ; 3 Bombs
JSR .maybeIncrementBombs
BRL .done
+ CPY.b #$29 : BNE + ; Musoroom
JSR .incrementY
BRL .done
+ CPY.b #$2A : !BLT + ; Items 2A - 2D
CPY.b #$2E : !BGE +
JSR .incrementY
BRL .done
+ CPY.b #$31 : BNE + ; 10 Bombs
JSR .maybeIncrementBombs
BRL .done
+ CPY.b #$32 : BNE + ; Big Key
JSR .incrementBigKey
BRL .done
+ CPY.b #$33 : BNE + ; Map
JSR .incrementMap
BRL .done
+ CPY.b #$37 : !BLT + ; Items 37 - 39 - Pendants
CPY.b #$3A : !BGE +
JSR .incrementPendant
BRL .done
+ CPY.b #$3A : !BLT + ; Items 3A - 3B - Bow & Silver Arrows
CPY.b #$3C : !BGE +
JSR .incrementBow
BRL .done
+ CPY.b #$3C : BNE + ; Bottle w/Bee
JSR .incrementY
BRL .done
+ CPY.b #$3D : BNE + ; Bottle w/Fairy
JSR .incrementY
BRL .done
+ CPY.b #$3E : !BLT + ; Items 3E - 3F - Heart Containers
CPY.b #$40 : !BGE +
JSR .incrementHeartContainer
BRL .done
+ CPY.b #$48 : BNE + ; Bottle w/Gold Bee
JSR .incrementY
BRL .done
+ CPY.b #$49 : BNE + ; Fighter's Sword
JSR .incrementSword
BRL .done
+ CPY.b #$4A : BNE + ; Flute (Active)
JSR .incrementY
BRL .done
+ CPY.b #$4B : BNE + ; Pegasus Boots
JSR .incrementA
BRL .done
+ CPY.b #$4C : BNE + ; Bomb Capacity Upgrade
JSR .incrementCapacity
JSR .maybeIncrementBombs
BRL .done
+ CPY.b #$4D : !BLT + ; Items 4D - 4F - Capacity Upgrades
CPY.b #$50 : !BGE +
JSR .incrementCapacity
BRL .done
+ CPY.b #$50 : BNE + ; Master Sword (Safe)
JSR .incrementSword
BRL .done
+ CPY.b #$51 : !BLT + ; Items 51 - 54 - Capacity Upgrades
CPY.b #$55 : !BGE +
JSR .incrementCapacity
BRL .done
+ CPY.b #$58 : BNE + ; Upgrade-Only Sivler Arrows
JSR .incrementBow
BRL .done
+ CPY.b #$5E : BNE + ; Progressive Sword
JSR .incrementSword
BRL .done
+ CPY.b #$5F : BNE + ; Progressive Shield
JSR .incrementShield
BRL .done
+ CPY.b #$60 : BNE + ; Progressive Armor
JSR .incrementMail
BRL .done
+ CPY.b #$61 : BNE + ; Progressive Lifting Glove
JSR .incrementA
BRL .done
+ CPY.b #$70 : !BLT + ; Items 70 - 7F - Free Maps
CPY.b #$80 : !BGE +
JSR .incrementMap
BRL .done
+ CPY.b #$80 : !BLT + ; Items 80 - 8F - Free Compasses
CPY.b #$90 : !BGE +
JSR .incrementCompass
BRL .done
+ CPY.b #$90 : !BLT + ; Items 90 - 9F - Free Big Keys
CPY.b #$A0 : !BGE +
JSR .incrementBigKey
BRL .done
+ CPY.b #$A0 : !BLT + ; Items A0 - AF - Free Small Keys
CPY.b #$B0 : !BGE +
JSR .incrementKey
BRL .done
+
.done
PLP : PLX : PLA
RTL
; WHICH BEE IS BOTTLED?
