diff --git a/gbscreen.cpp b/gbscreen.cpp
index 0679165..30e6fc7 100644
--- a/gbscreen.cpp
+++ b/gbscreen.cpp
@@ -181,7 +181,8 @@ namespace gbscreen
             if ( (STAT&0x3)==3) {
                 uint16_t current_pixel = dots_in_scanline-80;
                 if (current_pixel<160) {
-                    *(ptr_pixel++) = line_buffer[current_pixel];
+                    //*(ptr_pixel++) = line_buffer[current_pixel];
+                    gb_pixels[current_pixel+LY*160] = line_buffer[current_pixel];
                 }
             }
 
@@ -255,13 +256,13 @@ namespace gbscreen
 
     void fullrefresh()
     {
-        /*uint32_t tmp = t_screen;
+        uint32_t tmp = t_screen;
         t_screen = 0;
-        uint8_t * tmp_ptr = ptr_pixel;
-        ptr_pixel = gb_pixels;
+        //uint8_t * tmp_ptr = ptr_pixel;
+        //ptr_pixel = gb_pixels;
         refresh(t_states_total, true);
-        ptr_pixel = tmp_ptr;
-        t_screen = tmp;*/
+        //ptr_pixel = tmp_ptr;
+        t_screen = tmp;
     }
 
     void debugrefresh(const uint32_t dt)
diff --git a/main.cpp b/main.cpp
index ffb0fe1..2d779a9 100644
--- a/main.cpp
+++ b/main.cpp
@@ -147,7 +147,8 @@ int main(int argc, char *argv[])
                         debug::history::gototop();
                         const uint8_t dt = sm83::step();
                         debug::refresh();
-                        gbscreen::fullrefresh();
+                        //gbscreen::fullrefresh();
+                        gbscreen::refresh(dt);
                         gbscreen::redraw();
                         //z80analyze::refresh();
                     }
diff --git a/mem.cpp b/mem.cpp
index a056a53..ef8db7e 100644
--- a/mem.cpp
+++ b/mem.cpp
@@ -5,6 +5,7 @@
 #include "mbc_none.h"
 namespace mem
 {
+    void (*reset)(void);
     uint8_t(*readMem)(uint16_t);
     void (*writeMem)(uint16_t, uint8_t);
     uint8_t(*getTag)(uint16_t);