started hud refresh logic
This commit is contained in:
scawful
@@ -2,11 +2,11 @@
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; headsup display
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org $0DFB91
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JSL Hud_Update
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JSL HUD_Update
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RTS
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newIgnoreItemBox:
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JSL Hud_Update_ignoreItemBox
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JSL HUD_Update_ignoreItemBox
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RTS
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org $0DDD21
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@@ -16,10 +16,8 @@ org $0DF1BC
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JSL HUD_AnimateHeartRefill
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RTS
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; =============================================================================
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org $268000
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Hud_Update:
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HUD_Update:
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{
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JSR HUD_UpdateItemBox
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@@ -79,18 +77,17 @@ Hud_Update:
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REP #$30
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; Magic amount indicator (normal, 1/2, or 1/4)
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; LDA $7EF37B : AND.w #$00FF : CMP.w #$0001 : BCC .normalMagicMeter
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LDA $7EF37B : AND.w #$00FF : CMP.w #$0001 : BCC .normalMagicMeter
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; draw 1/2 magic meter
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; LDA.w #$28F7 : STA $7EC704
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; LDA.w #$2851 : STA $7EC706
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; LDA.w #$28FA : STA $7EC708
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LDA.w #$2851 : STA $7EC730
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LDA.w #$28FA : STA $7EC732
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.normalMagicMeter
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; check player magic (ranges from 0 to 0x7F)
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; X = ((MP & 0xFF)) + 7) & 0xFFF8)
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;LDA $7EF36E : AND.w #$00FF : CLC : ADC #$0007 : AND.w #$FFF8 : TAX
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; LDA $7EF36E : AND.w #$00FF : CLC : ADC #$0007 : AND.w #$FFF8 : TAX
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; these four writes draw the magic power bar based on how much MP you have
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; LDA MagicTilemap+0, X : STA $7EC746
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@@ -99,20 +96,20 @@ Hud_Update:
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; LDA MagicTilemap+6, X : STA $7EC806
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; Load how many rupees the player has
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; LDA $7EF362
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LDA $7EF362
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; JSR HexToDecimal
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JSR HexToDecimal
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; REP #$30
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REP #$30
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; The tile index for the first rupee digit
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; LDA $03 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7D0
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LDA $03 : AND.w #$00FF : ORA.w #$2400 : STA $7EC79C
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; The tile index for the second rupee digit
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; LDA $04 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7D2
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LDA $04 : AND.w #$00FF : ORA.w #$2400 : STA $7EC79E
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; The tile index for the third rupee digit
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; LDA $05 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7D4
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LDA $05 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7A0
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; Number of bombs Link has.
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LDA $7EF343 : AND.w #$00FF
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@@ -122,10 +119,10 @@ Hud_Update:
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REP #$30
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; The tile index for the first bomb digit
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LDA $04 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7AE
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LDA $04 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7B0
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; The tile index for the second bomb digit
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LDA $05 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7B0
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LDA $05 : AND.w #$00FF : ORA.w #$2400 : STA $7EC7B2
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; ; Number of Arrows Link has.
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; LDA $7EF377 : AND.w #$00FF
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@@ -168,6 +165,241 @@ Hud_Update:
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RTL
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}
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; =============================================================================
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; *$6DB92-$6DD29 BRANCH LOCATION
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HUD_RefillLogic:
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{
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; Check current rupees (362) against goal rupees (360)
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; goal refers to how many we really have and current refers to the
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; number currently being displayed. When you buy something,
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; goal rupees are decreased by, say, 100, but it takes a while for the
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; current rupees indicator to catch up. When you get a gift of 300
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; rupees, the goal increases, and current has to catch up in the other direction.
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LDA $7EF362
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CMP $7EF360 : BEQ .doneWithRupeesRefill
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BMI .addRupees
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DEC A : BPL .subtractRupees
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LDA.w #$0000 : STA $7EF360
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BRA .subtractRupees
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.addRupees
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; If current rupees <= 1000 (decimal)
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INC A : CMP.w #1000 : BCC .subtractRupees
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; Otherwise just store 999 to the rupee amount
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LDA.w #999 : STA $7EF360
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.subtractRupees
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STA $7EF362
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SEP #$30
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LDA $012E : BNE .doneWithRupeesRefill
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; looks like a delay counter of some sort between
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; invocations of the rupee fill sound effect
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LDA $0CFD : INC $0CFD : AND.b #$07 : BNE .skipRupeeSound
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LDA.b #$29 : STA $012E
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BRA .skipRupeeSound
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.doneWithRupeesRefill
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SEP #$30
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STZ $0CFD
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.skipRupeeSound
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LDA $7EF375
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BEQ .doneRefillingBombs
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; decrease the bomb refill counter
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LDA $7EF375 : DEC A : STA $7EF375
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; use the bomb upgrade index to know what max number of bombs Link can carry is
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LDA $7EF370 : TAY
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; if it matches the max, you can't have no more bombs, son. It's the law.
