136 lines
3.8 KiB
NASM
136 lines
3.8 KiB
NASM
; =========================================================
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; Bunny Hood Item
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; Makes Link run quicker when holding
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; Written by Conn (I think)
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; $7EF349 bunny hood RAM slot
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;
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; Adjustable speed table at the end
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; db (0) $18: - Horizontal and vertical walking speed
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; (Default = 18)
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; db (1) $10 - Diagonal walking speed
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; (Default = 10)
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; db (2) $0a - Stairs walking speed
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; (Default = 0A)
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; db (0c) $14 - walking through heavy grass speed (also shallow water)
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; (Default = 14)
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; db (0d) $0d - walking diagonally through heavy grass speed (also shallow water)
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; (Default = 0D)
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; db (10) $40 - Pegasus boots speed (Default = 40)
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;
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; =========================================================
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UpdateBunnyPalette:
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{
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REP #$30 ; change 16bit mode
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LDX #$001E
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.loop
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LDA.l bunny_palette, X
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PHX
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STA.l TimeState.SubColor
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JSL ColorSubEffect
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PLX
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STA $7EC6E0, X
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DEX : DEX : BPL .loop
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SEP #$30 ; go back to 8 bit mode
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INC $15 ; update the palette
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RTL ; or RTS depending on where you need it
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}
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; =========================================================
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bunny_palette:
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dw $7BDE, $7FFF, $2F7D, $19B5, $3A9C, $14A5, $19FD, $14B6
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dw $55BB, $362A, $3F4E, $162B, $22D0, $2E5A, $1970, $7616
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dw $6565, $7271, $2AB7, $477E, $1997, $14B5, $459B, $69F2
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dw $7AB8, $2609, $19D8, $3D95, $567C, $1890, $52F6, $2357, $0000
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print "End of Bunny Hood GFX ", pc
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; =========================================================
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; Bunny Hood Speed Modification
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; Link_HandleVelocity_load_subvel
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org $07E330
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JSR Link_CheckForBunnyRun
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CLC
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pullpc
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Link_CheckForBunnyRun:
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JSL LinkState_BunnyHoodRun
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RTS
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pushpc
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SubVelocityValues = $87E227
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org $20AF20
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LinkState_BunnyHoodRun:
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{
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CPX.b #$11 : BCS .end ; speed value upper bound check
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LDA.w $0202 ; check the current item
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CMP.b #$16 : BNE .end ; is it the bunny hood?
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LDA.w !CurrentMask : CMP.b #$04 : BNE .end
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LDA.l BunnySpeedTable, X ; load new speed values
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CLC
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RTL
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.end
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LDA.l SubVelocityValues, X ; load native speed values
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CLC
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RTL
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}
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org $20AF70 ; this selects the new speed values
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BunnySpeedTable:
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{
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db $20 ; 0x00 - walking on ground
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db $12 ; 0x01 - walking diagonally
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db $0A ; 0x02 - walking on stairs
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db $18 ; 0x03 - walking on stairs diagonally, impossible to reach
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db $10 ; 0x04 - soft slipping
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db $08 ; 0x05 - soft slipping diagonally
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db $08 ; 0x06 - entering underworld/hard slipping
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db $04 ; 0x07 - hard slipping diagonally
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db $0C ; 0x08 - pushing statue
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db $10 ; 0x09 - pushing statue diagonally
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db $09 ; 0x0A - intraroom stairs
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db $19
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db $14 ; 0x0C - walking with sword out/carrying/sloshing
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db $0D ; 0x0D - walking with sword out/carrying/sloshing diagonally
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db $10 ; 0x0E - sword out/carry sloshing
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db $08 ; 0x0F - sword out/carry sloshing diagonally
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db $40 ; 0x10 - dashing
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db $2A ; 0x11 - dashing diagonally
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db $10 ; 0x12 - pushing block
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db $08 ; 0x13 - pushing block diagonally
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db $04 ; 0x14 - pulling statue/walking to triforce
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db $02 ; 0x15 - pulling statue diagonally
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db $30 ; 0x16 - slosh dashing
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db $18 ; 0x17 - slosh dashing diagonally
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db $20 ; 0x18 - dashing on ice
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db $15 ; 0x19 - dashing on ice diagonally
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db $F0 ; 0x1A -
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db $00 ; 0x1B -
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db $F0 ; 0x1C -
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db $01 ; 0x1D -
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}
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; =========================================================
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; Press R to transform into bunny form and run faster.
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; =========================================================
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org $07A494
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LinkItem_Ether:
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{
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LDA #$04
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JSL Link_TransformMask
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LDA $0114 : CMP.b #$20 : BNE +
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LDA.b #$03 : STA $5B
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JSR $9427
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+
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RTS
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}
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assert pc() <= $07A4F6
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