diff --git a/Source/BPBIOS/Build.cmd b/Source/BPBIOS/Build.cmd
index 90e33cce..b1eb695d 100644
--- a/Source/BPBIOS/Build.cmd
+++ b/Source/BPBIOS/Build.cmd
@@ -1,8 +1,7 @@
 @echo off
-
 setlocal
 
-setlocal & cd ZCPR33 && call Build || exit /b & endlocal
+pushd ZCPR33 && call Build || exit /b & popd
 
 set PATH=%PATH%;..\..\Tools\zx;..\..\Tools\cpmtools;
 
@@ -57,6 +56,7 @@ rem if exist bpbio-ww.rel del bpbio-ww.rel || exit /b
 zx ZMAC -BPBIO-WW -/P || exit /b
 if exist bp%VER%.prn del bp%VER%.prn || exit /b
 ren bpbio-ww.prn bp%VER%.prn || exit /b
+if exist bp%VER%.err del bp%VER%.err || exit /b
 ren bpbio-ww.err bp%VER%.err || exit /b
 copy bpbio-ww.rel bp%VER%.rel || exit /b
 
diff --git a/Source/BPBIOS/bp33n.dat b/Source/BPBIOS/bp33n.dat
index 596c693b..8087a754 100644
Binary files a/Source/BPBIOS/bp33n.dat and b/Source/BPBIOS/bp33n.dat differ
diff --git a/Source/BPBIOS/bp33nbnk.dat b/Source/BPBIOS/bp33nbnk.dat
index 671ee847..082695ff 100644
Binary files a/Source/BPBIOS/bp33nbnk.dat and b/Source/BPBIOS/bp33nbnk.dat differ
diff --git a/Source/BPBIOS/bp33t.dat b/Source/BPBIOS/bp33t.dat
index 99d9361e..017d7c3a 100644
Binary files a/Source/BPBIOS/bp33t.dat and b/Source/BPBIOS/bp33t.dat differ
diff --git a/Source/BPBIOS/bp33tbnk.dat b/Source/BPBIOS/bp33tbnk.dat
index 1db3d61f..e2e0007c 100644
Binary files a/Source/BPBIOS/bp33tbnk.dat and b/Source/BPBIOS/bp33tbnk.dat differ
diff --git a/Source/BPBIOS/bp34n.dat b/Source/BPBIOS/bp34n.dat
index aeb6bc31..c29316de 100644
Binary files a/Source/BPBIOS/bp34n.dat and b/Source/BPBIOS/bp34n.dat differ
diff --git a/Source/BPBIOS/bp34nbnk.dat b/Source/BPBIOS/bp34nbnk.dat
index fdea1ddb..1d29094a 100644
Binary files a/Source/BPBIOS/bp34nbnk.dat and b/Source/BPBIOS/bp34nbnk.dat differ
diff --git a/Source/BPBIOS/bp34t.dat b/Source/BPBIOS/bp34t.dat
index cf414646..f7f31e6e 100644
Binary files a/Source/BPBIOS/bp34t.dat and b/Source/BPBIOS/bp34t.dat differ
diff --git a/Source/BPBIOS/bp34tbnk.dat b/Source/BPBIOS/bp34tbnk.dat
index 5616693b..1129c782 100644
Binary files a/Source/BPBIOS/bp34tbnk.dat and b/Source/BPBIOS/bp34tbnk.dat differ
diff --git a/Source/BPBIOS/bp41nbnk.dat b/Source/BPBIOS/bp41nbnk.dat
index 0f4c06cc..82162157 100644
Binary files a/Source/BPBIOS/bp41nbnk.dat and b/Source/BPBIOS/bp41nbnk.dat differ
diff --git a/Source/BPBIOS/bp41tbnk.dat b/Source/BPBIOS/bp41tbnk.dat
index ed7aa82a..691ce24a 100644
Binary files a/Source/BPBIOS/bp41tbnk.dat and b/Source/BPBIOS/bp41tbnk.dat differ
diff --git a/Source/BPBIOS/zstf.zex b/Source/BPBIOS/zstf.zex
index f3e38584..f95653f4 100644
--- a/Source/BPBIOS/zstf.zex
+++ b/Source/BPBIOS/zstf.zex
@@ -4,10 +4,6 @@ C15:ZPATH $$$$ A0 B0 C15 C0 /D=$$$$ C15 C0
 zscfg2 cb +a-
 ;; load Zsystem segments
 jetldr BPBIO.NDR,nzdec23d.z3t,fcp-4t.zrl
-;;;; disable the wheel byte since BPBUILD doesn't
-;;poke fc2a fb   ;;correct wheel addr in Z3ENV
-;;poke fbff ff   ;;set the wheel
-poke FC32 19   ;;change CRT length to 25 lines
 ;; initialize the RAM disk if needed and copy some useful file there
 if ~EX A0:-ram.000
 putds -d=A:
@@ -17,5 +13,4 @@ RCOPY RAMFILES.TXT A0: /Q
 fi
 ;; load the command history shell and editor
 LSH
-
 
