Files
alttpr-baserom/compasses.asm
cassidoxa 7426ce5945 More RAM labels
Fixed tablets checking for item collected, uses NpcFlags+1
Deleted mantle.asm, moved to lampmantlecone.asm
2022-11-24 18:34:35 -05:00

53 lines
1.6 KiB
NASM

DrawDungeonCompassCounts:
LDX.b IndoorsFlag : BNE + : RTL : + ; Skip if outdoors
; extra hard safeties for getting dungeon ID to prevent crashes
PHA
LDA.w DungeonID : AND.w #$00FE : TAX ; force dungeon ID to be multiple of 2
PLA
CPX.b #$1B : BCS .done ; Skip if not in a valid dungeon ID
BIT.w #$0002 : BNE ++ ; if CompassMode==2, we don't check for the compass
LDA.l CompassField : AND.l DungeonItemMasks, X ; Load compass values to A, mask with dungeon item masks
BEQ .done ; skip if we don't have compass
++
TXA : LSR : TAX
BNE +
INC
+
LDA.l CompassTotalsWRAM, X : AND.w #$00FF
SEP #$20
JSR HudHexToDec2Digit
REP #$20
PHX
LDX.b Scrap06 : TXA : ORA.w #$2400 : STA.l HUDTileMapBuffer+$9A
LDX.b Scrap07 : TXA : ORA.w #$2400 : STA.l HUDTileMapBuffer+$9C
PLX
LDA.l DungeonLocationsChecked, X : AND.w #$00FF
SEP #$20
JSR HudHexToDec2Digit
REP #$20
LDX.b Scrap06 : TXA : ORA.w #$2400 : STA.l HUDTileMapBuffer+$94 ; Draw the item count
LDX.b Scrap07 : TXA : ORA.w #$2400 : STA.l HUDTileMapBuffer+$96
LDA.w #$2830 : STA.l HUDTileMapBuffer+$98 ; draw the slash
.done
RTL
DungeonItemMasks: ; these are dungeon correlations to $7EF364 - $7EF369 so it knows where to store compasses, etc
dw $8000, $4000, $2000, $1000, $0800, $0400, $0200, $0100
dw $0080, $0040, $0020, $0010, $0008, $0004
;--------------------------------------------------------------------------------
InitCompassTotalsRAM:
LDX.b #$00
-
LDA.l CompassTotalsROM, X : STA.l CompassTotalsWRAM, X
INX
CPX.b #$0F : !BLT -
RTL