diff --git a/src/MyAzurShaders.h b/src/MyAzurShaders.h
index d092fda..9557aeb 100644
--- a/src/MyAzurShaders.h
+++ b/src/MyAzurShaders.h
@@ -3,4 +3,4 @@
 
 void azrp_pixel(int x1, int y1, int color);
 
-void azrp_pixellist(std::vector<Pixel*> list, int fragnum );
\ No newline at end of file
+void azrp_pixellist(std::vector<Pixel*> const &list, int fragnum );
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index afc1f62..026489e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -222,7 +222,7 @@ int main(void)
                 usb_fxlink_videocapture(false);
             }
 	
-    		if (textouput && usb_is_open())
+    		if (textoutput && usb_is_open())
             {
                 char texttosend[1024];
                 for(unsigned int i=0; i<MyStarField->MyStars.size(); i++)
diff --git a/src/pixellistshader.cpp b/src/pixellistshader.cpp
index db8d59e..a0b57a9 100644
--- a/src/pixellistshader.cpp
+++ b/src/pixellistshader.cpp
@@ -23,17 +23,19 @@ void azrp_shader_pixellist_configure(void)
 
 struct command {
     uint8_t shader_id;
-    std::vector<Pixel*> data;
+    uint16_t length;
+    Pixel * const *data;
 };
 
 
-void azrp_pixellist(std::vector<Pixel*> list, int fragnum )
+void azrp_pixellist(std::vector<Pixel*> const &list, int fragnum )
 {
     prof_enter(azrp_perf_cmdgen);
 
     struct command cmd;
     cmd.shader_id = AZRP_SHADER_PIXELLIST;
-    cmd.data = list;
+    cmd.length = list.size();
+    cmd.data = list.data();
 
     azrp_queue_command(&cmd, sizeof cmd, fragnum, 1);
     prof_leave(azrp_perf_cmdgen);
@@ -45,6 +47,8 @@ void azrp_shader_pixellist( void *uniforms, void *comnd, void *fragment )
     struct command *cmd = (struct command *) comnd;
     uint16_t *frag = (uint16_t *) fragment;
 
-    for( auto& pix : cmd->data )
+    for(int i = 0; i < cmd->length; i++) {
+        Pixel *pix = cmd->data[i];
         frag[azrp_width * pix->y + pix->x] = pix->c;
+    }
 }
\ No newline at end of file
diff --git a/src/starfield.cpp b/src/starfield.cpp
index 24ffe5a..53fc556 100644
--- a/src/starfield.cpp
+++ b/src/starfield.cpp
@@ -24,10 +24,13 @@ Star::Star( void )
 
     int colorrandom = rand() % 4;
 
+    color = 0xFFFF;
+/*
     if (colorrandom==0) color = 0xFFFF;
     else if (colorrandom==1) color = 0xFFE0;
     else if (colorrandom==2) color = 0xFB80;
     else color = 0xF80D;
+*/
 }
 
 Star::~Star()
@@ -55,7 +58,7 @@ Starfield::Starfield( )
 {
     srand(rtc_ticks());
 
-    for(int i=0; i<10; i++)
+    for(int i=0; i<100; i++)
     {
         Star *s = new Star( );
         MyStars.push_back( s );
@@ -79,10 +82,8 @@ Starfield::~Starfield( )
 
 void Starfield::Update( float dt )
 {
-//    for(auto& s : MyStars)
-//        s->Update( dt );
+    libnum::num a = libnum::num( dt / 50000.f );
 
-    libnum::num a = libnum::num( dt / 120000.f );
     for(auto& s : MyStars)
        s->Update( a );
 }