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alttpr-baserom/inventory.asm
cassidy 7cc5f802f9 Move compass counts to ROM and trackable RAM 
Add flag if compass HUD count has been displayed in SRAM
Move low hearts fix from tables.asm to bugfixes.asm
Rearrange dungeon stats in SRAM to match door rando ROM
2021-12-14 22:52:20 -05:00

1164 lines
36 KiB
NASM
Raw Blame History

;================================================================================
; Inventory Updates
;================================================================================
; InventoryTracking
; brmpnskf ------oq
; b = blue boomerang | -
; r = red boomerang | -
; m = mushroom current | -
; p = magic powder | -
; n = mushroom past | -
; s = shovel | -
; k = fake flute | o = any bomb acquired from item location
; f = working flute | q = quickswap locked
;--------------------------------------------------------------------------------
; BowTracking
; Item Tracking Slot #2
; bsp-----
; b = bow
; s = silver arrow bow
; p = 2nd progressive bow
; -
; -
; -
; -
; -
;--------------------------------------------------------------------------------
; ProcessMenuButtons:
; out: Carry - 0 = No Button, 1 = Yes Button
;--------------------------------------------------------------------------------
ProcessMenuButtons:
;LDA #$FD : STA InventoryTracking ; 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 HudFlag : AND #$20 : BEQ +
LDA HudFlag : AND #$DF : STA HudFlag ; 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 HudFlag : ORA #$20 : STA HudFlag ; set hud flag
LDA.b #$20 : STA $012F ; menu select sound
JSL.l ResetEquipment
RTL
.y_pressed ; Note: used as entry point by quickswap code. Must preserve X.
LDA.b #$10 : STA $0207
LDA $0202 ; check selected item
CMP #$02 : BNE + ; boomerang
LDA InventoryTracking : AND #$C0 : CMP #$C0 : BNE .errorJump ; make sure we have both boomerangs
LDA BoomerangEquipment : EOR #$03 : STA BoomerangEquipment ; swap blue & red boomerang
LDA.b #$20 : STA $012F ; menu select sound
JMP .captured
+ CMP #$01 : BNE + ; bow
LDA BowTracking : AND #$C0 : CMP #$C0 : BNE .errorJump ; make sure we have both bows
PHX : LDX.b #$00 ; scan ancilla table for arrows
-- : CPX.b #$0A : !BGE ++
LDA $0C4A, X : CMP.b #$09 : BNE +++
PLX : BRA .errorJump2 ; found an arrow, don't allow the swap
+++
INX : BRA -- : ++
PLX
LDA.l SilverArrowsUseRestriction : BEQ ++
LDA $A0 : ORA $A1 : BEQ ++ ; not in ganon's room in restricted mode
LDA BowEquipment : CMP.b #$03 : !BLT .errorJump : !SUB #$02 : STA BowEquipment
BRA .errorJump2
++
LDA BowEquipment : !SUB #$01 : EOR #$02 : !ADD #$01 : STA BowEquipment ; swap bows
LDA.b #$20 : STA $012F ; menu select sound
JMP .captured
+ BRA +
.errorJump
BRA .errorJump2
+ CMP #$05 : BNE + ; powder
LDA InventoryTracking : AND #$30 : CMP #$30 : BNE .errorJump ; make sure we have mushroom & magic powder
LDA PowderEquipment : EOR #$03 : STA PowderEquipment ; swap mushroom & magic powder
LDA.b #$20 : STA $012F ; menu select sound
JMP .captured
+ BRA +
.errorJump2
BRA .error
+ CMP #$0D : BNE + ; flute
LDA $037A : CMP #$01 : BEQ .midShovel ; inside a shovel animation, force the shovel & make error sound
LDA InventoryTracking : BIT #$04 : BEQ .error ; make sure we have shovel
AND #$03 : BEQ .error ; make sure we have one of the flutes
LDA FluteEquipment : CMP #01 : BNE .toShovel ; not shovel
LDA InventoryTracking : 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 FluteEquipment ; 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 FluteEquipment ; set shovel
