94 lines
3.6 KiB
NASM
94 lines
3.6 KiB
NASM
LoadRoomHook:
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JSL $01873A ; Dungeon_LoadRoom (Bank01.asm:726)
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REP #$10 ; 16 bit XY
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LDX $A0 ; Room ID
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LDA RoomCallbackTable, X
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SEP #$10 ; 8 bit XY
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JSL $00879c ; UseImplicitRegIndexedLocalJumpTable
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; Callback routines:
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dl NoCallback ; 00
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dl IcePalaceBombosSE ; 01
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dl IcePalaceBombosSW ; 02
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dl IcePalaceBombosNE ; 03
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NoCallback:
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RTL
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!RL_TILE = 2
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!RL_LINE = 128
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macro setTilePointer(roomX, roomY, quadX, quadY)
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; Left-to-right math. Should be equivalent to 0x7e2000+(roomX*2)+(roomY*128)+(quadX*64)+(quadY*4096)
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LDX.w #<quadY>*32+<roomY>*2+<quadX>*32+<roomX>*2
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endmacro
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macro writeTile()
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STA.l $7E2000,x
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INX #2
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endmacro
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!BOMBOS_BORDER = #$08D0
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!BOMBOS_ICON_1 = #$0CCA
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!BOMBOS_ICON_2 = #$0CCB
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!BOMBOS_ICON_3 = #$0CDA
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!BOMBOS_ICON_4 = #$0CDB
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macro DrawBombosPlatform(roomX, roomY, quadX, quadY)
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REP #$30 ; 16 AXY
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%setTilePointer(<roomX>, <roomY>, <quadX>, <quadY>)
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LDA.w !BOMBOS_BORDER
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%writeTile()
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%writeTile()
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%writeTile()
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%writeTile()
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%setTilePointer(<roomX>, <roomY>+1, <quadX>, <quadY>)
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%writeTile()
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LDA.w !BOMBOS_ICON_1 : %writeTile()
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LDA.w !BOMBOS_ICON_2 : %writeTile()
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LDA.w !BOMBOS_BORDER : %writeTile()
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%setTilePointer(<roomX>, <roomY>+2, <quadX>, <quadY>)
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%writeTile()
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LDA.w !BOMBOS_ICON_3 : %writeTile()
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LDA.w !BOMBOS_ICON_4 : %writeTile()
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LDA.w !BOMBOS_BORDER : %writeTile()
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%setTilePointer(<roomX>, <roomY>+3, <quadX>, <quadY>)
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%writeTile()
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%writeTile()
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%writeTile()
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%writeTile()
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SEP #$30 ; 8 AXY
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endMacro
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IcePalaceBombosSE:
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%DrawBombosPlatform(14, 18, 1, 1)
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RTL
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IcePalaceBombosSW:
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%DrawBombosPlatform(14, 18, 0, 1)
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RTL
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IcePalaceBombosNE:
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%DrawBombosPlatform(14, 18, 1, 0)
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RTL
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RoomCallbackTable:
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $01, $00 ; 00x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 01x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 02x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 03x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 04x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 05x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 06x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $02, $00 ; 07x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 08x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 09x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Ax
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Bx
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Cx
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $03, $00 ; 0Dx
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Ex
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Fx
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Fx
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 10x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 11x
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db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 12x |