diff --git a/asm/non_matching/game/sa3/spstg__sub_80B29B4.inc b/asm/non_matching/game/sa3/spstg__sub_80B29B4.inc
deleted file mode 100644
index 987c790d..00000000
--- a/asm/non_matching/game/sa3/spstg__sub_80B29B4.inc
+++ /dev/null
@@ -1,190 +0,0 @@
-
-.syntax unified
-.text
-	push {r4, r5, r6, r7, lr}
-	mov r7, sl
-	mov r6, sb
-	mov r5, r8
-	push {r5, r6, r7}
-	sub sp, #0x2c
-	mov r8, r0
-	lsls r1, r1, #0x18
-	ldr r0, [r0]
-	ldr r2, _080B2AD4 @ =gUnknown_080DBE82
-	lsrs r1, r1, #0x17
-	ldr r3, _080B2AD8 @ =0x000008C7
-	adds r0, r0, r3
-	ldrb r0, [r0]
-	lsls r0, r0, #2
-	adds r1, r1, r0
-	adds r1, r1, r2
-	ldrh r4, [r1]
-	add r1, sp, #0x18
-	movs r0, #0xa
-	strh r0, [r1]
-	movs r0, #0xb
-	strh r0, [r1, #8]
-	lsls r4, r4, #0x10
-	asrs r4, r4, #0x10
-	adds r0, r4, #0
-	movs r1, #0x64
-	bl Div
-	add r1, sp, #0x18
-	strh r0, [r1, #2]
-	adds r0, r4, #0
-	movs r1, #0xa
-	bl Div
-	add r3, sp, #0x18
-	adds r1, r3, #0
-	movs r5, #2
-	ldrsh r2, [r1, r5]
-	lsls r1, r2, #2
-	adds r1, r1, r2
-	lsls r1, r1, #1
-	subs r0, r0, r1
-	strh r0, [r3, #4]
-	adds r0, r4, #0
-	movs r1, #0xa
-	bl Mod
-	add r1, sp, #0x18
-	strh r0, [r1, #6]
-	adds r0, r1, #0
-	ldrh r0, [r0, #2]
-	movs r1, #1
-	mov sb, r1
-	cmp r0, #0
-	beq _080B2A28
-	movs r2, #0
-	mov sb, r2
-_080B2A28:
-	movs r7, #0
-	mov r3, sb
-	lsls r3, r3, #2
-	str r3, [sp, #0x28]
-	mov r5, sb
-	adds r5, #1
-	str r5, [sp, #0x24]
-	movs r0, #0
-	mov sl, r0
-_080B2A3A:
-	lsls r6, r7, #1
-	mov r0, sp
-	adds r0, r0, r6
-	adds r0, #0x18
-	movs r1, #0
-	ldrsh r5, [r0, r1]
-	lsls r5, r5, #3
-	ldr r0, _080B2ADC @ =gUnknown_080DBEF8
-	adds r5, r5, r0
-	lsls r4, r7, #2
-	adds r4, r4, r7
-	lsls r4, r4, #3
-	movs r2, #0xca
-	lsls r2, r2, #1
-	adds r0, r4, r2
-	add r0, r8
-	ldrh r2, [r5, #4]
-	ldrh r3, [r5]
-	mov ip, r3
-	mov r1, sl
-	str r1, [sp]
-	ldr r1, [sp, #0x28]
-	add r1, sb
-	lsls r1, r1, #1
-	adds r1, r6, r1
-	ldr r3, _080B2AE0 @ =gUnknown_080DBF94
-	adds r1, r1, r3
-	movs r3, #0
-	ldrsh r1, [r1, r3]
-	str r1, [sp, #4]
-	ldr r1, _080B2AE4 @ =gUnknown_080DBFCC
-	adds r1, r6, r1
-	movs r3, #0
-	ldrsh r1, [r1, r3]
-	str r1, [sp, #8]
-	movs r1, #1
-	str r1, [sp, #0xc]
-	ldrb r1, [r5, #2]
-	str r1, [sp, #0x10]
-	mov r5, sl
-	str r5, [sp, #0x14]
-	movs r1, #1
-	mov r3, ip
-	bl sub_80B6BB8
-	add r4, r8
-	movs r0, #0xd8
-	lsls r0, r0, #1
-	adds r4, r4, r0
-	movs r0, #0x10