.error
LDA.b #$3C : STA $012E ; error sound
.captured
SEC
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;ProcessBottleMenu:
;--------------------------------------------------------------------------------
ProcessBottleMenu:
; LDA $F6 : AND #$30 : CMP.b #$30 : BEQ .double_shoulder_pressed
; LDA $F4 : AND #$40 : BEQ .y_not_pressed ; skip if Y is not down
; .double_shoulder_pressed
LDA BottleIndex ; 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 BottleContents-1, X ; check bottle
BNE + : LDX #$01 : + ; wrap if we reached the last bottle
TXA : STA BottleIndex ; 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:
;--------------------------------------------------------------------------------
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 StatsLocked : BEQ + : RTL : +
; PHA : PHX : PHP : JMP AddInventory_fullItemCounts
;--------------------------------------------------------------------------------
FullInventoryExternal:
LDA StatsLocked : BEQ + : RTL : +
PHA : PHX : PHP : JMP AddInventory_incrementCounts
;--------------------------------------------------------------------------------
AddInventory:
PHA : PHX : PHP
CPY.b #$0C : BNE + ; Blue Boomerang
LDA InventoryTracking : ORA #$80 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$2A : BNE + ; Red Boomerang
LDA InventoryTracking : ORA #$40 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$29 : BNE + ; Mushroom
LDA InventoryTracking : ORA #$28 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$0D : BNE + ; Magic Powder
LDA InventoryTracking : ORA #$10 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$13 : BNE + ; Shovel
LDA InventoryTracking : ORA #$04 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$14 : BNE + ; Flute (Inactive)
LDA InventoryTracking : ORA #$02 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$4A : BNE + ; Flute (Active)
LDA InventoryTracking : ORA #$01 : STA InventoryTracking
JMP .incrementCounts
+ CPY.b #$0B : BNE + ; Bow
LDA ArrowMode : BNE +++
LDA BowTracking : ORA #$80 : STA BowTracking
+++
JMP .incrementCounts
+ CPY.b #$3A : BNE + ; Bow & Arrows
LDA BowTracking : ORA #$80 : STA BowTracking
JMP .incrementCounts
+ CPY.b #$3B : BNE + ; Bow & Silver Arrows
LDA BowTracking : ORA #$40 : STA BowTracking
LDA ArrowMode : BNE +++
LDA BowTracking : ORA #$80 : STA BowTracking ; activate wood arrows when not in rupee bow
+++
JMP .incrementCounts
+ CPY.b #$43 : BNE + ; Single arrow
LDA ArrowMode : BEQ +++
LDA BowTracking : ORA #$80 : STA BowTracking ; activate wood arrows in quick-swap
+++
JMP .incrementCounts
+ CPY.b #$58 : BNE + ; Upgrade-Only Silver Arrows
LDA BowTracking : ORA #$40 : STA BowTracking
+
.incrementCounts
LDA StatsLocked : BEQ + : JMP .done : +
; don't count any of this stuff
CPY.b #$20 : BNE + : JMP .itemCounts : + ; Crystal
CPY.b #$26 : BNE + : JMP .itemCounts : + ; Heart Piece Completion Heart
CPY.b #$2E : BNE + : JMP .itemCounts : + ; Red Potion (Refill)
CPY.b #$2F : BNE + : JMP .itemCounts : + ; Green Potion (Refill)
CPY.b #$30 : BNE + : JMP .itemCounts : + ; Blue Potion (Refill)
CPY.b #$37 : BNE + : JMP .itemCounts : + ; Pendant
CPY.b #$38 : BNE + : JMP .itemCounts : + ; Pendant
CPY.b #$39 : BNE + : JMP .itemCounts : + ; Pendant
CPY.b #$04 : !BLT .isSword ; Swords - Skip Shop/Fairy Check for Swords
CPY.b #$49 : BEQ .isSword
CPY.b #$50 : BEQ .isSword
CPY.b #$5E : BEQ .isSword
BRA +
.isSword
JMP .dungeonCounts
+
CPY.b #$3B : BNE + : JMP .dungeonCounts : + ; Silver Arrow Bow - Skip Shop/Fairy Check for Silver Arrow Bow