; MAKE SURE FAIRY FOUNTAINS DON'T FUCK THE COUNTS UP
.incrementSword
; CHECK FOR DUPLICATE SWORDS
TYA ; load sword item
CMP.b #$50 : BNE + : LDA.b #$01 : + ; convert extra master sword to normal one
CMP.b #$49 : BNE + : LDA.b #$00 : + ; convert extra fighter sword to normal one
INC : CMP !HIGHEST_SWORD_LEVEL : !BLT + ; skip if highest is higher
PHA
LDA !HIGHEST_SWORD_LEVEL : AND #$F8 : ORA 1,s : STA !HIGHEST_SWORD_LEVEL
PLA
+
LDA $7EF422 : !ADD #$20 : STA $7EF422 ; increment sword counter
RTS
.incrementShield
; CHECK FOR DUPLICATE SHIELDS
LDA $7EF422 : !ADD #$08 : AND #$18 : TAX
LDA $7EF422 : AND #$E7 : STA $7EF422
TXA : ORA $7EF422 : STA $7EF422
RTS
.incrementBow
CPY.b #$3B : BNE ++
LDA $7EF42A : BIT #$20 : BEQ + : RTS : +
ORA #$20 : STA $7EF42A
++
.incrementY
LDA $7EF421 : !ADD #$08 : STA $7EF421
RTS
.incrementA
LDA $7EF421 : INC : AND #$07 : TAX
LDA $7EF421 : AND #$F8 : STA $7EF421
TXA : ORA $7EF421 : STA $7EF421
RTS
.incrementPendant
LDA $7EF429 : INC : AND #$03 : TAX
LDA $7EF429 : AND #$FC : STA $7EF429
TXA : ORA $7EF429 : STA $7EF429
JSR .incrementBossSword
RTS
.incrementCapacity
%BottomHalf($7EF452)
RTS
.incrementHeartPiece
LDA $7EF448 : INC : AND #$1F : TAX
LDA $7EF448 : AND #$E0 : STA $7EF448
TXA : ORA $7EF448 : STA $7EF448
RTS
.incrementHeartContainer
%TopHalf($7EF429)
RTS
.incrementCrystal
LDA $7EF422 : INC : AND #$07 : TAX
LDA $7EF422 : AND #$F8 : STA $7EF422
TXA : ORA $7EF422 : STA $7EF422
JSR .incrementBossSword
RTS
.incrementMail
LDA $7EF424 : !ADD #$40 : STA $7EF424
RTS
.incrementKeyLong
JSR .incrementKey
RTL
.incrementKey
PHA : PHX
LDA $7EF424 : INC : AND #$3F : TAX
LDA $7EF424 : AND #$C0 : STA $7EF424
TXA : ORA $7EF424 : STA $7EF424
PLX : PLA
RTS
.incrementCompass
%BottomHalf($7EF428)
RTS
.incrementBigKey
LDA $7EF427 : !ADD #$10 : STA $7EF427
RTS
.incrementGTowerPreBigKey
LDA $7EF42A : INC : AND #$1F : TAX
LDA $7EF42A : AND #$E0 : STA $7EF42A
TXA : ORA $7EF42A : STA $7EF42A
RTS
.maybeIncrementBombs
LDA $7EF42A : AND #$80 : BNE +
LDA $7EF42A : ORA #$80 : STA $7EF42A
JSR .incrementY
+
RTS
.incrementMap
LDA $7EF428 : !ADD #$10 : STA $7EF428
RTS
.incrementBossSwordLong
JSR .incrementBossSword
RTL
.incrementBossSword
LDA $7EF359
BNE + : -
%TopHalf($7EF452) : RTS
+ CMP #$FF : BEQ -
+ CMP #$01 : BNE +
%TopHalf($7EF425) : RTS
+ CMP #$02 : BNE +
%BottomHalf($7EF425) : RTS
+ CMP #$03 : BNE +
%TopHalf($7EF426) : RTS
+ CMP #$04 : BNE +
%BottomHalf($7EF426)
+
RTS
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; Link_ReceiveItem_HUDRefresh:
;--------------------------------------------------------------------------------
Link_ReceiveItem_HUDRefresh:
LDA $7EF343 : BNE + ; skip if we have bombs
LDA $7EF375 : BEQ + ; skip if we are filling no bombs
DEC : STA $7EF375 ; decrease bomb fill count
LDA.b #$01 : STA $7EF343 ; increase actual bomb count
+
JSL.l HUD_RefreshIconLong ; thing we wrote over
JSL.l PostItemGet
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; HandleBombAbsorbtion:
;--------------------------------------------------------------------------------
HandleBombAbsorbtion:
STA $7EF375 ; thing we wrote over
LDA $0303 : BNE + ; skip if we already have some item selected
LDA.b #$04 : STA $0202 ; set selected item to bombs
LDA.b #$01 : STA $0303 ; set selected item to bombs
JSL.l HUD_RebuildLong
+
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; AddYMarker:
;--------------------------------------------------------------------------------
;!JAR_STATUS = "$7F5030";
AddYMarker:
LDA $0202 : AND.w #$FF ; load item value
CMP.w #$02 : BNE + ; boomerang
LDA !INVENTORY_SWAP : AND.w #$C0 : CMP.w #$C0 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$01 : BNE + ; bow
LDA !INVENTORY_SWAP_2 : AND.w #$C0 : CMP.w #$C0 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$05 : BNE + ; powder
