diff --git a/Microsoft C v203/e.c b/Microsoft C v203/E.C
similarity index 100%
rename from Microsoft C v203/e.c
rename to Microsoft C v203/E.C
diff --git a/Microsoft C v203/tm.c b/Microsoft C v203/TM.C
similarity index 100%
rename from Microsoft C v203/tm.c
rename to Microsoft C v203/TM.C
diff --git a/Microsoft C v203/ttt.c b/Microsoft C v203/TTT.C
similarity index 100%
rename from Microsoft C v203/ttt.c
rename to Microsoft C v203/TTT.C
diff --git a/Microsoft C v203/m.sh b/Microsoft C v203/m.sh
new file mode 100644
index 0000000..fce2b16
--- /dev/null
+++ b/Microsoft C v203/m.sh	
@@ -0,0 +1,12 @@
+str=$(tr '[a-z]' '[A-Z]' <<< $1)
+
+rm $str.OBJ 2>/dev/null
+rm $str.MAP 2>/dev/null
+rm $str.EXE 2>/dev/null
+
+ntvdm -r:. -u mc1 $str
+ntvdm -r:. -u mc2 $str
+ntvdm -r:. -u link $str + cs + gettm,, $str.map, mcs
+
+rm $str.OBJ 2>/dev/null
+rm $str.MAP 2>/dev/null
diff --git a/Microsoft C v203/tphi.c b/Microsoft C v203/tphi.c
deleted file mode 100644
index fbd4b3f..0000000
--- a/Microsoft C v203/tphi.c	
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <stdio.h>
-
-#define unsigned
-
-typedef unsigned long uint32_t;
-
-int main()
-{
-    uint32_t limit = 40;
-    uint32_t prev2 = 1;
-    uint32_t prev1 = 1;
-    uint32_t next, i, last_shown = 0;
-
-    printf( "should tend towards 1.61803398874989484820458683436563811772030\n" );
-
-    for ( i = 1; i <= limit; i++ )
-    {
-        next = prev1 + prev2;
-        prev2 = prev1;
-        prev1 = next;
-
-        if ( i == ( last_shown + 5 ) )
-        {
-            last_shown = i;
-            printf( "  at %2lu iterations: %lf\n", i, (double) prev1 / (double) prev2 );
-        }
-    }
-
-    printf( "done\n" );
-    return 0;
-}
diff --git a/Microsoft C v203/tpi.c b/Microsoft C v203/tpi.c
deleted file mode 100644
index 07055b0..0000000
--- a/Microsoft C v203/tpi.c	
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <stdio.h>
-
-#define HIGH_MARK 500 /* 2800 */
-
-static long r[HIGH_MARK + 1];
-
-int main() {
-    long i, k, c;
-    long b, d;
-    long iter;
-
-    int iterations = 1;
-
-    for ( iter = 0; iter < iterations; iter++ ) {
-        c = 0;
-
-        for (i = 0; i < HIGH_MARK; i++) {
-            r[i] = 2000;
-        }
-    
-        for (k = HIGH_MARK; k > 0; k -= 14) {
-            d = 0;
-    
-            i = k;
-            for (;;) {
-                d += r[i] * 10000;
-                b = 2 * i - 1;
-    
-                r[i] = d % b;
-                d /= b;
-                i--;
-                if (i == 0) break;
-                d *= i;
-            }
-            if ( iter == ( iterations - 1 ) )
-            {
-                printf( "%.4d", c + d / 10000 );
-                fflush( stdout );
-            }
-            c = d % 10000;
-        }
-    }
-
-    printf( "\n" );
-    return 0;
-}