LDA $1B : BEQ ++ ; skip shop check if outdoors
LDA $02E9 : CMP.b #$01 : BEQ ++ ; skip shop check for chests
PHP : REP #$20 ; set 16-bit accumulator
LDA $048E
CMP.w #274 : BNE + : JMP .shop : + ; dark world death mountain shop, ornamental shield shop
CMP.w #271 : BNE + : JMP .shop : + ; villiage of outcasts shop, lumberjack shop, lake hylia shop, dark world magic shop
CMP.w #272 : BNE + : JMP .shop : + ; red shield shop
CMP.w #284 : BNE + : JMP .shop : + ; bomb shop
;CMP.w #265 : BNE + : JMP .shop : + ; potion shop - commented this out because it's easier to just block potion refills because this one interferes with the powder item being counted
;CMP.w #271 : BNE + : JMP .shop : + ; lake hylia shop
CMP.w #287 : BNE + : JMP .shop : + ; kakariko shop
CMP.w #255 : BNE + : JMP .shop : + ; light world death mountain shop
CMP.w #276 : BNE + : JMP .shop : + ; waterfall fairy
CMP.w #277 : BNE + : JMP .shop : + ; upgrade fairy (shop)
CMP.w #278 : BNE + : JMP .shop : + ; pyramid fairy
PLP : BRA ++
.shop
PLP : JMP .done
++
.dungeonCounts
LDA $1B : BNE + : JMP .fullItemCounts : +
SEP #$20 ; Set 8-bit Accumulator
LDA $040C ; get dungeon id
CMP.b #$00 : BNE + ; Sewers (Escape)
LDA SewersLocations : INC : STA SewersLocations
LDA HCLocations : INC : STA HCLocations
BRA ++
+ CMP.b #$02 : BNE + ; Hyrule Castle (Escape)
++
CPY.b #$32 : BNE ++ : JMP .itemCounts : ++ ; Ball & Chain Guard's Big Key
LDA HCLocations : INC : STA HCLocations
LDA SewersLocations : INC : STA SewersLocations
JMP .fullItemCounts
+ CMP.b #$04 : BNE + ; Eastern Palace
LDA EPLocations : INC : STA EPLocations
JMP .fullItemCounts
+ CMP.b #$06 : BNE + ; Desert Palace
LDA DPLocations : INC : STA DPLocations
JMP .fullItemCounts
+ CMP.b #$08 : BNE + ; Agahnim's Tower
LDA CTLocations : INC : STA CTLocations
JMP .fullItemCounts
+ CMP.b #$0A : BNE + ; Swamp Palace
LDA SPLocations : INC : STA SPLocations
JMP .fullItemCounts
+ CMP.b #$0C : BNE + ; Palace of Darkness
LDA PDLocations : INC : STA PDLocations
JMP .fullItemCounts
+ CMP.b #$0E : BNE + ; Misery Mire
LDA MMLocations : INC : STA MMLocations
JMP .fullItemCounts
+ CMP.b #$10 : BNE + ; Skull Woods
LDA SWLocations : INC : STA SWLocations
JMP .fullItemCounts
+ CMP.b #$12 : BNE + ; Ice Palace
LDA IPLocations : INC : STA IPLocations
JMP .fullItemCounts
+ CMP.b #$14 : BNE + ; Tower of Hera
LDA THLocations : INC : STA THLocations
JMP .fullItemCounts
+ CMP.b #$16 : BNE + ; Thieves' Town
LDA TTLocations : INC : STA TTLocations
JMP .fullItemCounts
+ CMP.b #$18 : BNE + ; Turtle Rock
LDA TRLocations : INC : STA TRLocations
JMP .fullItemCounts
+ CMP.b #$1A : BNE + ; Ganon's Tower
LDA GTLocations : INC : STA GTLocations
LDA BigKeyField : AND #$04 : BNE ++
JSR .incrementGTowerPreBigKey
++
+
; == END INDOOR-ONLY SECTION
.fullItemCounts
LDA BootsEquipment : BNE + ; Check for Boots
LDA PreBootsLocations : INC : STA PreBootsLocations ; Increment Pre Boots Counter
+
LDA MirrorEquipment : BNE + ; Check for Mirror
LDA PreMirrorLocations : INC : STA PreMirrorLocations ; Increment Pre Mirror Counter
+
LDA FluteEquipment : BNE + ; Check for Flute
LDA PreFluteLocations : INC : STA PreFluteLocations ; Increment Pre Mirror Counter
+
LDA TotalItemCounter : INC : STA TotalItemCounter ; Increment Item Total
.itemCounts
CPY.b #$00 : BNE + ; Fighter's Sword & Fighter's Shield
LDX #$01
JSR .incrementSword
JSR .incrementShield
JMP .done
+ CPY.b #$01 : BNE + ; Master Sword
LDX #$02
JSR .incrementSword
JMP .done
+ CPY.b #$02 : BNE + ; Tempered Sword
LDX #$03
JSR .incrementSword
