diff --git a/TODO b/TODO
index 3241c0fd..3210bd52 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,6 @@
 
+ *** WTF todo with alpha mask in binary blits ?!?!
+
  !!! reorganization of audio input
  !!! better interaction for encoded file and stream settings
  !!! code cleanup and enhancement of s-lang console
diff --git a/doc/freejscript-example.js b/doc/freejscript-example.js
index 576350e5..c918c00f 100644
--- a/doc/freejscript-example.js
+++ b/doc/freejscript-example.js
@@ -50,7 +50,8 @@ if(text) {
     text.size(40);
     text.spin(1.05, 0.2);
     for( c=0; c<10; c++) {
-       text.font(c+1);
+       //text.font(c+1);
+       text.font("/usr/share/fonts/truetype/freefont/FreeSans.ttf");
        numba = rand(c*10); // generate random numbers <(c*10)
        msg = c + ": " + numba;
        text.print(msg); // print it in truetype fonts on text layer
diff --git a/lib/javascript/config/Linux_All.mk b/lib/javascript/config/Linux_All.mk
index 0c43df4b..77f8af35 100644
--- a/lib/javascript/config/Linux_All.mk
+++ b/lib/javascript/config/Linux_All.mk
@@ -90,11 +90,11 @@ endif
 # Use the editline library to provide line-editing support.
 JS_EDITLINE = 1
 
-ifeq ($(CPU_ARCH),x86_64)
+##ifeq ($(CPU_ARCH),x86_64)
 # Use VA_COPY() standard macro on x86-64
 # FIXME: better use it everywhere
 OS_CFLAGS += -DHAVE_VA_COPY -DVA_COPY=va_copy
-endif
+##endif
 
 ifeq ($(CPU_ARCH),x86_64)
 # We need PIC code for shared libraries
diff --git a/src/blitter.cpp b/src/blitter.cpp
index 8ea22039..b1eb82b5 100644
--- a/src/blitter.cpp
+++ b/src/blitter.cpp
@@ -37,6 +37,14 @@
 
 
 // Linear transparent blits
+BLIT blit_xor(void *src, void *dst, int bytes, void *value) {
+  register int c;
+  register uint32_t *s = (uint32_t*)src;
+  register uint32_t *d = (uint32_t*)dst;
+
+  for(c=bytes>>2;c>0;c--,s++,d++)
+    *d ^= *s;
+}
 
 BLIT red_channel(void *src, void *dst, int bytes, void *value) {
   register int c;
@@ -386,6 +394,11 @@ Blitter::Blitter() {
   b->type = LINEAR_BLIT;
   b->fun = schiffler_or; blitlist.append(b);
 
+  b = new Blit(); b->set_name("XOR");
+  sprintf(b->desc,"bitwise xor");
+  b->type = LINEAR_BLIT;
+  b->fun = blit_xor; blitlist.append(b);
+
   b = new Blit(); b->set_name("RED");
   sprintf(b->desc,"red channel only blit");
   b->type = LINEAR_BLIT;