slot_machine through sub_81401B4

asm/slot_machine.s

@@ -5,108 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8140148
-sub_8140148: @ 8140148
-	push {r4,lr}
-	movs r2, 0
-	ldr r4, _08140168 @ =sSlotMachineState
-	movs r3, 0x1
-_08140150:
-	ldr r0, [r4]
-	lsls r1, r2, 2
-	adds r0, 0x14
-	adds r0, r1
-	str r3, [r0]
-	adds r2, 0x1
-	cmp r2, 0x2
-	ble _08140150
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08140168: .4byte sSlotMachineState
-	thumb_func_end sub_8140148
-
-	thumb_func_start sub_814016C
-sub_814016C: @ 814016C
-	push {lr}
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r1, 16
-	lsrs r1, 16
-	adds r2, r1, 0
-	cmp r1, 0x1
-	beq _08140192
-	cmp r1, 0x1
-	bgt _08140186
-	cmp r1, 0
-	beq _0814018C
-	b _0814019C
-_08140186:
-	cmp r2, 0x2
-	beq _08140198
-	b _0814019C
-_0814018C:
-	bl sub_81401F0
-	b _0814019C
-_08140192:
-	bl sub_81403BC
-	b _0814019C
-_08140198:
-	bl sub_81404B8
-_0814019C:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_814016C
-
-	thumb_func_start sub_81401A0
-sub_81401A0: @ 81401A0
-	lsls r0, 16
-	ldr r1, _081401B0 @ =sSlotMachineState
-	ldr r1, [r1]
-	lsrs r0, 14
-	adds r1, 0x14
-	adds r1, r0
-	ldr r0, [r1]
-	bx lr
-	.align 2, 0
-_081401B0: .4byte sSlotMachineState
-	thumb_func_end sub_81401A0
-
-	thumb_func_start sub_81401B4
-sub_81401B4: @ 81401B4
-	push {lr}
-	lsls r0, 16
-	ldr r1, _081401E8 @ =sSlotMachineState
-	ldr r2, [r1]
-	lsrs r0, 15
-	adds r1, r2, 0
-	adds r1, 0x20
-	adds r1, r0
-	ldrh r1, [r1]
-	adds r2, 0x26
-	adds r2, r0
-	movs r3, 0
-	ldrsh r0, [r2, r3]
-	cmp r0, 0
-	beq _081401E0
-	lsls r0, r1, 16
-	ldr r1, _081401EC @ =0xffff0000
-	adds r0, r1
-	lsrs r1, r0, 16
-	cmp r0, 0
-	bge _081401E0
-	movs r1, 0x14
-_081401E0:
-	lsls r0, r1, 16
-	asrs r0, 16
-	pop {r1}
-	bx r1
-	.align 2, 0
-_081401E8: .4byte sSlotMachineState
-_081401EC: .4byte 0xffff0000
-	thumb_func_end sub_81401B4
-
 	thumb_func_start sub_81401F0
 sub_81401F0: @ 81401F0
 	push {r4-r7,lr}

src/slot_machine.c

@@ -22,7 +22,7 @@ struct SlotMachineState
     u16 bet;
     u8 field_10;
     u8 field_11;
-    TaskFunc field_14[3];
+    bool32 field_14[3];
     s16 field_20[3];
     s16 field_26[3];
     s16 field_2C[3];
@@ -46,7 +46,10 @@ void MainTask_ExitSlots(u8 taskId);
 static void SetMainTask(TaskFunc taskFunc);
 void sub_8140060(u8 taskId);
 void sub_8140148(void);
-void sub_814016C(u16, u16);
+void sub_814016C(u16 whichPosition, u16 whichReel);
+void sub_81401F0(u16 whichPosition);
+void sub_81403BC(u16 whichPosition);
+void sub_81404B8(u16 whichPosition);
 bool32 sub_81401A0(u16);
 void sub_81409B4(void);
 void sub_8140A70(void);
@@ -85,7 +88,7 @@ void sub_813F84C(struct SlotMachineState * ptr)
     // for whatever reason, the loop does not use the ptr param
     for (i = 0; i < 3; i++)
     {
-        sSlotMachineState->field_14[i] = NULL;
+        sSlotMachineState->field_14[i] = FALSE;
         sSlotMachineState->field_20[i] =     0;
         sSlotMachineState->field_26[i] =     0;
         sSlotMachineState->field_2C[i] =    21;
@@ -476,7 +479,7 @@ void sub_8140060(u8 taskId)
 
     for (i = 0; i < 3; i++)
     {
-        if (sSlotMachineState->field_14[i] != NULL || sSlotMachineState->field_26[i] != 0)
+        if (sSlotMachineState->field_14[i] || sSlotMachineState->field_26[i] != 0)
         {
             if (sSlotMachineState->field_26[i] != 0 || sSlotMachineState->field_20[i] != sSlotMachineState->field_2C[i])
             {
@@ -492,8 +495,51 @@ void sub_8140060(u8 taskId)
                     continue;
             }
             sSlotMachineState->field_2C[i] = 21;
-            sSlotMachineState->field_14[i] = NULL;
+            sSlotMachineState->field_14[i] = FALSE;
         }
     }
     sub_8140D7C(sSlotMachineState->field_20, sSlotMachineState->field_26);
 }
+
+void sub_8140148(void)
+{
+    s32 i;
+
+    for (i = 0; i < 3; i++)
+    {
+        sSlotMachineState->field_14[i] = TRUE;
+    }
+}
+
+void sub_814016C(u16 whichPosition, u16 whichReel)
+{
+    switch (whichReel)
+    {
+    case 0:
+        sub_81401F0(whichPosition);
+        break;
+    case 1:
+        sub_81403BC(whichPosition);
+        break;
+    case 2:
+        sub_81404B8(whichPosition);
+        break;
+    }
+}
+
+bool32 sub_81401A0(u16 whichReel)
+{
+    return sSlotMachineState->field_14[whichReel];
+}
+
+s16 sub_81401B4(u16 whichReel)
+{
+    s16 position = sSlotMachineState->field_20[whichReel];
+    if (sSlotMachineState->field_26[whichReel] != 0)
+    {
+        position--;
+        if (position < 0)
+            position = 20;
+    }
+    return position;
+}