JMP .done
+ CPY.b #$03 : BNE + ; Golden Sword
LDX #$04
JSR .incrementSword
JMP .done
+ CPY.b #$04 : BNE + ; Fighter's Shield
LDX #$01
JSR .incrementShield
JMP .done
+ CPY.b #$05 : BNE + ; Red Shield
LDX #$02
JSR .incrementShield
JMP .done
+ CPY.b #$06 : BNE + ; Mirror Shield
LDX #$03
JSR .incrementShield
JMP .done
+ CPY.b #$07 : !BLT + ; Items $07 - $0D
CPY.b #$0E : !BGE +
JSR .incrementY
JMP .done
+ CPY.b #$14 : BNE + ; Flute (Inactive) - LEAVE THIS ABOVE THE 0F-16 CONDITION - kkat
JSR .stampFlute
JSR .incrementY
JMP .done
+ CPY.b #$0F : !BLT + ; Items $0F - $16
CPY.b #$17 : !BGE +
JSR .incrementY
JMP .done
+ CPY.b #$17 : BNE + ; Heart Piece
JSR .incrementHeartPiece
JMP .done
+ CPY.b #$18 : !BLT + ; Items $18 - $19
CPY.b #$1A : !BGE +
JSR .incrementY
JMP .done
+ CPY.b #$1A : BNE + ; Magic Mirror
JSR .stampMirror
JSR .incrementY
JMP .done
+ CPY.b #$1D : BNE + ; Book of Mudora - LEAVE THIS ABOVE THE 1B-1F CONDITION - kkat
JSR .incrementY
JMP .done
+ CPY.b #$1B : !BLT + ; Items $1B - $1F
CPY.b #$20 : !BGE +
JSR .incrementA
JMP .done
+ CPY.b #$20 : BNE + ; Crystal
JSR .incrementCrystal
JMP .done
+ CPY.b #$21 : BNE + ; Bug Net
JSR .incrementY
JMP .done
+ CPY.b #$22 : BNE + ; Blue Mail
LDX #$01
JSR .incrementMail
+ CPY.b #$23 : BNE + ; Red Mail
LDX #$02
JSR .incrementMail
+ CPY.b #$24 : BNE + ; Small Key
JSR .incrementKey
JMP .done
+ CPY.b #$25 : BNE + ; Compass
JSL MaybeFlagCompassTotalPickup
JSR .incrementCompass
JMP .done
+ CPY.b #$26 : BNE + ; Liar Heart (Container)
;JSR .incrementHeartContainer
JMP .done
+ CPY.b #$27 : BNE + ; 1 Bomb
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$28 : BNE + ; 3 Bombs
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$29 : BNE + ; Mushroom
JSR .incrementY
JMP .done
+ CPY.b #$2A : !BLT + ; Items $2A - $2D
CPY.b #$2E : !BGE +
JSR .incrementY
JMP .done
+ CPY.b #$31 : BNE + ; 10 Bombs
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$32 : BNE + ; Big Key
JSR .incrementBigKey
JMP .done
+ CPY.b #$33 : BNE + ; Map
JSR .incrementMap
JMP .done
+ CPY.b #$37 : !BLT + ; Items $37 - $39 - Pendants
CPY.b #$3A : !BGE +
JSR .incrementPendant
JMP .done
+ CPY.b #$3A : !BLT + ; Items $3A - $3B - Bow & Silver Arrows
CPY.b #$3C : !BGE +
JSR .incrementBow
JMP .done
+ CPY.b #$3C : BNE + ; Bottle w/Bee
JSR .incrementY
JMP .done
+ CPY.b #$3D : BNE + ; Bottle w/Fairy
JSR .incrementY
JMP .done
+ CPY.b #$3E : !BLT + ; Items $3E - $3F - Heart Containers
CPY.b #$40 : !BGE +
JSR .incrementHeartContainer
JMP .done
+ CPY.b #$48 : BNE + ; Bottle w/Gold Bee
JSR .incrementY
JMP .done
+ CPY.b #$49 : BNE + ; Fighter's Sword
LDX #$01
JSR .incrementSword
JMP .done
+ CPY.b #$4A : BNE + ; Flute (Active)
JSR .stampFlute
JSR .incrementY
JMP .done
+ CPY.b #$4B : BNE + ; Pegasus Boots
JSR .stampBoots
JSR .incrementA
JMP .done
+ CPY.b #$4C : BNE + ; 50 Bomb Capacity Upgrade
JSR .incrementCapacity
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$4D : !BLT + ; Items $4D - $4F - Capacity Upgrades
CPY.b #$50 : !BGE +
JSR .incrementCapacity
JMP .done
+ CPY.b #$50 : BNE + ; Master Sword (Safe)
LDX #$02
JSR .incrementSword
JMP .done
+ CPY.b #$51 : BNE + ; 5 Bomb Capacity Upgrade
LDX #$02
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$52 : BNE + ; 10 Bomb Capacity Upgrade
LDX #$02
JSR .maybeIncrementBombs
JMP .done
+ CPY.b #$51 : !BLT + ; Items $51 - $54 - Capacity Upgrades
CPY.b #$55 : !BGE +
JSR .incrementCapacity
JMP .done
+ CPY.b #$58 : BNE + ; Upgrade-Only Silver Arrows
JSR .incrementBow
JMP .done
+ CPY.b #$5E : BNE + ; Progressive Sword
