226 lines
4.9 KiB
NASM
226 lines
4.9 KiB
NASM
; =============================================================================
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; Item Selection Code
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Menu_ItemIndex:
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db $03 ; slingshot
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db $02 ; boomerang
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db $0E ; hookshot
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db $01 ; bombs
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db $11 ; deku mask
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db $0B ; bottle1
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db $04 ; hammer
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db $09 ; lamp
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db $05 ; firerod (nimbus)
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db $06 ; icerod
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db $0F ; bombos / goron
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db $4B ; bottle2
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db $0B ; shovel
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db $07 ; feather
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db $12 ; somaria
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db $0D ; byrna
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db $10 ; bunny hood
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db $8B ; bottle3
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db $0A ; powder
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db $0C ; book
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db $08 ; ocarina
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db $14 ; mirror
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db $13 ; stone mask
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db $CB ; bottle4
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; -----------------------------------------------------------------------------
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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 $7EF348 ; deku mask
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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 (nimbus)
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db $7EF346 ; icerod
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db $7EF347 ; bombos / goron
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db $7EF35D ; bottle2
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db $7EF34F ; shovel
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db $7EF34D ; feather
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db $7EF350 ; somaria
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db $7EF351 ; byrna
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db $7EF349 ; bunny hood
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db $7EF35E ; bottle3
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db $7EF344 ; powder
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db $7EF34E ; book
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db $7EF34C ; ocarina
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db $7EF353 ; mirror
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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 |