diff --git a/Source/Apps/copysl/Build.cmd b/Source/Apps/copysl/Build.cmd
index 22be44e8..17dc04ab 100644
--- a/Source/Apps/copysl/Build.cmd
+++ b/Source/Apps/copysl/Build.cmd
@@ -1,8 +1,11 @@
 @echo off
 setlocal
 
-:: copysl.com is currently distributed as a binary application, so
-:: it is not built here.
+set TOOLS=../../../Tools
+set PATH=%TOOLS%\tasm32;%PATH%
+set TASMTABS=%TOOLS%\tasm32
+
+tasm -t80 -g3 -fFF copysl.asm copysl.com copysl.lst || exit /b
 
 copy /Y copysl.com ..\..\..\Binary\Apps\ || exit /b
 copy /Y copysl.doc ..\..\..\Binary\Apps\ || exit /b
diff --git a/Source/Apps/copysl/Clean.cmd b/Source/Apps/copysl/Clean.cmd
index 2b4cb29c..9ecb428f 100644
--- a/Source/Apps/copysl/Clean.cmd
+++ b/Source/Apps/copysl/Clean.cmd
@@ -1,5 +1,6 @@
 @echo off
 setlocal
 
-:: copysl.com is currently distributed as a binary application, so
-:: we do not delete the .COM file.
\ No newline at end of file
+if exist *.com del *.com
+if exist *.lst del *.lst
+if exist *.bin del *.bin
diff --git a/Source/Apps/copysl/Makefile b/Source/Apps/copysl/Makefile
index 1024dc14..2cbe530c 100644
--- a/Source/Apps/copysl/Makefile
+++ b/Source/Apps/copysl/Makefile
@@ -1,7 +1,9 @@
 OBJECTS = copysl.com
-NODELETE = $(OBJECTS)
 DOCS = copysl.doc
 DEST = ../../../Binary/Apps
 DOCDEST = ../../../Binary/Apps
-TOOLS=../../../Tools
-include $(TOOLS)/Makefile.inc
+TOOLS =../../../Tools
+
+USETASM=1
+
+include $(TOOLS)/Makefile.inc
\ No newline at end of file
diff --git a/Source/Apps/copysl/copysl.com b/Source/Apps/copysl/copysl.com
deleted file mode 100644
index 269abbbb..00000000
Binary files a/Source/Apps/copysl/copysl.com and /dev/null differ
diff --git a/Source/HBIOS/Bank Layout.txt b/Source/HBIOS/Bank Layout.txt
index f7f957cb..afb8663d 100644
--- a/Source/HBIOS/Bank Layout.txt	
+++ b/Source/HBIOS/Bank Layout.txt	
@@ -71,7 +71,7 @@ Bank ID         Usage
 0x82            User TPA
 0x83            Common
 
-ROMless Standard Bank Layout (512K)
+ROMless Standard Bank Layout (512K): ZRC, ZRC512, EZ512, Z1RCC, ZZRCC, FZ80
 
 Bank ID         Usage
 -------         ------