LDA SwordEquipment : TAX
JSR .incrementSword
JMP .done
+ CPY.b #$5F : BNE + ; Progressive Shield
LDA ShieldEquipment : TAX
JSR .incrementShield
JMP .done
+ CPY.b #$60 : BNE + ; Progressive Armor
LDA ArmorEquipment : TAX
JSR .incrementMail
JMP .done
+ CPY.b #$61 : BNE + ; Progressive Lifting Glove
JSR .incrementA
JMP .done
+ CPY.b #$64 : !BLT + ; Items $64 & $65 - Progressive Bow
CPY.b #$66 : !BGE +
JSR .incrementBow
JMP .done
+ CPY.b #$70 : !BLT + ; Items $70 - $7F - Free Maps
CPY.b #$80 : !BGE +
JSR .incrementMap
JMP .done
+ CPY.b #$80 : !BLT + ; Items $80 - $8F - Free Compasses
CPY.b #$90 : !BGE +
JSL MaybeFlagCompassTotalPickup
JSR .incrementCompass
JMP .done
+ CPY.b #$90 : !BLT + ; Items $90 - $9F - Free Big Keys
CPY.b #$A0 : !BGE +
JSR .incrementBigKey
JMP .done
+ CPY.b #$A0 : !BLT + ; Items $A0 - $AF - Free Small Keys
CPY.b #$B0 : !BGE +
JSR .incrementKey
JMP .done
+
.done
PLP : PLX : PLA
RTL
; WHICH BEE IS BOTTLED?
; MAKE SURE FAIRY FOUNTAINS DON'T FUCK THE COUNTS UP
.stampSword
REP #$20 ; set 16-bit accumulator
LDA SwordTime : BNE +
LDA SwordTime+2 : BNE +
LDA NMIFrames : STA SwordTime
LDA NMIFrames+2 : STA SwordTime+2
+
SEP #$20 ; set 8-bit accumulator
RTS
.stampBoots
REP #$20 ; set 16-bit accumulator
LDA BootsTime : BNE +
LDA BootsTime+2 : BNE +
LDA NMIFrames : STA BootsTime
LDA NMIFrames+2 : STA BootsTime+2
+
SEP #$20 ; set 8-bit accumulator
RTS
.stampFlute
REP #$20 ; set 16-bit accumulator
LDA FluteTime : BNE +
LDA FluteTime+2 : BNE +
LDA NMIFrames : STA FluteTime
LDA NMIFrames+2 : STA FluteTime+2
+
SEP #$20 ; set 8-bit accumulator
RTS
.stampMirror
REP #$20 ; set 16-bit accumulator
LDA MirrorTime : BNE +
LDA MirrorTime+2 : BNE +
LDA NMIFrames : STA MirrorTime
LDA NMIFrames+2 : STA MirrorTime+2
+
SEP #$20 ; set 8-bit accumulator
RTS
.incrementSword
JSR .stampSword
LDA HighestSword
INC : STA $04 : CPX $04 : !BLT + ; don't increment unless we're getting a better sword
TXA : STA HighestSword
+
RTS
.incrementShield
LDA HighestShield
INC : STA $04 : CPX $04 : !BLT + ; don't increment unless we're getting a better shield
TXA : STA HighestShield
+
RTS
.incrementBow
LDA BowEquipment : BNE .dontCount ; Don't increment Y item count for extra bows
.incrementY
LDA YAItemCounter : !ADD #$08 : STA YAItemCounter
.dontCount
RTS
.incrementA
LDA YAItemCounter : INC : AND #$07 : TAX
LDA YAItemCounter : AND #$F8 : STA YAItemCounter
TXA : ORA YAItemCounter : STA YAItemCounter
RTS
.incrementPendant
LDA PendantCounter : INC : STA PendantCounter
RTS
.incrementCapacity
LDA CapacityUpgrades : INC : STA CapacityUpgrades
RTS
.incrementHeartPiece
LDA HeartPieceCounter : INC : STA HeartPieceCounter
RTS
.incrementHeartContainer
LDA HeartContainerCounter : INC : STA HeartContainerCounter
RTS
.incrementCrystal
LDA CrystalCounter : INC : STA CrystalCounter
RTS
.incrementMail
LDA HighestMail
INC : STA $04 : CPX $04 : !BLT + ; don't increment unless we're getting a better mail
TXA : STA HighestMail
+
RTS
.incrementKeyLong
JSR .incrementKey
RTL
.incrementKey
LDA SmallKeyCounter : INC : STA SmallKeyCounter
RTS
.incrementCompass
%BottomHalf(MapsCompasses)
RTS
.incrementBigKey
%TopHalf(BigKeysBigChests)
RTS
.incrementGTowerPreBigKey
LDA PreGTBKLocations : INC : STA PreGTBKLocations
RTS
.maybeIncrementBombs
LDA InventoryTracking+1 : AND #$02 : BNE +
LDA InventoryTracking+1 : ORA #$02 : STA InventoryTracking+1
JSR .incrementY
+
RTS
.incrementMap
%TopHalf(MapsCompasses)
RTS
.incrementBossSwordLong
JSR .incrementBossSword
RTL
.incrementBossSword
LDA SwordEquipment
BNE + : -
