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Implement item table encryption

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This commit is contained in:
Kevin Cathcart
2018-07-08 16:38:45 -04:00
parent bc2d9d95a5
commit 14783a12e0
11 changed files with 214 additions and 68 deletions
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15
npcitems.asm
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@@ -155,19 +155,14 @@ RTL
ItemSet_Mushroom:
PHA
LDA !NPC_FLAGS_2 : ORA.b #$10 : STA !NPC_FLAGS_2
LDA.l MushroomItem : TAY
LDY $0DA0, X ; Retrieve stored item type
PLA
;LDY.b #$29
STZ $02E9 ; thing we wrote over - the mushroom is an npc for item purposes apparently
RTL
ItemSet_Powder:
PHA
LDA !NPC_FLAGS_2 : ORA.b #$20 : STA !NPC_FLAGS_2
LDA.l WitchItem : TAY
PLA
;LDY.b #$0D
STZ $02E9 ; thing we wrote over
PHA : LDA !NPC_FLAGS_2 : ORA.b #$20 : STA !NPC_FLAGS_2 : PLA
RTL
;================================================================================
@@ -181,10 +176,12 @@ Set300RupeeNPCItem:
REP #$20 ; set 16-bit accumulator
LDA $A0 ; these are all decimal because i got them that way
CMP.w #291 : BNE +
LDA RupeeNPC_MoldormCave : TAY ; load moldorm cave value into Y
%GetPossiblyEncryptedItem(RupeeNPC_MoldormCave, SpriteItemValues)
TAY ; load moldorm cave value into Y
BRA .done
+ CMP.w #286 : BNE +
LDA RupeeNPC_NortheastDarkSwampCave : TAY ; load northeast dark swamp cave value into Y
%GetPossiblyEncryptedItem(RupeeNPC_NortheastDarkSwampCave, SpriteItemValues)
TAY ; load northeast dark swamp cave value into Y
BRA .done
+
LDY.b #$46 ; default to a normal 300 rupees