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LDA $7EF343 : CMP $DB48, Y : BEQ .doneRefillingBombs
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; You like bombs? I got lotsa bombs!
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INC A : STA $7EF343
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.doneRefillingBombs
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; check arrow refill counter
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LDA $7EF376
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BEQ .doneRefillingArrows
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LDA $7EF376 : DEC A : STA $7EF376
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; check arrow upgrade index to see how our max limit on arrows, just like bombs.
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LDA $7EF371 : TAY
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LDA $7EF377 : CMP $DB58, Y
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; I reckon you get no more arrows, pardner.
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BEQ .arrowsAtMax
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INC A : STA $7EF377
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.arrowsAtMax
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; see if we even have the bow.
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LDA $7EF340
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BEQ .doneRefillingArrows
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AND.b #$01 : CMP.b #$01
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BNE .doneRefillingArrows
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; changes the icon from a bow without arrows to a bow with arrows.
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LDA $7EF340 : INC A : STA $7EF340
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JSL $0DDB7F
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.doneRefillingArrows
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; a frozen Link is an impervious Link, so don't beep.
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LDA $02E4
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BNE .doneWithWarningBeep
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; if heart refill is in process, we don't beep
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LDA $7EF372
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BNE .doneWithWarningBeep
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LDA $7EF36C : LSR #3 : TAX
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; checking current health against capacity health to see
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; if we need to put on that annoying beeping noise.
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LDA $7EF36D : CMP $DB60, X
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BCS .doneWithWarningBeep
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LDA $04CA
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BNE .decrementBeepTimer
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; beep incessantly when life is low
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LDA $012E
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BNE .doneWithWarningBeep
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LDA.b #$20 : STA $04CA
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LDA.b #$2B : STA $012E
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.decrementBeepTimer
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; Timer for the low life beep sound
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DEC $04CA
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.doneWithWarningBeep
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; if nonzero, indicates that a heart is being "flipped" over
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; as in, filling up, currently
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LDA $020A
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BNE .waitForHeartFillAnimation
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; If no hearts need to be filled, branch
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LDA $7EF372
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BEQ .doneRefillingHearts
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; check if actual health matches capacity health
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LDA $7EF36D : CMP $7EF36C
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BCC .notAtFullHealth
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; just set health to full in the event it overflowed past 0xA0 (20 hearts)
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LDA $7EF36C : STA $7EF36D
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; done refilling health so deactivate the health refill variable
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LDA.b #$00 : STA $7EF372
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BRA .doneRefillingHearts
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.notAtFullHealth
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; refill health by one heart
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LDA $7EF36D : CLC : ADC.b #$08 : STA $7EF36D
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LDA $012F
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BNE .soundChannelInUse
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; play heart refill sound effect
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LDA.b #$0D : STA $012F
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.soundChannelInUse
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; repeat the same logic from earlier, checking if health's at max and setting it to max
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; if it overflowed
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LDA $7EF36D : CMP $7EF36C
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BCC .healthDidntOverflow
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LDA $7EF36C : STA $7EF36D
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.healthDidntOverflow
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; subtract a heart from the refill variable
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LDA $7EF372 : SEC : SBC.b #$08 : STA $7EF372
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; activate heart refill animation
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; (which will cause a small delay for the next heart if we still need to fill some up.)
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INC $020A
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LDA.b #$07 : STA $0208
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.waitForHeartFillAnimation
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REP #$30
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LDA.w #$FFFF : STA $0E
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JSL HUD_Update_ignoreHealth
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JSL HUD_AnimateHeartRefill
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SEP #$30
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INC $16
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PLB
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RTL
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.doneRefillingHearts
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REP #$30
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LDA.w #$FFFF : STA $0E
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JSL HUD_Update_ignoreItemBox
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SEP #$30
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INC $16
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PLB
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RTL
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}
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; =============================================================================
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; *$6F14F-$6F1B2 LOCAL
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@@ -223,33 +455,34 @@ HUD_AnimateHeartRefill:
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RTS
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}
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; ============================================================================
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; *$6FAFD-$6FB90 LOCAL
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HUD_UpdateItemBox:
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{
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SEP #$30
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; ; Dost thou haveth the the bow?