-	strb r0, [r4]
-	adds r0, r7, #1
-	lsls r0, r0, #0x18
-	lsrs r7, r0, #0x18
-	cmp r7, #4
-	bls _080B2A3A
-	ldr r0, _080B2AE8 @ =0x0000028A
-	add r0, r8
-	ldrb r0, [r0]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	cmp r0, #0
-	beq _080B2AF0
-	movs r0, #0xa4
-	lsls r0, r0, #2
-	add r0, r8
-	movs r1, #0
-	strh r1, [r0]
-	ldr r0, _080B2AEC @ =0x00000292
-	add r0, r8
-	strh r1, [r0]
-	movs r0, #0xa5
-	lsls r0, r0, #2
-	add r0, r8
-	strh r1, [r0]
-	b _080B2B12
-	.align 2, 0
-_080B2AD4: .4byte gUnknown_080DBE82
-_080B2AD8: .4byte 0x000008C7
-_080B2ADC: .4byte gUnknown_080DBEF8
-_080B2AE0: .4byte gUnknown_080DBF94
-_080B2AE4: .4byte gUnknown_080DBFCC
-_080B2AE8: .4byte 0x0000028A
-_080B2AEC: .4byte 0x00000292
-_080B2AF0:
-	movs r1, #0xa4
-	lsls r1, r1, #2
-	add r1, r8
-	movs r0, #0xe7
-	lsls r0, r0, #7
-	strh r0, [r1]
-	ldr r1, _080B2B30 @ =0x00000292
-	add r1, r8
-	movs r0, #0xd9
-	lsls r0, r0, #7
-	strh r0, [r1]
-	movs r1, #0xa5
-	lsls r1, r1, #2
-	add r1, r8
-	movs r0, #0xcb
-	lsls r0, r0, #7
-	strh r0, [r1]
-_080B2B12:
-	ldr r1, _080B2B34 @ =0x0000028A
-	add r1, r8
-	ldrb r0, [r1]
-	ldr r2, [sp, #0x24]
-	adds r0, r0, r2
-	strb r0, [r1]
-	add sp, #0x2c
-	pop {r3, r4, r5}
-	mov r8, r3
-	mov sb, r4
-	mov sl, r5
-	pop {r4, r5, r6, r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080B2B30: .4byte 0x00000292
-_080B2B34: .4byte 0x0000028A
-
-.syntax divided
diff --git a/include/game/special_stage.h b/include/game/special_stage.h
index a253d486..623d4444 100644
--- a/include/game/special_stage.h
+++ b/include/game/special_stage.h
@@ -301,7 +301,7 @@ void sub_80B24AC(SpStage2A4 *strc2A4);
 void sub_2A4_80B2640(void);
 void sub_2A4_80B26FC(void);
 void sub_80B28AC(SpStage2A4 *strc2A4);
-void sub_80B29B4(SpStage2A4 *strc2A4, u8 param1);
+void sub_80B29B4(SpStage2A4 *strc2A4, u8 spStageHalfIndex);
 void sub_80B2B38(SpStage2A4 *strc2A4);
 void sub_80B2C98(SpStage2A4 *strc2A4, u8 param1);
 void sub_80B2D0C(SpStage2A4 *strc2A4);
diff --git a/src/game/sa3/special_stage.c b/src/game/sa3/special_stage.c
index 9bdaf1ac..eefe93ad 100644
--- a/src/game/sa3/special_stage.c
+++ b/src/game/sa3/special_stage.c
@@ -588,38 +588,33 @@ void sub_80B292C(SpStage2A4 *strc2A4)
     strc2A4->unk289 = 1;
 }
 
-// (99.78%) https://decomp.me/scratch/sRoAg
-NONMATCH("asm/non_matching/game/sa3/spstg__sub_80B29B4.inc", void sub_80B29B4(SpStage2A4 *strc2A4, u8 param1))
