diff --git a/Makefile b/Makefile
index 6a32bbf..116ed2a 100644
--- a/Makefile
+++ b/Makefile
@@ -14,9 +14,13 @@ lib/libssd1306.a:
 	@mkdir -p lib
 	@cp deps/ssd1306/bld/libssd1306.a lib/libssd1306.a
 
-flash:
+flash: avr
 	@make -f avr.Makefile flash
 
+run: linux
+	@make -f linux.Makefile run
+	
+
 clean:
 	@rm -r build
 	@echo clean all
diff --git a/linux.Makefile b/linux.Makefile
index 7f3236b..f6f1ca3 100644
--- a/linux.Makefile
+++ b/linux.Makefile
@@ -42,3 +42,7 @@ $(OBJDIR):
 clean:
 	@$(REMOVEDIR) "$(OBJDIR)"
 	@echo clean $(OBJDIR)
+
+run: $(OBJDIR)/$(TARGET)
+	@echo run $(OBJDIR)/$(TARGET)
+	@$(OBJDIR)/$(TARGET)
diff --git a/src/gfx/layout.cpp b/src/gfx/layout.cpp
index 01cd19c..7632851 100644
--- a/src/gfx/layout.cpp
+++ b/src/gfx/layout.cpp
@@ -46,6 +46,8 @@ int layout::expand_(int packedsize) {
         if (size > slots[i].content->maxsize)
             size = slots[i].content->maxsize;
         slots[i].size_ = size;
+        if(slots[i].canvas_)
+            delete slots[i].canvas_;
         slots[i].canvas_ = new canvas(size, maxheight_);
         pos += size;
     }
diff --git a/src/hal/avr.cpp b/src/hal/avr.cpp
index f560829..461f253 100644
--- a/src/hal/avr.cpp
+++ b/src/hal/avr.cpp
@@ -9,15 +9,11 @@
 #include <stdint.h>
 #include <hal/hal.h>
 
-uint8_t *canvasData;
-NanoCanvas *canvas;
+uint8_t canvasData[128 * (32 / 8)];
+NanoCanvas canvas(128, 32, canvasData);
 
 void hal_init_screen(int w, int h) {
     ssd1306_128x32_i2c_init();
-    ssd1306_fillScreen( 0x00 );
-    canvasData = new uint8_t[w * (h / 8)];
-    canvas = new NanoCanvas(w, h, canvasData);
-    canvas.clear();
 
     DDRD = 0;
     PORTD |= (1 << PC2) | (1 << PC3) | (1 << PC4) | (1 << PC5);
@@ -31,17 +27,16 @@ void hal_draw(int x, int y){
 void hal_poll_input(bool *ptr) {
     int in = PIND & 0x3c;
 
-    ptr[0] = in & (1 << PC2);
-    ptr[1] = in & (1 << PC3);
-    ptr[2] = in & (1 << PC4);
-    ptr[3] = in & (1 << PC5);
+    ptr[0] = !(in & (1 << PC2));
+    ptr[1] = !(in & (1 << PC3));
+    ptr[2] = !(in & (1 << PC4));
+    ptr[3] = !(in & (1 << PC5));
 
 }
 
 void hal_render() {
-
     while (true) {
-        canvas.clear();
+        ssd1306_fillScreen( 0x00 );
         render();
         canvas.blt(0, 0);
     }
diff --git a/src/main.cpp b/src/main.cpp
index 348b6e6..a415d41 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -31,19 +31,17 @@ int main() {
 
 	root = new menu("",
 					new menu("foo",
-							 new menu("bar",
-									  new menu("baz",
-											   new fooValue("I", 5),
-											   new fooValue("II", 5),
-											   new fooValue("III", 5),
-											   new fooValue("IIII", 5)
-									  ),
-									  new menu("peng",
-											   new fooValue("o", 5),
-											   new fooValue("oo", 5),
-											   new fooValue("o o", 5)
-									  )
-							 ),
+                             new menu("baz",
+                                      new fooValue("I", 5),
+                                      new fooValue("II", 5),
+                                      new fooValue("III", 5),
+                                      new fooValue("IIII", 5)
+                             ),
+                             new menu("peng",
+                                      new fooValue("o", 5),
+                                      new fooValue("oo", 5),
+                                      new fooValue("o o", 5)
+                             ),
 							 new menu("x",
 									  new fooValue("x x", 5),
 									  new fooValue("xxx", 5)
@@ -93,6 +91,8 @@ void buttons::onPush(int id, bool state) {
 					l.cursor = c;
 				}
 				break;
+			case I_UP:
+				break;
 			case I_RIGHT:
 				c = l.cursor;
 				if (c = c->getCursor()) {