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; LDA $7EF340 : BEQ .havethNoBow
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; Dost thou haveth the the bow?
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LDA $7EF340 : BEQ .havethNoBow
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; ; Dost thou haveth the silver arrows?
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; ; (okay I'll stop soon)
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; CMP.b #$03 : BCC .havethNoSilverArrows
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; Dost thou haveth the silver arrows?
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; (okay I'll stop soon)
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; CMP.b #$03 : BCC .havethNoSilverArrows
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; ; Draw the arrow guage icon as silver rather than normal wood arrows.
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; Draw the arrow guage icon as silver rather than normal wood arrows.
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; LDA.b #$86 : STA $7EC71E
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; LDA.b #$24 : STA $7EC71F
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; LDA.b #$87 : STA $7EC720
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; LDA.b #$24 : STA $7EC721
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; LDX.b #$04
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LDX.b #$04
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; ; check how many arrows the player has
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; LDA $7EF377 : BNE .drawBowItemIcon
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; check how many arrows the player has
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LDA $7EF377 : BNE .drawBowItemIcon
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; LDX.b #$03
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LDX.b #$03
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; BRA .drawBowItemIcon
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BRA .drawBowItemIcon
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; .havethNoSilverArrows
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@@ -259,16 +492,16 @@ HUD_UpdateItemBox:
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; LDX.b #$01
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; .drawBowItemIcon
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.drawBowItemIcon
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; ; values of X correspond to how the icon will end up drawn:
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; ; 0x01 - normal bow with no arrows
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; ; 0x02 - normal bow with arrows
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; ; 0x03 - silver bow with no silver arrows
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; ; 0x04 - silver bow with silver arrows
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; TXA : STA $7EF340
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; values of X correspond to how the icon will end up drawn:
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; 0x01 - normal bow with no arrows
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; 0x02 - normal bow with arrows
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; 0x03 - silver bow with no silver arrows
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; 0x04 - silver bow with silver arrows
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TXA : STA $7EF340
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; .havethNoBow
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.havethNoBow
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REP #$30
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@@ -297,10 +530,10 @@ HUD_UpdateItemBox:
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LDA $02 : ASL #3 : TAY
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; These addresses form the item box graphics.
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LDA ($04), Y : STA $7EC774 : INY #2
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LDA ($04), Y : STA $7EC776 : INY #2
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LDA ($04), Y : STA $7EC7B4 : INY #2
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LDA ($04), Y : STA $7EC778 : INY #2
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LDA ($04), Y : STA $7EC7B6 : INY #2
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LDA ($04), Y : STA $7EC7B8 : INY #2
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.noEquippedItem
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@@ -427,33 +660,34 @@ HUD_Tilemap:
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{
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F
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; magic bar top part
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dw $340B, $340C, $340C, $340C, $340C, $340C
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dw $200B, $200C, $200C, $200C, $200C, $200C
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; item frame top part
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dw $346C, $346D, $346E, $346F
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dw $206C, $206D, $206E, $206F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F
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dw $341B, $2015
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dw $2015, $2015, $2015, $2015
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; magic bar
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dw $201B, $344B
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dw $344B, $344B, $344B, $344B
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; item frame left part
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dw $34DE, $207F, $207F, $34DF
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dw $20DE, $207F, $207F, $20DF
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F
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; magic bar bottom part
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dw $B40B, $B40C
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dw $B40C, $B40C, $B40C, $B40C
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dw $A00B, $A00C
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dw $A00C, $A00C, $A00C, $A00C
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; item frame right part
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dw $34EE, $207F, $207F, $34EF
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dw $20EE, $207F, $207F, $20EF
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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@@ -461,7 +695,7 @@ HUD_Tilemap:
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dw $207F, $207F, $207F, $207F
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; item frame bottom part
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dw $347C, $347D, $347E, $341D
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dw $207C, $207D, $207E, $201D
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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dw $207F, $207F, $207F, $207F, $207F, $207F, $207F, $207F
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