LDA SwordlessBossKills : INC : STA SwordlessBossKills
RTS
+ CMP #$FF : BEQ -
+ CMP #$01 : BNE +
%TopHalf(SwordBossKills) : RTS
+ CMP #$02 : BNE +
%BottomHalf(SwordBossKills) : RTS
+ CMP #$03 : BNE +
%TopHalf(SwordBossKills+1) : RTS
+ CMP #$04 : BNE +
%BottomHalf(SwordBossKills+1)
+
RTS
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; Link_ReceiveItem_HUDRefresh:
;--------------------------------------------------------------------------------
Link_ReceiveItem_HUDRefresh:
LDA BombsEquipment : BNE + ; skip if we have bombs
LDA BombCapacityUpgrades : !ADD.l StartingMaxBombs : BEQ + ; skip if we can't have bombs
LDA BombsFiller : BEQ + ; skip if we are filling no bombs
DEC : STA BombsFiller ; decrease bomb fill count
LDA.b #$01 : STA BombsEquipment ; increase actual bomb count
+
JSL.l HUD_RefreshIconLong ; thing we wrote over
JSL.l PostItemGet
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; HandleBombAbsorbtion:
;--------------------------------------------------------------------------------
HandleBombAbsorbtion:
STA BombsFiller ; thing we wrote over
LDA $0303 : BNE + ; skip if we already have some item selected
LDA BombCapacityUpgrades : !ADD.l StartingMaxBombs : BEQ + ; skip if we can't have bombs
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 #$02 : BNE + ; boomerang
LDA InventoryTracking : AND.w #$C0 : CMP.w #$C0 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$01 : BNE + ; bow
LDA BowTracking : AND.w #$C0 : CMP.w #$C0 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$05 : BNE + ; powder
LDA InventoryTracking : AND.w #$30 : CMP.w #$30 : BEQ .drawYBubble : BRA .drawNormal
+ CMP.w #$0D : BNE + ; flute
LDA InventoryTracking : 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 $007E, Y
RTS
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; UpgradeFlute:
;--------------------------------------------------------------------------------
UpgradeFlute:
LDA InventoryTracking : AND #$FC : ORA #$01 : STA InventoryTracking ; switch to the working flute
LDA.b #$03 : STA FluteEquipment ; upgrade primary inventory
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; CheckKeys:
;--------------------------------------------------------------------------------
CheckKeys:
LDA.l GenericKeys : BEQ + : RTL : +
LDA $040C : CMP.b #$FF
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; DrawKeyIcon:
;--------------------------------------------------------------------------------
DrawKeyIcon:
LDA $04 : AND.w #$00FF : CMP.w #$0090 : BNE + : LDA.w #$007F : + : ORA.w #$2400 : STA $7EC764
LDA $05 : AND.w #$00FF : ORA.w #$2400 : STA $7EC766
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; LoadKeys:
;--------------------------------------------------------------------------------
LoadKeys:
LDA.l GenericKeys : BEQ +
LDA CurrentGenericKeys
RTL
+
LDA DungeonKeys, X
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; SaveKeys:
;--------------------------------------------------------------------------------
SaveKeys:
PHA
LDA.l GenericKeys : BEQ +
PLA : STA CurrentGenericKeys
RTL
+
PLA : STA DungeonKeys, X
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; ClearOWKeys:
;--------------------------------------------------------------------------------
ClearOWKeys:
PHA
JSL.l TurtleRockEntranceFix
JSL.l FakeWorldFix
JSR.w FixBunnyOnExitToLightWorld
LDA.l GenericKeys : BEQ +
PLA : LDA CurrentGenericKeys : STA CurrentSmallKeys
RTL
+
PLA : STA CurrentSmallKeys
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; GetWitchLootOAMTableIndex
