Avoid unnecessary remainder calculations

Detail:
  s/CDFSFiler - Avoid unnecessary remainder calculation in DivRem macro
Admin:
  Tested on Cortex-A15


Version 2.50. Tagged as 'CDFSFiler-2_50'

VersionASM

@@ -11,13 +11,13 @@
                         GBLS    Module_HelpVersion
                         GBLS    Module_ComponentName
                         GBLS    Module_ComponentPath
-Module_MajorVersion     SETS    "2.49"
-Module_Version          SETA    249
+Module_MajorVersion     SETS    "2.50"
+Module_Version          SETA    250
 Module_MinorVersion     SETS    ""
-Module_Date             SETS    "14 Jan 2014"
-Module_ApplicationDate  SETS    "14-Jan-14"
+Module_Date             SETS    "08 May 2016"
+Module_ApplicationDate  SETS    "08-May-16"
 Module_ComponentName    SETS    "CDFSFiler"
 Module_ComponentPath    SETS    "castle/RiscOS/Sources/FileSys/CDFS/CDFSFiler"
-Module_FullVersion      SETS    "2.49"
-Module_HelpVersion      SETS    "2.49 (14 Jan 2014)"
+Module_FullVersion      SETS    "2.50"
+Module_HelpVersion      SETS    "2.50 (08 May 2016)"
                         END

VersionNum

-/* (2.49)
+/* (2.50)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  * Last processed by srccommit version: 1.1.
  *
  */
-#define Module_MajorVersion_CMHG        2.49
+#define Module_MajorVersion_CMHG        2.50
 #define Module_MinorVersion_CMHG        
-#define Module_Date_CMHG                14 Jan 2014
+#define Module_Date_CMHG                08 May 2016
 
-#define Module_MajorVersion             "2.49"
-#define Module_Version                  249
+#define Module_MajorVersion             "2.50"
+#define Module_Version                  250
 #define Module_MinorVersion             ""
-#define Module_Date                     "14 Jan 2014"
+#define Module_Date                     "08 May 2016"
 
-#define Module_ApplicationDate          "14-Jan-14"
+#define Module_ApplicationDate          "08-May-16"
 
 #define Module_ComponentName            "CDFSFiler"
 #define Module_ComponentPath            "castle/RiscOS/Sources/FileSys/CDFS/CDFSFiler"
 
-#define Module_FullVersion              "2.49"
-#define Module_HelpVersion              "2.49 (14 Jan 2014)"
-#define Module_LibraryVersionInfo       "2:49"
+#define Module_FullVersion              "2.50"
+#define Module_HelpVersion              "2.50 (08 May 2016)"
+#define Module_LibraryVersionInfo       "2:50"

s/CDFSFiler

@@ -1267,7 +1267,7 @@ event_volume_bar
       MOV       r2, r2, LSL # 16
 
 ; r4 = r2 / icon width
-      DivRem    r4, r2, r3, r14
+      DivRem    r4, r2, r3, r14, norem
 
 ; make sure that min.(0) and max.(&ffff) values not exceeded
       CMP       r4, # 0