214 lines
5.1 KiB
NASM
214 lines
5.1 KiB
NASM
; =============================================================================
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; Item Selection Code
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; Decides which function to jump to.
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Menu_ItemIndex:
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; Bow, Boomerang, Hookshot, Bombs, Powder, Bottle 1
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db $03, $02, $0E, $01, $0A, $0B
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; Hammer, Lamp, Fire Rod, Ice Rod, Mirror, Bottle 2
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db $04, $09, $05, $06, $14, $4B
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; Ocarina, Book, Somaria, Byrna, Feather, Bottle3
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db $08, $0C, $12, $0D, $07, $8B
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; Deku, Zora, Wolf, Bunny Hood, Stone Mask, Bottle4
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db $11, $0F, $08, $10, $13, $CB
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; -----------------------------------------------------------------------------
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; Decides which graphics is drawn
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Menu_AddressIndex:
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db $7EF340 ; bow
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db $7EF341 ; boom
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db $7EF342 ; hookshot
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db $7EF343 ; bombs
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db $7EF344 ; powder
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db $7EF35C ; bottle1
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db $7EF34B ; hammer
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db $7EF34A ; lamp
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db $7EF345 ; firerod
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db $7EF346 ; icerod
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db $7EF353 ; mirror
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db $7EF35D ; bottle2
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db $7EF34C ; shovel 7EF34F
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db $7EF34E ; book
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db $7EF350 ; somaria
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db $7EF351 ; byrna
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db $7EF34D ; feather
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db $7EF35E ; bottle3
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db $7EF348 ; deku mask
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db $7EF347 ; Zora Mask
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db $7EF349 ; Bunny Hood
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db $7EF34C ; ocarina
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db $7EF352 ; stone mask
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db $7EF35F ; bottle4
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; -----------------------------------------------------------------------------
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Menu_ItemCursorPositions:
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dw menu_offset(6,2) ; bow
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dw menu_offset(6,5) ; boom
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dw menu_offset(6,8) ; hookshot
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dw menu_offset(6,12) ; bombs
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dw menu_offset(6,15) ; deku mask
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dw menu_offset(6,18) ; bottle1
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dw menu_offset(9,2) ; hammer
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dw menu_offset(9,5) ; lamp
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dw menu_offset(9,8) ; firerod
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dw menu_offset(9,12) ; icerod
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dw menu_offset(9,15) ; goron
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dw menu_offset(9,18) ; bottle2
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dw menu_offset(12,2) ; shovel
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dw menu_offset(12,5) ; feather
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dw menu_offset(12,8) ; somaria
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dw menu_offset(12,12) ; byrna
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dw menu_offset(12,15) ; bunny hood
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dw menu_offset(12,18) ; bottle3
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dw menu_offset(15,2) ; powder
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dw menu_offset(15,5) ; book
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dw menu_offset(15,8) ; flute
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dw menu_offset(15,12) ; mirror
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dw menu_offset(15,15) ; stone mask
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dw menu_offset(15,18) ; bottle4
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; -----------------------------------------------------------------------------
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Menu_FindNextItem:
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{
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LDY.w $0202 : INY
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CPY.b #$19 : BCC .no_reset
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LDY.b #$01
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.no_reset
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STY.w $0202
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LDX.w Menu_AddressIndex-1, Y
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LDA.l $7EF300, X
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BEQ Menu_FindNextItem
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RTS
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}
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; -----------------------------------------------------------------------------
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Menu_FindPrevItem:
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{
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LDY.w $0202 : DEY : BNE .no_reset
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LDY.b #$18
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.no_reset
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STY.w $0202
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LDX.w Menu_AddressIndex-1, Y
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LDA.l $7EF300, X
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BEQ Menu_FindPrevItem
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RTS
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}
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; -----------------------------------------------------------------------------
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Menu_FindNextDownItem:
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{
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LDA.w $0202 : CLC : ADC.b #$06
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CMP.b #$19 : BCC .no_reset
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SBC.b #$18
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.no_reset
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TAY : STY.w $0202
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LDX.w Menu_AddressIndex-1, Y
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LDA.l $7EF300, X
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BEQ Menu_FindNextItem
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RTS
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}
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; -----------------------------------------------------------------------------
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Menu_FindNextUpItem:
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{
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LDA.w $0202 : SEC : SBC.b #$06
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BPL .no_reset : BNE .no_reset
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CLC : ADC.b #$18
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.no_reset
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TAY : STY.w $0202
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LDX.w Menu_AddressIndex-1, Y
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LDA.l $7EF300, X
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BEQ Menu_FindNextItem
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RTS
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}
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; -----------------------------------------------------------------------------
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Menu_DeleteCursor:
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{
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REP #$30
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LDX.w Menu_ItemCursorPositions-2, Y
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LDA.w #$20F5
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STA.w $1108, X
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STA.w $1148, X
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STA.w $114E, X
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STA.w $110E, X
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STA.w $11C8, X
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STA.w $1188, X
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STA.w $118E, X
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STA.w $11CE, X
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SEP #$30
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STZ $0207
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RTS
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}
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; -----------------------------------------------------------------------------
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Menu_InitItemScreen:
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{
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SEP #$30
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LDY.w $0202 : BNE .all_good
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.loop
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INY : CPY.b #$25 : BCS .bad
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LDX.w Menu_AddressIndex-1, Y
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LDA.l $7EF300, X
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BEQ .loop
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STY.w $0202
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BRA .all_good
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.bad
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STZ.w $0202
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.all_good
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STZ $0207
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LDA.b #$04
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STA.w $0200
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RTS
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}
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; -----------------------------------------------------------------------------
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; $0303[0x01] - (Player)
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; In conjunction with the above variable when set to 0x13, matching the above
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; variable, the cape transformation is complete.
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; This indicates which secondary item is equipped (aka Y-button
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; item).
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; 0x00 - Nothing
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; 0x01 - Bombs
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; 0x02 - Boomerang
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; 0x03 - Arrows
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; 0x04 - Hammer
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; 0x05 - Fire Rod
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; 0x06 - Ice Rod
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; 0x07 - Bug catching net
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; 0x08 - Flute
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; 0x09 - Lamp
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; 0x0A - Magic Powder
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; 0x0B - Bottle
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; 0x0C - Book of Mudora
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; 0x0D - Cane of Byrna
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; 0x0E - Hookshot
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; 0x0F - Bombos Medallion
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; 0x10 - Ether Medallion
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; 0x11 - Quake Medallion
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; 0x12 - Cane of Somaria
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; 0x13 - Cape
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; 0x14 - Magic Mirror |