identified some lap count addresses used in competition mode

Lockon S3/Screen Events.asm

@@ -102,7 +102,7 @@ CGZ_BackgroundInit:
 		move.w	d0,(Events_bg+$04).w
 		move.w	d0,(Events_bg+$06).w
 		moveq	#0,d0
-		move.b	(_unkFEDA).w,d0
+		move.b	(Competition_total_laps).w,d0
 		addq.w	#1,d0
 		lsl.w	#8,d0
 		subi.w	#$70,d0

sonic3k.asm

@@ -73982,8 +73982,8 @@ Obj_2PGoalMarker:
 		lsl.w	#3,d0
 		subi.w	#$14,d0
 		move.w	d0,$38(a0)
-		move.b	#5,(_unkFEDA).w
-		clr.w	(_unkFEDC).w
+		move.b	#5,(Competition_total_laps).w
+		clr.w	(Competition_lap_count).w
 		clr.w	(Events_bg+$14).w
 		clr.b	(Update_HUD_timer).w
 		clr.l	(Timer).w
@@ -74028,13 +74028,13 @@ loc_36CEA:
 		move.w	$10(a0),d1
 		lea	$34(a0),a2
 		lea	(Player_1).w,a1
-		lea	(_unkFEDC).w,a3
+		lea	(Competition_lap_count).w,a3
 		lea	(_unkF74A).w,a4
 		lea	(Timer).w,a5
 		lea	($FF7828).l,a6
 		bsr.w	sub_36DFC
 		lea	(Player_2).w,a1
-		lea	(_unkFEDD).w,a3
+		lea	(Competition_lap_count_2P).w,a3
 		lea	(_unkF74B).w,a4
 		lea	(Timer_P2).w,a5
 		lea	($FF7840).l,a6
@@ -74072,7 +74072,7 @@ loc_36D3E:
 		move.w	#0,$32(a1)
 
 loc_36DC0:
-		clr.w	(_unkFEDC).w
+		clr.w	(Competition_lap_count).w
 		clr.b	(Update_HUD_timer).w
 		clr.l	(Timer).w
 		clr.b	(_unkFEC7).w
@@ -74336,10 +74336,10 @@ loc_37086:
 		move.l	#loc_37092,(a0)
 
 loc_37092:
-		move.b	(_unkFEDC).w,d0
-		cmp.b	(_unkFEDA).w,d0
+		move.b	(Competition_lap_count).w,d0
+		cmp.b	(Competition_total_laps).w,d0
 		ble.s	loc_370A0
-		move.b	(_unkFEDA).w,d0
+		move.b	(Competition_total_laps).w,d0
 
 loc_370A0:
 		subi.b	#$A,d0
@@ -74350,10 +74350,10 @@ loc_370A0:
 ; ---------------------------------------------------------------------------
 
 loc_370B4:
-		move.b	(_unkFEDD).w,d0
-		cmp.b	(_unkFEDA).w,d0
+		move.b	(Competition_lap_count_2P).w,d0
+		cmp.b	(Competition_total_laps).w,d0
 		ble.s	loc_370C2
-		move.b	(_unkFEDA).w,d0
+		move.b	(Competition_total_laps).w,d0
 
 loc_370C2:
 		subi.b	#$A,d0
@@ -74447,8 +74447,8 @@ loc_3720C:
 		move.w	#$78,(Events_bg+$16).w
 
 loc_37218:
-		move.b	(_unkFEDA).w,d0
-		cmp.b	(_unkFEDC).w,d0
+		move.b	(Competition_total_laps).w,d0
+		cmp.b	(Competition_lap_count).w,d0
 		bhs.s	loc_37292
 		move.b	#3,$20(a0)
 		tst.b	(Not_ghost_flag).w
@@ -74470,8 +74470,8 @@ loc_37256:
 		jsr	sub_37430(pc)
 		moveq	#sfx_Goal,d0
 		jsr	(Play_Sound_2).l
-		move.b	(_unkFEDA).w,d0
-		cmp.b	(_unkFEDD).w,d0
+		move.b	(Competition_total_laps).w,d0
+		cmp.b	(Competition_lap_count_2P).w,d0
 		bhs.s	loc_3728C
 		move.b	#6,$20(a0)
 		bclr	#3,4(a0)
@@ -74486,7 +74486,7 @@ loc_3728C:
 ; ---------------------------------------------------------------------------
 
 loc_37292:
-		cmp.b	(_unkFEDD).w,d0
+		cmp.b	(Competition_lap_count_2P).w,d0
 		bhs.s	locret_372CE
 		move.b	#4,$20(a0)
 		bset	#4,4(a0)
@@ -74531,15 +74531,15 @@ locret_37306:
 ; ---------------------------------------------------------------------------
 
 loc_37308:
-		move.b	(_unkFEDC).w,d0
+		move.b	(Competition_lap_count).w,d0
 		tst.b	(Update_HUD_timer).w
 		bpl.s	loc_3731C
-		move.b	(_unkFEDD).w,d0
+		move.b	(Competition_lap_count_2P).w,d0
 		tst.b	(Update_HUD_timer).w
 		bmi.s	loc_37322
 
 loc_3731C:
-		cmp.b	(_unkFEDA).w,d0
+		cmp.b	(Competition_total_laps).w,d0
 		beq.s	loc_37328
 
 loc_37322:
@@ -74598,8 +74598,8 @@ byte_3739F:	dc.b 0
 ; ---------------------------------------------------------------------------
 
 loc_373A4:
-		move.b	(_unkFEDA).w,d0
-		cmp.b	(_unkFEDC).w,d0
+		move.b	(Competition_total_laps).w,d0
+		cmp.b	(Competition_lap_count).w,d0
 		bhs.s	loc_373D4
 		tst.b	(Update_HUD_timer).w
 		bmi.s	loc_373D4
@@ -74611,8 +74611,8 @@ loc_373A4:
 		jsr	(Play_Sound_2).l
 
 loc_373D4:
-		move.b	(_unkFEDA).w,d0
-		cmp.b	(_unkFEDD).w,d0
+		move.b	(Competition_total_laps).w,d0
+		cmp.b	(Competition_lap_count_2P).w,d0
 		bhs.s	locret_37404
 		tst.b	(_unkFEC7).w
 		bmi.s	locret_37404

sonic3k.constants.asm

@@ -820,10 +820,10 @@ Ring_count_P2			ds.w 1			; left over from Sonic 2
 Timer_P2			ds.l 1			; left over from Sonic 2
 Timer_minute_P2 =		Timer_P2+1		; left over from Sonic 2
 Score_P2			ds.l 1			; left over from Sonic 2
-_unkFEDA			ds.b 1
+Competition_total_laps			ds.b 1		;total number of laps in comeptition mode (typically 5)
 			ds.b 1				; unused
-_unkFEDC			ds.b 1
-_unkFEDD			ds.b 1
+Competition_lap_count			ds.b 1		;current lap number for player 1 in competition mode
+Competition_lap_count_2P		ds.b 1		;current lap number for player 2 in competition mode
 _unkFEDE			ds.b 1			; unused
 			ds.b $23			; unused
 Results_screen_2P		ds.w 1			; left over from Sonic 2