\ No newline at end of file
diff --git a/Source/BPBIOS/zstn.zex b/Source/BPBIOS/zstn.zex
index 451b60df..9eb067ac 100644
--- a/Source/BPBIOS/zstn.zex
+++ b/Source/BPBIOS/zstn.zex
@@ -1,15 +1,6 @@
 C15:ZPATH $$$$ A0 B0 C15 C0 /D=$$$$ C15 C0
 jetldr RCP-16H.ZRL,FCP-4T.ZRL,BPBIO.NDR,nzdec23d.z3t
 ldtimee
-;;disable the wheel byte since BPBUILD doesn't
-;;;;correct wheel addr in Z3ENV
-;;poke fc2a fb   
-;;;;set the wheel
-;;poke fbff ff
-;;change CRT length to 25 lines<
-poke FC32 19
-;; change "D  " to "DIR" so we can use D.COM
-poke F10D 49 52
 ;; initialize ram drive if needed
 IF ~EX A0:-RAM.000
 putds -d=A:
diff --git a/Source/BPBIOS/zstt.zex b/Source/BPBIOS/zstt.zex
index 9bb9ab65..cb314ad6 100644
--- a/Source/BPBIOS/zstt.zex
+++ b/Source/BPBIOS/zstt.zex
@@ -1,15 +1,6 @@
 C15:ZPATH $$$$ A0 B0 C15 C0 /D=$$$$ C15 C0
 jetldr RCP-16H.ZRL,FCP-4T.ZRL,BPBIO.NDR,nzdec23d.z3t
 ldtimec
-;;disable the wheel byte since BPBUILD doesn't
-;;;;correct wheel addr in Z3ENV
-;;poke fc2a fb   
-;;;;set the wheel
-;;poke fbff ff
-;;change CRT length to 25 lines<
-poke FC32 19
-;; change "D  " to "DIR" so we can use D.COM
-poke EF0D 49 52
 ;; initialize ram drive if needed
 IF ~EX A0:-RAM.000
 putds -d=A:
diff --git a/Source/Images/d_bp.txt b/Source/Images/d_bp.txt
index e123b471..8d410fda 100644
--- a/Source/Images/d_bp.txt
+++ b/Source/Images/d_bp.txt
@@ -6,9 +6,6 @@
 ../BPBIOS/*.zrl 0:
 ../BPBIOS/*.zex 0:
 ../BPBIOS/bpbuild.com 0:
-#../BPBIOS/myterm.z3t 0:
-#../BPBIOS/Z34RCP11/z34rcp11.rel 0:rcp.zrl
-#../BPBIOS/NZFCP13/nzfcp13.rel 0:fcp.zrl
 #
 # Add RomWBW utilities
 #
@@ -42,7 +39,7 @@
 #../../Binary/Apps/ramtest.com 2:
 #../../Binary/Apps/tstdskng.com 2:
 ../../Binary/Apps/Test/*.com 2:
-##Test/*.* 2:
+Test/*.* 2:
 #
 # Add Tune sample files
 #
@@ -51,7 +48,7 @@
 #
 # Add CPNET client files
 #
-##cpnet12/*.* 4:
+cpnet12/*.* 4:
 #
 # Add Common Applications
 #
diff --git a/Source/Images/d_bp/u0/rcp-16h.zrl b/Source/Images/d_bp/u0/rcp-16h.zrl
index e4c53abc..a5573839 100644
Binary files a/Source/Images/d_bp/u0/rcp-16h.zrl and b/Source/Images/d_bp/u0/rcp-16h.zrl differ
diff --git a/Source/Images/d_bp/u15/cl.com b/Source/Images/d_bp/u15/cl.com
new file mode 100644
index 00000000..ac0640eb
Binary files /dev/null and b/Source/Images/d_bp/u15/cl.com differ
diff --git a/Source/Images/d_bp/u15/d.com b/Source/Images/d_bp/u15/d.com
new file mode 100644
index 00000000..190089c5
Binary files /dev/null and b/Source/Images/d_bp/u15/d.com differ
diff --git a/Source/Images/d_bp/u15/du.com b/Source/Images/d_bp/u15/du.com
new file mode 100644
index 00000000..c0506ffb
Binary files /dev/null and b/Source/Images/d_bp/u15/du.com differ
diff --git a/Source/Images/d_bp/u15/lu.com b/Source/Images/d_bp/u15/lu.com
new file mode 100644
index 00000000..80be2171
Binary files /dev/null and b/Source/Images/d_bp/u15/lu.com differ
diff --git a/Source/Images/d_bp/u15/ql.com b/Source/Images/d_bp/u15/ql.com
new file mode 100644
index 00000000..25dd41a2
Binary files /dev/null and b/Source/Images/d_bp/u15/ql.com differ
diff --git a/Source/Images/d_bp/u15/sd.com b/Source/Images/d_bp/u15/sd.com
new file mode 100644
index 00000000..286e19a0
Binary files /dev/null and b/Source/Images/d_bp/u15/sd.com differ