diff --git a/MAsm-6.11.spec b/MAsm-6.11.spec
new file mode 100644
index 0000000000000000000000000000000000000000..a3f9119bf5beab955c458b6eb0daa7e3031ac504
--- /dev/null
+++ b/MAsm-6.11.spec
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+%define Nom	MAsm
+%define Version	6.11
+Name:		%{Nom}
+Version:	%{Version}
+Release:	d
+%define dir	%{Nom}-%{Version}
+Summary:	Microsoft Assembler and Debugger
+
+Group:		Development/Tools
+License:	(C) Copyright 1993, Microsoft Corporation
+#Source:	https://downloads.sourceforge.net/project/masm611/MASM611/masm611.rar
+URL:		https://sourceforge.net/projects/masm611/
+
+BuildArch:	noarch
+BuildRequires:	dosbox rsync
+Requires:	dosbox
+Prefix:		%{_datadir}
+# Use the .tar.gz version because the unrar isn't "free".
+Source0:	masm611.tar.gz
+# The manually installed result :
+Source1:	MAsm-6.11
+%description
+Microsoft Assembler and Debugger for use with dosbox.
+
+Sample dosbox config to put at the end of the ~/.dosbox/dosbox-*.conf :
+@echo off
+mount c: ~/.dosbox/C >NUL
+mount m: %{dir}/%{dir} >NUL
+mount p: ~/Projects/Assembler
+SET PATH=M:\MASM611\BIN;M:\DEBUG;%PATH%
+SET LIB=M:\MASM611\LIB
+SET INCLUDE=M:\MASM611\INCLUDE
+SET INIT=M:\MASM611\INIT
+SET HELPFILES=M:\MASM611\HELP\*.HLP
+SET ASMEX=M:\MASM611\SAMPLES
+SET TMP=C:\TMP
+SET DOSX=-swapdir C:\
+C:
+echo on
+%prep
+rm -rf %{_builddir}/%{dir}
+mkdir %{_builddir}/%{dir}
+
+%build
+# unrar x masm611.rar
+# dosbox -c 'mount i: /tmp/Install' -c 'I:\MASM611\DISK1\SETUP.EXE'
+cp -a ../SOURCES/%{dir}/* %{dir}/
+
+%install
+mkdir -p %{buildroot}/%{_datadir}
+rsync -a $RPM_BUILD_DIR/%{dir} %{buildroot}/%{_datadir}/
+
+%clean
+rm -rf %{buildroot}/*
+
+%files
+%attr(-,root,root)
+%{_datadir}/%{dir}
+
+%changelog
+
+* Thu Apr 9 2020 Jean-Claude.COLSON@univ-lorraine.fr
+
+- Création du rpm à partir du dossier recopié sur les machines de l'I.U.T. de Metz