diff --git a/lua.c b/lua.c
index 382b77bb..f281d5be 100644
--- a/lua.c
+++ b/lua.c
@@ -3,12 +3,13 @@
 ** Linguagem para Usuarios de Aplicacao
 */
 
-char *rcs_lua="$Id: lua.c,v 1.14 1996/09/24 17:30:28 roberto Exp roberto $";
+char *rcs_lua="$Id: lua.c,v 1.15 1997/04/04 22:24:51 roberto Exp roberto $";
 
 #include <stdio.h>
 #include <string.h>
 
 #include "lua.h"
+#include "auxlib.h"
 #include "lualib.h"
 
 
@@ -19,6 +20,74 @@ char *rcs_lua="$Id: lua.c,v 1.14 1996/09/24 17:30:28 roberto Exp roberto $";
 #endif
 
 
+#define DEBUG	1
+
+static void testC (void)
+{
+#if DEBUG
+#define getnum(s)	((*s++) - '0')
+#define getname(s)	(nome[0] = *s++, nome)
+
+  static int locks[10];
+  lua_Object reg[10];
+  char nome[2];
+  char *s = luaL_check_string(1);
+  nome[1] = 0;
+  while (1) {
+    switch (*s++) {
+      case '0': case '1': case '2': case '3': case '4':
+      case '5': case '6': case '7': case '8': case '9':
+        lua_pushnumber(*(s-1) - '0');
+        break;
+
+      case 'c': reg[getnum(s)] = lua_createtable(); break;
+
+      case 'P': reg[getnum(s)] = lua_pop(); break;
+
+      case 'g': { int n = getnum(s); reg[n] = lua_getglobal(getname(s)); break; }
+
+      case 'G': { int n = getnum(s);
+                  reg[n] = lua_rawgetglobal(getname(s));
+                  break;
+                }
+
+      case 'l': locks[getnum(s)] = lua_ref(1); break;
+      case 'L': locks[getnum(s)] = lua_ref(0); break;
+
+      case 'r': { int n = getnum(s); reg[n] = lua_getref(locks[getnum(s)]); break; }
+
+      case 'u': lua_unlock(locks[getnum(s)]); break;
+
+      case 'p': { int n = getnum(s); reg[n] = lua_getparam(getnum(s)); break; }
+
+      case '=': lua_setglobal(getname(s)); break;
+
+      case 's': lua_pushstring(getname(s)); break;
+
+      case 'o': lua_pushobject(reg[getnum(s)]); break;
+
+      case 'f': lua_call(getname(s)); break;
+
+      case 'i': reg[getnum(s)] = lua_gettable(); break;
+
+      case 'I': reg[getnum(s)] = lua_rawgettable(); break;
+
+      case 't': lua_settable(); break;
+
+      case 'T': lua_rawsettable(); break;
+
+      default: luaL_verror("unknown command in `testC': %c", *(s-1));
+
+    }
+  if (*s == 0) return;
+  if (*s++ != ' ') lua_error("missing ` ' between commands in `testC'");
+  }
+#else
+  lua_error("`testC' not active");
+#endif
+}
+
+
 static void manual_input (void)
 {
   if (isatty(0)) {
@@ -41,6 +110,7 @@ int main (int argc, char *argv[])
   iolib_open ();
   strlib_open ();
   mathlib_open ();
+  lua_register("testC", testC);
   if (argc < 2)
     manual_input();
   else for (i=1; i<argc; i++) {