Dungeon reminder added to hud for Crossed dungeons

Blinking red square added to hud and it indicates a boss room is close by. Only appears if you have the compass. (Basic & Crossed)
Key counters added to hud if you have found the map. (Crossed only)

asm/doorrando.asm

@@ -21,6 +21,7 @@ incsrc keydoors.asm
 incsrc overrides.asm
 ;incsrc edges.asm
 ;incsrc math.asm
+incsrc hudadditions.asm
 warnpc $279000
 
 ; Data Section

asm/doortables.asm

@@ -540,4 +540,23 @@ db $a0,$a0,$50 ; DP Main Lobby
 db $58,$50,$30, $98,$50,$70 ; TT Ambush
 db $58,$50,$30 ; TT Nook
 MultDivInfo: ; (1placeholder, 1, 2, 3, 4, 5, 6, 10, 20)
-db $01, $01, $02, $03, $04, $05, $06, $0a, $14
+db $01, $01, $02, $03, $04, $05, $06, $0a, $14
+
+
+; dungeon tables
+;   HC   HC   EP   DP   AT   SP   PD   MM   SW   IP   TH   TT   TR   GT
+org $27f000
+CompassBossIndicator:
+dw $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000, $0000
+TotalKeys: ;27f01c
+db $04, $04, $02, $04, $04, $06, $06, $06, $05, $06, $01, $03, $06, $08
+ChestKeys: ;27f02a
+db $01, $01, $00, $01, $02, $01, $06, $03, $03, $02, $01, $01, $04, $04
+OtherKeys: ;27f038
+db $03, $03, $02, $03, $02, $05, $00, $03, $02, $04, $00, $02, $02, $04
+BigKeyStatus: ;27f046 (status 2 indicate BnC guard)
+db $02, $02, $01, $01, $00, $01, $01, $01, $01, $01, $01, $01, $01, $01
+DungeonReminderTable: ;27f054
+dw $2D50, $2D50, $2D51, $2D52, $2D54, $2D56, $2D55, $2D5A, $2D57, $2D59, $2D53, $2D58, $2D5B, $2D5C
+;27f070
+

asm/drhooks.asm

@@ -89,6 +89,13 @@ jsl FixShopCode
 org $1ddeea ; <- Bank1D.asm : 286 (JSL Sprite_LoadProperties)
 jsl VitreousKeyReset
 
+; also rando's hooks.asm line 1360
+org $a0ee11 ; <- 6FC4C - headsup_display.asm : 836 (LDA $7EF36E : AND.w #$00FF : ADD.w #$0007 : AND.w #$FFF8 : TAX)
+jsl DrHudOverride
+org $098638 ; rando's hooks.asm line 2192
+jsl CountChestKeys
+org $06D192 ; rando's hooks.asm line 457
+jsl CountAbsorbedKeys
 
 ; These two, if enabled together, have implications for vanilla BK doors in IP/Hera/Mire
 ; IPBJ is common enough to consider not doing this. Mire is not a concern for vanilla - maybe glitched modes

asm/hudadditions.asm

@@ -0,0 +1,63 @@
+DrHudOverride:
+{
+	jsl.l NewDrawHud
+	jsr HudAdditions
+	rtl
+}
+
+HudAdditions:
+{
+    ldx $040c : cpx #$ff : bne + : rts : +
+    lda DRMode : bne + : rts : +
+        phb : phk : plb
+        lda $7ef364 : and.l $0098c0, x : beq +
+            lda CompassBossIndicator, x : and #$00ff : cmp $a0 : bne +
+                lda $1a : and #$0010 : beq +
+                    lda #$345e : sta $7ec790 : bra .next
+        + lda #$207f : sta $7ec790
+    .next lda DRMode : and #$0002 : beq .restore
+            lda DungeonReminderTable, x : sta $7ec702
+            lda $7ef368 : and.l $0098c0, x : beq .restore
+                txa : lsr : tax
+                lda $7ef4b0, x : jsr ConvertToDisplay : sta $7ec7a2
+                lda #$2830 : sta $7ec7a4
+                lda TotalKeys, x : jsr ConvertToDisplay : sta $7ec7a6
+
+                lda $7ef4e0, x : jsr ConvertToDisplay : sta $7ec7e2
+                lda #$2830 : sta $7ec7e4
+                lda ChestKeys, x : jsr ConvertToDisplay : sta $7ec7e6
+    .restore
+    plb : rts
+}
+
+ConvertToDisplay:
+    and #$00ff : cmp #$000a : !blt +
+        !add #$2553 : rts
+    + !add #$2490 : rts
+
+; and $18c0, x
+;207f is blank
+
+CountChestKeys:
+    jsl ItemDowngradeFix
+    cpy #$24 : beq +
+    cpy #$a0 : !blt .end
+    cpy #$ae : !bge .end
+        pha : phx
+        tya : and #$0f : bne ++
+            inc a
+        ++ tax : bra .count
+    + pha : phx
+    lda $040c : lsr : tax
+    .count
+    lda $7ef4b0, x : inc : sta $7ef4b0, x
+    lda $7ef4e0, x : inc : sta $7ef4e0, x
+    .restore plx : pla
+    .end rtl
+
+CountAbsorbedKeys:
+    jsl IncrementSmallKeysNoPrimary : phx
+    lda $040c : cmp #$ff : beq +
+        lsr : tax
+        lda $7ef4b0, x : inc : sta $7ef4b0, x
+    + plx : rtl