diff --git a/BIN/DU.S.TXT b/BIN/DU.S.TXT
index 9a963ca8..e8abb29d 100644
--- a/BIN/DU.S.TXT
+++ b/BIN/DU.S.TXT
@@ -1,7 +1,7 @@
 NEW
   AUTO 3,1
 *---------------------------------------
-* DU: Disk Usage - Bobbi - June 14, 2021
+* DU: Disk Usage - Bobbi - June 15, 2021
 *---------------------------------------
                          .LIST OFF
                          .OP 65C02
@@ -228,7 +228,13 @@ CS.RUN.PRINT.REG         bit bPass2
 .1                       ldx bDirLevel         X is loop ctr bDirLevel..0
 .2                       >LEA.G BlkCounters
                          >STYA ZPPtr1
-                         ldy #S.STAT.BLOCKS+1
+                         ldy #S.STAT.BLOCKS+3  Read 32-bit number of blocks
+                         lda (ZPFileStat),y
+                         pha                   And push to stack
+                         dey
+                         lda (ZPFileStat),y
+                         pha
+                         dey
                          lda (ZPFileStat),y
                          pha
                          dey
@@ -236,31 +242,40 @@ CS.RUN.PRINT.REG         bit bPass2
                          pha
                          txa                   Get loop counter
                          asl                   x2
+                         asl                   x2 again
                          tay
-                         pla
+                         pla                   Do 32-bit add
                          clc
+                         adc (ZPPtr1),y        LSB
+                         sta (ZPPtr1),y
+                         pla
+                         iny
                          adc (ZPPtr1),y
                          sta (ZPPtr1),y
                          pla
                          iny
                          adc (ZPPtr1),y
                          sta (ZPPtr1),y
-                         dex
-                         cpx #$ff
+                         pla
+                         iny
+                         adc (ZPPtr1),y        MSB
+                         sta (ZPPtr1),y
+                         dex                   Decrement loop counter
+                         cpx #$ff              Stop if -1
                          bne .2
 
                          >LDA.G bAllFiles
                          beq .8
 
                          >PUSHW L.MSG.REG1
-                         ldy #S.STAT.BLOCKS+1
-                         ldx #2
+                         ldy #S.STAT.BLOCKS+3
+                         ldx #4
 .3                       lda (ZPFileStat),y
                          >PUSHA
                          dey
                          dex
-                         bne .3     (2)
-                         >PUSHBI 2
+                         bne .3     (4)
+                         >PUSHBI 4
                          >SYSCALL PrintF
                          bcs .9                         
                          jsr CS.RUN.PrintCwd
@@ -330,6 +345,7 @@ CS.RUN.PrintDirSumm      >LEA.G BlkCounters
                          >STYA ZPPtr1
                          lda bDirLevel
                          asl
+                         asl
                          clc
                          adc ZPPtr1
                          sta ZPPtr1
@@ -337,20 +353,30 @@ CS.RUN.PrintDirSumm      >LEA.G BlkCounters
                          adc ZPPtr1+1
                          sta ZPPtr1+1
                          >PUSHW L.MSG.DIRSUMM
-                         ldy #$01
+                         ldy #$03
                          lda (ZPPtr1),y
                          >PUSHA
                          dey
                          lda (ZPPtr1),y
                          >PUSHA
-                         >PUSHBI 2
+                         dey
+                         lda (ZPPtr1),y
+                         >PUSHA
+                         dey
+                         lda (ZPPtr1),y
+                         >PUSHA                         
+                         >PUSHBI 4
                          >SYSCALL PrintF
 
-                         ldy #$01
+                         ldy #$03
                          lda #$00
                          sta (ZPPtr1),y
                          dey
                          sta (ZPPtr1),y 
+                         dey
+                         sta (ZPPtr1),y 
+                         dey
+                         sta (ZPPtr1),y 
 
                          rts
 *--------------------------------------
@@ -399,10 +425,10 @@ OptionVars          .DA #bSummary,#bAllFiles,#bSummary,#bAllFiles
 MSG.USAGE           .AS "Usage : DU [-A] [-S] [filespec]\r\n"
                     .AS "   -A : Show all files (not only directories)\r\n"
                     .AZ "   -S : Show only summary\r\n"
-MSG.REG1            .AZ "%5D  "
+MSG.REG1            .AZ "%5u  "
 MSG.REG2            .AZ "%s"
 MSG.CWD             .AZ "%s"
-MSG.DIRSUMM         .AZ "%5D  "
+MSG.DIRSUMM         .AZ "%5u  "
 MSG.BDEVEXT         .AZ "/%15s s%dd%d Blocks Used:%5D Total:%5D"
 MSG.BDEV            .AZ "\e[32m%s/\e[0m"
 *--------------------------------------
@@ -415,7 +441,7 @@ bPause              .BS 1
 bSummary            .BS 1
 bAllFiles           .BS 1
 hPW                 .BS 1
-BlkCounters         .BS 16           Array of 16 bit integers, size 8
+BlkCounters         .BS 64           Array of 32 bit integers, size 16
                     .INB usr/src/shared/x.fileenum.g
 DS.END              .ED
 *--------------------------------------