diff --git a/NTSC-J 1.0/QFST+index.txt b/NTSC-J 1.0/QFST+index.txt
new file mode 100644
index 0000000..a206de8
--- /dev/null
+++ b/NTSC-J 1.0/QFST+index.txt	
@@ -0,0 +1,41 @@
+$ QF Segment Timer with index (v0.1.0, 2022/11/01) [sup39]
+040F9DD0 496FDE88
+042069D0 495F129C
+077F7C48 00000128
+2532642E 25303364
+005B2530 32645D00
+3BA00000 3C60817F
+93A37C40 93A37C44
+4A90216C 38610E90
+4A83D5B9 3821FFE0
+BF81000C 3C60817F
+3BE37C00 83C37C40
+3BA00096 80C300BC
+2C060000 41A2002C
+808300B8 80A37C44
+7C042800 40A1001C
+7C052050 57CC16BA
+7C1F612E 90837C44
+3BDE0001 93C37C40
+3B9EFFF0 2C1E0010
+40800008 3B800000
+7C1CF000 41A00014
+BB81000C 38210020
+3C60803B 4AA0ECF0
+578316BA 7C1F182E
+1C0003E9 39600078
+7D405B96 396003E8
+7D2A5B96 1D6903E8
+7D4B5050 38600214
+7FA4EB78 38A0000D
+38C0FFFF 7CC73378
+3D00817F 61087C48
+4CC63182 4BFF850D
+3B9C0001 38000064
+7D3C0396 7D2901D6
+7D29E050 3D00817F
+61087C51 386001E8
+7FA4EB78 38A0000D
+38C0FFFF 7CC73378
+4CC63182 4BFF84D5
+3BBD000D 4BFFFF64
diff --git a/src/AttemptCounter.s b/src/AttemptCounter.s
index 7e4d698..4bf2d67 100644
--- a/src/AttemptCounter.s
+++ b/src/AttemptCounter.s
@@ -1,3 +1,5 @@
+.include "./macros.s"
+
 .set x, 144
 .set y, 124
 .set fontSize, 28
@@ -9,17 +11,6 @@
 .set off$area0,  8
 .set off$freeze, 10
 
-.macro liDX reg val
-  .if -0x8000 <= \val && \val < 0x8000 || 0xffff8000 <= \val
-    li \reg, \val@l
-  .else
-    lis \reg, \val@h
-    .if \val&0xffff != 0
-      ori \reg, \reg, \val@l
-    .endif
-  .endif
-.endm
-
 .onStart:
   .set r$$, 12
   .set off$$, off$area0
diff --git a/src/QFST.s b/src/QFST.s
index 0135af9..2e9c173 100644
--- a/src/QFST.s
+++ b/src/QFST.s
@@ -1,10 +1,18 @@
+.include "./macros.s"
+.set $drawIndex$, 1
+
 .set x, 532
+.set x2, 488
 .set y, 150
 .set fontSize, 13
 .set colorTop, 0xffffffff
 .set colorBot, 0xffffffff
 .set logN, 4
 
+.draw2D.fmt: .string "%2d.%03d"
+.draw2D.fmt2: .string "[%02d]"
+.align 2
+
 .set aBase, 0x817f<<16
 .QFST.reset:
   li r29, 0 # orig
@@ -13,13 +21,13 @@
   stw r29, $QFST.t0-aBase(r3)
   b 4+$b$.QFST.reset
 
-.set rmw, r28
+.set rmw, 28
 .set rmwOff, 0xC
 .set rmwAdd, 0x20
-.set rTArr, r31
-.set rCnt, r30
-.set rY, r29
-.set rIdx, r28
+.set rTArr, 31
+.set rCnt, 30
+.set rY, 29
+.set rIdx, 28
 .QFST.render:
 .QFST.render.setup:
   addi r3, r1, 0xE90
@@ -89,28 +97,38 @@
   li r3, x
   mr r4, rY
   li r5, fontSize
-.if colorTop < 0x8000 || colorTop >= 0xffff8000
-  li r6, colorTop@l
-.else
-  lis r6, colorTop@h
-  ori r6, r6, colorTop@l
-.endif
+  liDX r6, colorTop
 .if colorTop == colorBot
   mr r7, r6
-.elseif colorBot < 0x8000 || colorBot >= 0xffff8000
-  li r7, colorBot@l
 .else
-  lis r7, colorBot@h
-  ori r7, r7, colorBot@l
+  liDX r7, colorBot
+.endif
+  li32 r8 .draw2D.fmt
+  crclr 6
+  bl drawText
+## draw index
+### r9 = (idx+1)%100
+  addi rIdx, rIdx, 1
+.if $drawIndex$
+  li r0, 100
+  divwu r9, rIdx, r0
+  mullw r9, r9, r0
+  sub r9, rIdx, r9
+### params
+  li32 r8 .draw2D.fmt2
+  li r3, x2
+  mr r4, rY
+  li r5, fontSize
+  liDX r6, colorTop
+.if colorTop == colorBot
+  mr r7, r6
+.else
+  liDX r7, colorBot
 .endif
-  bl .draw2D.fmt
-  .string "%2d.%03d"
-  .align 2
-.draw2D.fmt:
-  mflr r8
   crclr 6
   bl drawText
 ## next
-  addi rIdx, rIdx, 1
+  #addi rIdx, rIdx, 1 # already added
+.endif
   addi rY, rY, fontSize
   b .QFST.render.loop
diff --git a/src/macros.s b/src/macros.s
new file mode 100644
index 0000000..fa5f29d
--- /dev/null
+++ b/src/macros.s
@@ -0,0 +1,15 @@
+.macro li32 reg val
+  lis \reg, \val@h
+  ori \reg, \reg, \val@l
+.endm
+
+.macro liDX reg val
+  .if -0x8000 <= \val && \val < 0x8000 || 0xffff8000 <= \val
+    li \reg, \val@l
+  .else
+    lis \reg, \val@h
+    .if \val&0xffff != 0
+      ori \reg, \reg, \val@l
+    .endif
+  .endif
+.endm