LDA !INVENTORY_SWAP : AND.w #$30 : CMP.w #$30 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$0D : BNE + ; flute
LDA !INVENTORY_SWAP : BIT.w #$04 : BEQ .drawNormal ; make sure we have shovel
AND.w #$03 : BNE .drawYBubble ; make sure we have one of the flutes
BRA .drawNormal
+ CMP.w #$10 : BEQ .drawJarMarker
.drawNormal
LDA.w #$7C60
BRA .drawTile
.drawJarMarker
;SEP #$20 : LDA !JAR_STATUS : INC : AND.b #$01 : STA !JAR_STATUS : REP #$20 : BEQ .drawXBubble
LDA $0207 : AND.w #$0020 : BNE .drawXBubble
.drawYBubble
LDA.w #$3D4F
BRA .drawTile
.drawXBubble
JSR MakeCircleBlue
LDA.w #$2D3E
.drawTile
STA $FFC4, Y
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; MakeCircleBlue
; this is horrible, make it better
;--------------------------------------------------------------------------------
MakeCircleBlue:
LDA $FFC0, Y : AND.w #$EFFF : STA $FFC0, Y
LDA $FFC2, Y : AND.w #$EFFF : STA $FFC2, Y
LDA $FFFE, Y : AND.w #$EFFF : STA $FFFE, Y
LDA $0004, Y : AND.w #$EFFF : STA $0004, Y
LDA $003E, Y : AND.w #$EFFF : STA $003E, Y
LDA $0044, Y : AND.w #$EFFF : STA $0044, Y
LDA $0080, Y : AND.w #$EFFF : STA $0080, Y
LDA $0082, Y : AND.w #$EFFF : STA $0082, Y
LDA $FFBE, Y : AND.w #$EFFF : STA $FFBE, Y
LDA $FFC4, Y : AND.w #$EFFF : STA $FFC4, Y
LDA $0084, Y : AND.w #$EFFF : STA $0084, Y
LDA $007E, Y : AND.w #$EFFF : STA $007E, Y
RTS
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; UpgradeFlute:
;--------------------------------------------------------------------------------
UpgradeFlute:
LDA !INVENTORY_SWAP : AND #$FC : ORA #$01 : STA !INVENTORY_SWAP ; switch to the working flute
LDA.b #$03 : STA $7EF34C ; upgrade primary inventory
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; GetWitchLootOAMTableIndex
; in: A - Loot ID
; out: A - Loot OAM Table Index
;--------------------------------------------------------------------------------
GetWitchLootOAMTableIndex:
PHX
PHB : PHK : PLB
;--------
TAX : LDA .gfxSlots, X ; look up item gfx
PLB : PLX
RTL
;DATA - Loot Identifier to Sprite ID
{
.gfxSlots
db $FF, $FF, $FF, $FF, $05, $06, $FF, $0C
db $0B, $0D, $0A, $07, $13, $0E, $FF, $FF
db $FF, $FF, $FF, $FF, $FF, $09, $FF, $FF
db $08, $FF, $FF, $10, $11, $12, $FF, $FF
db $FF, $FF, $03, $04, $FF, $FF, $02, $FF
db $FF, $FF, $14, $15, $17, $16, $15, $17
db $16, $0F, $FF, $FF, $FF, $FF, $FF, $FF
db $FF, $FF, $FF, $FF, $FF, $FF, $02, $02
db $FF, $FF, $FF, $FF, $01, $FF, $FF, $FF
db $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
}
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; PrepItemScreenBigKey:
;--------------------------------------------------------------------------------
PrepItemScreenBigKey:
STZ $02
STZ $03
REP #$30 ; thing we wrote over - set 16-bit accumulator
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; LoadPowder:
;--------------------------------------------------------------------------------
LoadPowder:
JSL.l Sprite_SpawnDynamically ; thing we wrote over
LDA WitchItem
JSL.l PrepDynamicTile
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; InitializeBottles:
;--------------------------------------------------------------------------------
InitializeBottles:
STA $7EF35C, X ; thing we wrote over
PHA
LDA $7EF34F : BNE +
TXA : INC : STA $7EF34F ; write bottle index to menu properly
+
PLA
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; DrawPowder:
;--------------------------------------------------------------------------------
!REDRAW = "$7F5000"
;--------------------------------------------------------------------------------
DrawPowder:
LDA $02DA : BNE .defer ; defer if link is buying a potion
LDA.l !REDRAW : BEQ +
LDA WitchItem
JSL.l PrepDynamicTile
LDA #$00 : STA.l !REDRAW ; reset redraw flag
BRA .defer
+
LDA WitchItem
JSL.l DrawDynamicTile
.defer
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; LoadMushroom:
