reworked stdio and preprocessor

@@ -10,7 +10,7 @@ def _lnomap (line) :
 def cpp (path, arch, args) :
     lmap = {}
     code = []
-    args = ["cpp", "-D__CCT__=%s" % arch] + args + [path]
+    args = ["cpp", "-D__CCT__", "-D__CCT_%s__" % arch] + args + [path]
     pos = 1
     out = subprocess.check_output(args)
     for line in (l.rstrip() for l in out.decode().splitlines()) :

-#ifdef __CCT__
+// CCT compiler with TTC backend
+#ifdef __CCT_ttc__
 extern int putc(char c);
 #define neg(i) -i
 #define UINT(i) i
 #define _DIGITS "0123456789ABCDEF"
 #define _STR "65536"
-#else
+#endif
+
+// CCT compiler with x86 backend
+#ifdef __CCT_x86__
+extern int putchar(int c);
+#define putc(c) putchar(c)
+#define neg(i) -i
+#define UINT(i) i
+#define _DIGITS "0123456789ABCDEF"
+#define _STR "65536"
+#endif
+
+// regular compiler
+#ifndef __CCT__
 extern int putchar(int c);
 #define putc(c) putchar(c)
 #define neg(i) ~i + 1