Added a make file

makefile

@@ -0,0 +1,82 @@
+#
+#  makefile - NT Virtual CP/M Machine.
+#
+#  License CC0 1.0 Universal 
+#
+#  https://stackoverflow.com/questions/1079832/
+#
+#  08 Feb 25   0.1   - Initial version - MT
+#                    - Added the ability to create debug code using target-
+#                      specific variable values - MT
+#
+#  Usage:
+#
+#  make              - Incremental make.
+#  make all		
+#  make release      - Rebuild application using release flags.  
+#  make debug	     - Rebuild application using debug flags.  
+#  make clean        - Deletes object files
+#  make VERBOSE=1    - Verbose output
+#  make backup       - Backup files
+#
+
+PROJECT	= gcc-ntvcm
+PROGRAM	= ntvcm
+SOURCES = ntvcm.cxx x80.cxx
+FILES	= *.cxx *.hxx LICENSE README.md makefile *.md .gitignore #.gitattributes
+OBJECTS	= $(SOURCES:.cxx=.o)
+OUTPUT	= $(PROGRAM).out
+LANG	= LANG_$(shell (echo $$LANG | cut -f 1 -d '_'))
+COMMIT	!= git log -1 HEAD --format=%h 2> /dev/null
+BUILD	!= printf "%04d" $(shell git rev-list --count HEAD 2> /dev/null)
+UNAME	!= uname
+CC	= g++
+
+LIBS	= 
+LFLAGS	= -static
+CFLAGS	= -ggdb -fno-builtin -I .
+
+ifndef VERBOSE
+VERBOSE	= 0
+endif
+
+ifneq ($(COMMIT),)
+CFLAGS	+= -DCOMMIT_ID='" [Commit Id: $(COMMIT)]"'
+endif
+
+ifneq ($(BUILD),)
+CFLAGS	+= -DBUILD='".$(BUILD)"'
+endif
+
+all: CFLAGS	+= -flto -Ofast -D NDEBUG
+all: $(PROGRAM) $(OBJECTS)
+
+$(PROGRAM): $(OBJECTS)
+ifneq ($(VERBOSE),0)
+	@echo
+	@echo $(CC) $(LFLAGS) $(OBJECTS) -o $@ $(LIBS)
+	@echo
+endif
+	@$(CC) $(LFLAGS) $(OBJECTS) -o $@ $(LIBS)
+	@ls --color $@  
+
+$(OBJECTS) : $(SOURCES)
+ifneq ($(VERBOSE),0)
+	@echo 
+	@echo $(CC) $(CFLAGS) -c $(SOURCES)
+endif
+	@$(CC) $(CFLAGS) -c $(SOURCES)
+
+release: clean
+release: all
+
+debug: clean
+debug: CFLAGS	+= -Og -D DEBUG
+debug: $(PROGRAM)
+
+clean:
+#	@rm -f $(PROGRAM) # -v
+	@rm -f $(OBJECTS) # -v
+
+backup: clean
+	@echo "$(PROJECT)-`date +'%Y%m%d%H%M'`.tar.gz"; tar -czpf ..\/$(PROJECT)-`date +'%Y%m%d%H%M'`.tar.gz $(FILES)	

ntvcm.cxx

@@ -45,6 +45,7 @@
 #include <djl_con.hxx>
 #include <djl_cycle.hxx>
 
+#define  AUTHOR     "David Lee"
 #define  FILENAME   "ntvcm"
 #define  VERSION    "0.1"
 #if !defined(BUILD)
@@ -2914,7 +2915,6 @@ void version()  // Display version information
       printf( "0%c %c%c%c %s %s\n", __DATE__[5], __DATE__[0], __DATE__[1], __DATE__[2], &__DATE__[7], __TIME__ );
    else
       printf( "%c%c %c%c%c %s %s\n", __DATE__[4], __DATE__[5], __DATE__[0], __DATE__[1], __DATE__[2], &__DATE__[7], __TIME__ );
-   exit( 0 );
 } // version
 
 void error( char const * perr = 0 )
@@ -3068,7 +3068,11 @@ int main( int argc, char * argv[] )
                 char ca = (char)( parg[1] );
 
                 if ( 'V' == ca )
+                {
                     version();
+                    printf("License CC0 1.0 Universal: See <https://creativecommons.org/publicdomain/zero/1.0/>.\n");
+                    exit(0);
+                }
 #if defined( _WIN32 )  // Windows only
                 else if ( 'C' == parg[1] ) // MT - moved other wise option would be converted to lower case before it was tested
                     force80x24 = true;