+void sub_80B29B4(SpStage2A4 *strc2A4, u8 spStageHalfIndex)
 {
-    s16 sp18[6];
-    s32 sp24;
-    s32 sp28;
-    s16 temp_r4;
-    s32 temp_r4_2;
-    s32 temp_r6;
-    u8 var_r7;
-    s32 var_sb;
-    TileInfo_16_2 *temp_r5;
-    SpStgContext *unk0 = strc2A4->unk0;
-
-    temp_r4 = gUnknown_080DBE82[unk0->unk8C7][param1];
-    sp18[0] = 0xA;
-    sp18[4] = 0xB;
-    sp18[1] = (s16)Div((s32)temp_r4, 0x64);
-    sp18[2] = (s16)(Div((s32)temp_r4, 0xA) - (sp18[1] * 0xA));
-    sp18[3] = (s16)Mod((s32)temp_r4, 0xA);
+    s16 sp18[5];
+    s16 targetRingCount;
+    u8 i;
+    u8 var_sb;
+    TileInfo_16_2 *tileInfo;
+    SpStgContext *ctx = strc2A4->unk0;
+
+    targetRingCount = gUnknown_080DBE82[ctx->unk8C7][spStageHalfIndex];
+    sp18[0] = 0xA; // GET
+    sp18[4] = 0xB; // RINGS
+    sp18[1] = Div(targetRingCount, 100); // Digit of hundreds
+    sp18[2] = (Div(targetRingCount, 10) - (sp18[1] * 10)); // Digit of tens
+    sp18[3] = Mod(targetRingCount, 10); // Lowest digit
     if (sp18[1] != 0) {
         var_sb = 0;
     } else {
         var_sb = 1;
     }
-    for (var_r7 = 0; var_r7 < 5; var_r7++) {
-        temp_r5 = &gUnknown_080DBEF8[sp18[var_r7]];
-        sub_80B6BB8(&strc2A4->sprites194[var_r7], 1, temp_r5->numTiles, temp_r5->anim, 0U, gUnknown_080DBF94[var_sb][var_r7],
-                    gUnknown_080DBFCC[var_r7], 1, temp_r5->variant, 0U);
-        strc2A4->sprites194[var_r7].animSpeed = 0x10;
+    for (i = 0; i < ARRAY_COUNT(sp18); i++) {
+        tileInfo = &gUnknown_080DBEF8[sp18[i]];
+        sub_80B6BB8(&strc2A4->sprites194[i], 1, tileInfo->numTiles, tileInfo->anim, 0, gUnknown_080DBF94[var_sb][i], gUnknown_080DBFCC[i],
+                    1, tileInfo->variant, 0);
+        strc2A4->sprites194[i].animSpeed = SPRITE_ANIM_SPEED(1.0);
     }
-    if ((s8)(u8)strc2A4->unk28A != 0) {
+    if (strc2A4->unk28A != 0) {
         strc2A4->unk290[0] = 0;
         strc2A4->unk290[1] = 0;
         strc2A4->unk290[2] = 0;
@@ -628,9 +623,8 @@ NONMATCH("asm/non_matching/game/sa3/spstg__sub_80B29B4.inc", void sub_80B29B4(Sp
         strc2A4->unk290[1] = 0x6C80;
         strc2A4->unk290[2] = 0x6580;
     }
-    strc2A4->unk28A += ++var_sb;
+    strc2A4->unk28A += var_sb + 1;
 }
-END_NONMATCH
 
 void sub_80B2B38(SpStage2A4 *strc2A4)
 {