; in: A - Loot ID
; out: A - Loot OAM Table Index
; check if this is even still referenced anywhere
;--------------------------------------------------------------------------------
;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
%GetPossiblyEncryptedItem(WitchItem, SpriteItemValues)
STA $0DA0, Y ; Store item type
JSL.l PrepDynamicTile
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; InitializeBottles:
;--------------------------------------------------------------------------------
InitializeBottles:
STA BottleContents, X ; thing we wrote over
PHA
LDA BottleIndex : BNE +
TXA : INC : STA BottleIndex ; 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 $0DA0, X ; Retrieve stored item type
JSL.l PrepDynamicTile
LDA #$00 : STA.l !REDRAW ; reset redraw flag
BRA .defer
+
LDA $0DA0, X ; Retrieve stored item type
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
%GetPossiblyEncryptedItem(MushroomItem, SpriteItemValues)
STA $0E80, X ; Store item type
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 $0E80, X ; Retrieve stored item type
JSL.l DrawDynamicTile
.done
PLY : PLA
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; CollectPowder:
;--------------------------------------------------------------------------------
CollectPowder:
LDY $0DA0, X ; Retrieve stored item type
BNE +
; if for any reason the item value is 0 reload it, just in case
%GetPossiblyEncryptedItem(WitchItem, SpriteItemValues) : TAY
+
STZ $02E9 ; item from NPC
JSL.l Link_ReceiveItem
;JSL.l FullInventoryExternal
JSL.l ItemSet_Powder
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; RemoveMushroom:
;--------------------------------------------------------------------------------
RemoveMushroom:
LDA InventoryTracking : AND #$DF : STA InventoryTracking ; remove the mushroom
AND #$10 : BEQ .empty ; check if we have powder
LDA.b #$02 : STA PowderEquipment ; give powder if we have it
RTL
.empty
LDA.b #$00 : STA PowderEquipment ; clear the inventory slot if we don't have powder
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; DrawMagicHeader:
;--------------------------------------------------------------------------------
DrawMagicHeader:
LDA MagicConsumption : 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 FluteEquipment ; load shovel/flute item ID
; +
; CMP #$00
;RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; SpawnShovelGamePrizeSFX:
;--------------------------------------------------------------------------------
SpawnShovelGamePrizeSFX:
STA $7FFE00 ; thing we wrote over
PHA
LDA.b #$1B : STA $012F ; play puzzle sound
PLA
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; SpawnChestGamePrizeSFX:
;--------------------------------------------------------------------------------
SpawnChestGamePrizeSFX:
CPX.b #$07 : BNE .normal
LDA $A0 : CMP.b #$06 : BNE .normal
.prize
LDA.b #$1B : STA $012F : RTL ; play puzzle sound
.normal
LDA.b #$0E : STA $012F ; play chest sound
RTL
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; SpawnShovelItem:
;--------------------------------------------------------------------------------
!REDRAW = "$7F5000"
SpawnShovelItem:
LDA.b #$01 : STA !REDRAW
LDA $03FC : BEQ +
JSL DiggingGameGuy_AttemptPrizeSpawn
JMP .skip
+
LDA $035B : AND.b #$01 : BNE + : JMP .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.l .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 $22 : !ADD.l .x_offsets, X
AND.b #$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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