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/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