diff --git a/Makefile b/Makefile
index ccc2ea57c..2db546df8 100644
--- a/Makefile
+++ b/Makefile
@@ -16,13 +16,15 @@ VOLUME=TOTAL.REPLAY
 # third-party tools required to build
 
 # https://sourceforge.net/projects/acme-crossass/
+# version 0.96.3 or later
 ACME=acme
 
-# https://github.com/sicklittlemonkey/cadius
+# https://github.com/mach-kernel/cadius
 # version 1.4.0 or later
 CADIUS=cadius
 
 # https://bitbucket.org/magli143/exomizer/wiki/Home
+# version 3.1.0 or later
 EXOMIZER=exomizer mem -q -P23 -lnone
 
 dsk: asm
@@ -34,7 +36,9 @@ dsk: asm
 	bin/buildokvs.sh "res/ATTRACT.CONF" "build/ATTRACT.IDX" >>build/log
 	bin/buildfx.sh "res/FX.CONF" "build/FX.IDX" "build/FX.ALL" "build/FX" >>build/log
 	bin/buildfx.sh "res/DFX.CONF" "build/DFX.IDX" "build/DFX.ALL" "build/FX" >>build/log
-	for f in res/GAMEHELP/*; do tr "\*\~\<\>\$$\%\[" "\020\021\010\025\016\017\000" < "$$f" > build/GAMEHELP/"$$(basename $$f)"; done >>build/log
+	bin/converthelp.sh res/HELPTEXT build/HELPTEXT >>build/log
+	bin/converthelp.sh res/CREDITS build/CREDITS >>build/log
+	for f in res/GAMEHELP/*; do bin/converthelp.sh "$$f" build/GAMEHELP/"$$(basename $$f)"; done >>build/log
 	bin/buildhelp.sh "res/GAMES.CONF" "build/GAMEHELP.IDX" "build/GAMEHELP.ALL" "build/GAMEHELP" >>build/log
 	rm -f build/SSDIR.CONF && touch build/SSDIR.CONF >>build/log
 	for f in res/SS/*; do bin/buildokvs.sh "$$f" "build/SS/$$(basename $$f)" && echo "$$(basename $$f)" >> build/SSDIR.CONF; done >>build/log
@@ -43,7 +47,7 @@ dsk: asm
 	for f in res/ATTRACT/*; do bin/buildokvs.sh "$$f" "build/ATTRACT/$$(basename $$f)" && echo "$$(basename $$f)" >> build/ATTRACTDIR.CONF; done >>build/log
 	bin/buildfx.sh "build/ATTRACTDIR.CONF" "build/MINIATTRACT.IDX" "build/MINIATTRACT.ALL" "build/ATTRACT" >>build/log
 	bin/buildhelp.sh "res/GAMES.CONF" "build/PRELAUNCH.IDX" "build/PRELAUNCH.ALL" "build/PRELAUNCH" >>build/log
-	for f in res/TITLE res/COVER res/HELP res/GAMES.CONF build/PREFS.CONF res/CREDITS res/HELPTEXT build/ATTRACT.IDX build/FX.IDX build/FX.ALL build/DFX.IDX build/DFX.ALL build/GAMEHELP.IDX build/GAMEHELP.ALL build/SLIDESHOW.IDX build/SLIDESHOW.ALL build/MINIATTRACT.IDX build/MINIATTRACT.ALL build/PRELAUNCH.IDX build/PRELAUNCH.ALL res/DECRUNCH res/JOYSTICK res/Finder.Data res/Finder.Root; do $(CADIUS) ADDFILE build/"$(DISK)" "/$(VOLUME)/" "$$f" >>build/log; done
+	for f in res/TITLE res/COVER res/HELP res/GAMES.CONF build/PREFS.CONF build/CREDITS build/HELPTEXT build/ATTRACT.IDX build/FX.IDX build/FX.ALL build/DFX.IDX build/DFX.ALL build/GAMEHELP.IDX build/GAMEHELP.ALL build/SLIDESHOW.IDX build/SLIDESHOW.ALL build/MINIATTRACT.IDX build/MINIATTRACT.ALL build/PRELAUNCH.IDX build/PRELAUNCH.ALL res/DECRUNCH res/JOYSTICK res/Finder.Data res/Finder.Root; do $(CADIUS) ADDFILE build/"$(DISK)" "/$(VOLUME)/" "$$f" >>build/log; done
 	bin/buildfileinfo.sh res/TITLE.HGR "06" "4000" >>build/log
 	bin/buildfileinfo.sh res/TITLE.DHGR "06" "4000" >>build/log
 	bin/buildfileinfo.sh res/ACTION.HGR "06" "3FF8" >>build/log
diff --git a/bin/changebootloader.sh b/bin/changebootloader.sh
index bb0417d50..851d2d3bf 100755
--- a/bin/changebootloader.sh
+++ b/bin/changebootloader.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-dd of="$1" bs=1 count=512 conv=notrunc < "$2"
+dd of="$1" bs=1 count=512 conv=notrunc < "$2" 2>/dev/null
diff --git a/bin/converthelp.sh b/bin/converthelp.sh
new file mode 100755
index 000000000..c48bebc98
--- /dev/null
+++ b/bin/converthelp.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+tr "\*\~\<\>\$$\%" "\020\021\010\025\016\017" < "$1" | sed '/^\[/d' > "$2"
+dd if=/dev/zero bs=1 count=1 2>/dev/null >> "$2"
diff --git a/bin/padto.sh b/bin/padto.sh
index eb4deb7cb..1721ab3d3 100755
--- a/bin/padto.sh
+++ b/bin/padto.sh
@@ -8,4 +8,4 @@ outfile=$2
     || filesize=$(stat -f "%z" "$outfile")
 
 padsize=$((512-$filesize))
-dd if=/dev/zero bs=1 count=$padsize >> "$outfile"
+dd if=/dev/zero bs=1 count=$padsize 2>/dev/null >> "$outfile"
diff --git a/res/HELPTEXT b/res/HELPTEXT
index 11d72fa25..1680919e4 100644
Binary files a/res/HELPTEXT and b/res/HELPTEXT differ