132 lines
3.7 KiB
NASM
132 lines
3.7 KiB
NASM
;--------------------------------------------------------------------------------
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; $7F5010 - Scratch Space
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;--------------------------------------------------------------------------------
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; The number of items in a dungeon never changes. use this macro instead of
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; HexToDec when drawing the "??/XX" item counter
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; %DrawConstantNumber(1,4) draws 14
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;--------------------------------------------------------------------------------
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;macro DrawConstantNumber(digit1,digit2)
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; LDA.w #$2490+<digit1> : STA $7EC79A
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; LDA.w #$2490+<digit2> : STA $7EC79C
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; SEP #$20
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;endmacro
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;--------------------------------------------------------------------------------
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DrawDungeonCompassCounts:
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LDX $1B : BNE + : RTL : + ; Skip if outdoors
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; extra hard safeties for getting dungeon ID to prevent crashes
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PHA
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LDA.w $040C : AND.w #$00FE : TAX ; force dungeon ID to be multiple of 2
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PLA
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CPX.b #$1B : BCS .done ; Skip if not in a valid dungeon ID
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CMP.w #$0002 : BEQ ++ ; if CompassMode==2, we don't check for the compass
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LDA CompassField : AND.l DungeonItemMasks, X ; Load compass values to A, mask with dungeon item masks
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BEQ .done ; skip if we don't have compass
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++
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TXA : LSR : TAX
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BNE +
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INC
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+
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LDA.l CompassTotalsWRAM, X : AND #$00FF
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SEP #$20
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JSR HudHexToDec2Digit
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REP #$20
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PHX
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LDX.b $06 : TXA : ORA #$2400 : STA $7EC79A
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LDX.b $07 : TXA : ORA #$2400 : STA $7EC79C
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PLX
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LDA DungeonLocationsChecked, X : AND #$00FF
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SEP #$20
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JSR HudHexToDec2Digit
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REP #$20
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LDX.b $06 : TXA : ORA #$2400 : STA $7EC794 ; Draw the item count
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LDX.b $07 : TXA : ORA #$2400 : STA $7EC796
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LDA.w #$2830 : STA $7EC798 ; draw the slash
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.done
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RTL
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DungeonItemMasks: ; these are dungeon correlations to $7EF364 - $7EF369 so it knows where to store compasses, etc
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dw $8000, $4000, $2000, $1000, $0800, $0400, $0200, $0100
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dw $0080, $0040, $0020, $0010, $0008, $0004
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;CompassCountDungeonHandlers: ; pointers to functions that handle dungeon-specific code
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; dw CompassCount_Escape, CompassCount_Escape ; (hyrule castle, sewers)
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; dw CompassCount_Eastern, CompassCount_Desert, CompassCount_Agah
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; dw CompassCount_Swamp, CompassCount_PoD, CompassCount_Mire
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; dw CompassCount_Skull, CompassCount_Ice, CompassCount_Hera
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; dw CompassCount_Thieves, CompassCount_Trock, CompassCount_Gt
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;}
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;
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;CompassCount_Escape:
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; %DrawConstantNumber(0,8)
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; LDA SewersLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Eastern:
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; %DrawConstantNumber(0,6)
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; LDA EPLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Desert:
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; %DrawConstantNumber(0,6)
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; LDA DPLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Agah:
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; %DrawConstantNumber(0,2)
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; LDA CTLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Swamp:
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; %DrawConstantNumber(1,0)
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; LDA SPLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_PoD:
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; %DrawConstantNumber(1,4)
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; LDA PDLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Mire:
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; %DrawConstantNumber(0,8)
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; LDA MMLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Skull:
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; %DrawConstantNumber(0,8)
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; LDA SWLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Ice:
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; %DrawConstantNumber(0,8)
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; LDA IPLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Hera:
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; %DrawConstantNumber(0,6)
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; LDA THLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Thieves:
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; %DrawConstantNumber(0,8)
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; LDA TTLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Trock:
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; %DrawConstantNumber(1,2)
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; LDA TRLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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;CompassCount_Gt:
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; %DrawConstantNumber(2,7)
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; LDA GTLocations
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; JMP DrawDungeonCompassCounts_return_spot
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;
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