diff --git a/.gitignore b/.gitignore
index 41c78f7..54c2cad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,7 +74,6 @@ roms/SHARP_MZ80A_RFS_IMAGE_1.img
 roms/cmp
 tools/Master0.z80
 tools/Master1.z80
-tools/assemble_rfs.sh
 src/tools/.flashmmcfg.c.swo
 src/tools/x
 CPM/1M44/DSK/CPM_1M44_RFS_1.DSK
diff --git a/tools/assemble_rfs.sh b/tools/assemble_rfs.sh
new file mode 100755
index 0000000..d05ff56
--- /dev/null
+++ b/tools/assemble_rfs.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+#########################################################################################################
+##
+## Name:            assemble_rfs.sh
+## Created:         August 2018
+## Author(s):       Philip Smart
+## Description:     Sharp MZ series RFS ROM assembly tool
+##                  This script takes Sharp MZ RFS ROMS in assembler format and compiles/assembles them
+##                  into a ROM file using the GLASS Z80 assembler.
+##
+## Credits:         
+## Copyright:       (c) 2018-23 Philip Smart <philip.smart@net2net.org>
+##
+## History:         August 2018   - Initial script written.
+##                  February 2023 - Updated as RFS extracted into seperate repository.
+##
+#########################################################################################################
+## This source file is free software: you can redistribute it and#or modify
+## it under the terms of the GNU General Public License as published
+## by the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This source file is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#########################################################################################################
+
+ROOTDIR=`pwd | sed 's/\/tools//g'`
+TOOLDIR=${ROOTDIR}/tools
+JARDIR=${ROOTDIR}/tools
+ASM=glass.jar
+BUILDROMLIST="rfs rfs_mrom"
+BUILDMZFLIST=""
+ASMDIR=${ROOTDIR}/asm
+ASMTMPDIR=${ROOTDIR}/tmp
+INCDIR=${ROOTDIR}/asm/include
+ROMDIR=${ROOTDIR}/roms
+MZFDIR=${ROOTDIR}/MZB/Common
+
+# Go through list and build image.
+#
+for f in ${BUILDROMLIST} ${BUILDMZFLIST}
+do
+    echo "Assembling: $f..."
+
+    # Assemble the source.
+    echo "java -jar ${JARDIR}/${ASM} ${ASMDIR}/${f}.asm ${ASMTMPDIR}/${f}.obj ${ASMTMPDIR}/${f}.sym"
+    java -jar ${JARDIR}/${ASM} ${ASMDIR}/${f}.asm ${ASMTMPDIR}/${f}.obj ${ASMTMPDIR}/${f}.sym -I ${INCDIR}
+
+    # On successful compile, perform post actions else go onto next build.
+    #
+    if [ $? = 0 ]
+    then
+        # The object file is binary, no need to link, copy according to build group.
+        if [[ ${BUILDROMLIST} = *"${f}"* ]]; then
+            echo "Copy ${ASMTMPDIR}/${f}.obj to ${ROMDIR}/${f}.rom"
+            cp ${ASMTMPDIR}/${f}.obj ${ROMDIR}/${f}.rom
+        else
+            echo "Copy ${ASMTMPDIR}/${f}.obj to ${MZFDIR}/${f}.mzf"
+            cp ${ASMTMPDIR}/${f}.obj ${MZFDIR}/${f}.mzf
+        fi
+    fi
+done