;--------------------------------------------------------------------------------
LoadMushroom:
LDA.b #$00 : STA $0DC0, X ; thing we wrote over
.justGFX
;LDA MushroomItem
;JSL.l PrepDynamicTile
PHA
LDA #$01 : STA !REDRAW
LDA $5D : CMP #$14 : BEQ .skip ; skip if we're mid-mirror
LDA #$00 : STA !REDRAW
LDA MushroomItem
JSL.l PrepDynamicTile
.skip
PLA
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; DrawMushroom:
;--------------------------------------------------------------------------------
!REDRAW = "$7F5000"
;--------------------------------------------------------------------------------
DrawMushroom:
PHA : PHY
LDA !REDRAW : BEQ .skipInit ; skip init if already ready
JSL.l LoadMushroom_justGFX
BRA .done ; don't draw on the init frame
.skipInit
LDA MushroomItem
JSL.l DrawDynamicTile
.done
PLY : PLA
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; CollectPowder:
;--------------------------------------------------------------------------------
CollectPowder:
LDA.l WitchItem : TAY ; load witch item
STZ $02E9 ; item from NPC
JSL.l Link_ReceiveItem
;JSL.l FullInventoryExternal
JSL.l ItemSet_Powder
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; RemoveMushroom:
;--------------------------------------------------------------------------------
RemoveMushroom:
LDA !INVENTORY_SWAP : AND #$DF : STA !INVENTORY_SWAP ; remove the mushroom
AND #$10 : BEQ .empty ; check if we have powder
LDA.b #$02 : STA $7EF344 ; give powder if we have it
RTL
.empty
LDA.b #$00 : STA $7EF344 ; clear the inventory slot if we don't have powder
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; DrawMagicHeader:
;--------------------------------------------------------------------------------
DrawMagicHeader:
LDA $7EF37B : AND.w #$00FF : CMP.w #$0002 : BEQ .quarterMagic
.halfMagic
LDA.w #$28F7 : STA $7EC704
LDA.w #$2851 : STA $7EC706
LDA.w #$28FA : STA $7EC708
RTL
.quarterMagic
LDA.w #$28F7 : STA $7EC704
LDA.w #$2800 : STA $7EC706
LDA.w #$2801 : STA $7EC708
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; FixShovelLock:
;--------------------------------------------------------------------------------
;FixShovelLock:
; LDA $037A : CMP #$01 : BEQ + ; skip if link is shoveling
; LDA $7EF34C ; load shovel/flute item ID
; +
; CMP #$00
;RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; SpawnShovelItem:
;--------------------------------------------------------------------------------
!REDRAW = "$7F5000"
SpawnShovelItem:
LDA.b #$01 : STA !REDRAW
LDA $03FC : BEQ +
JSL DiggingGameGuy_AttemptPrizeSpawn
BRL .skip
+
LDA $035B : AND.b #$01 : BNE + : BRL .skip : + ; corner dig fix
PHY : PHP
PHB : PHK : PLB
SEP #$30 ; set 8-bit accumulator and index registers
LDA $1B : BEQ + : JMP .no_drop : + ; skip if indoors
LDA $8A : CMP #$2A : BEQ .no_drop ; don't drop in the haunted grove
CMP #$68 : BEQ .no_drop ; don't drop in the digging game area
JSL GetRandomInt : BIT #$03 : BNE .no_drop ; drop with 1/4 chance
LSR #2 : TAX ; clobber lower 2 bis - we have 64 slots now
LDA.l ShovelSpawnTable, X ; look up the drop on the table
;most of this part below is copied from the digging game
STA $7FFE00
JSL Sprite_SpawnDynamically
LDX.b #$00
LDA $2F : CMP.b #$04 : BEQ + : INX : +
LDA .x_speeds, X : STA $0D50, Y
LDA.b #$00 : STA $0D40, Y
LDA.b #$18 : STA $0F80, Y
LDA.b #$FF : STA $0B58, Y
LDA.b #$30 : STA $0F10, Y
LDA $22 : !ADD .x_offsets, X
AND.b #$F0 : STA $0D10, Y
LDA $23 : ADC.b #$00 : STA $0D30, Y
LDA $20 : !ADD.b #$16 : AND.b #$F0 : STA $0D00, Y
LDA $21 : ADC.b #$00 : STA $0D20, Y
LDA.b #$00 : STA $0F20, Y
TYX
LDA.b #$30 : JSL Sound_SetSfx3PanLong
.no_drop
PLB
PLP : PLY
.skip
RTL
;DATA - Shovel Spawn Information
{
.x_speeds
db $F0
db $10
.x_offsets
db $00
db $13
}
;--------------------------------------------------------------------------------
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