diff --git a/avrtft.c b/avrtft.c
index b0c8f82..2852e96 100644
--- a/avrtft.c
+++ b/avrtft.c
@@ -111,19 +111,16 @@
 
     // enable global interrupts
     sei();
+    
+    initDisplay();
 
     while (true) {
         
         // show a demo once at the start
         if (!once && ints >= INTS_SEC) {
             // setFrame(0x00);
-            initDisplay();
-            // writeBitmap(0, 140, BLUSH);
             hackDemo();
-            updateDisplay();
-            // max resolution image
-            // writeBitmap(0, 0, PHOTO);
-            // display();
+            writeBitmap(0, 88, BLUSH);
             once = true;
         }
 
diff --git a/cmd.c b/cmd.c
index e2cb33c..d6761ba 100644
--- a/cmd.c
+++ b/cmd.c
@@ -65,20 +65,12 @@
 }
 
 /**
- * Updates the display.
- */
-static void update(void) {
-    display();
-}
-
-/**
  * Writes the Hack demo.
  */
 static void demo(void) {
     setFrame(0x00);
-    // writeBitmap(1, 198, TUX);
     hackDemo();
-    display();
+    writeBitmap(0, 88, BLUSH);
 }
 
 void handleCmd(char *data) {
@@ -89,7 +81,6 @@
         case CMD_TEXT:   text(data); break;
         case CMD_BITMAP: bitmap(data); break;
         case CMD_DEMO:   demo(); break;
-        case CMD_UPDATE: update(); break;
         default: break;
     }
 }
diff --git a/display.c b/display.c
index cea82e5..9264149 100644
--- a/display.c
+++ b/display.c
@@ -57,18 +57,10 @@
 void hackDemo(void) {
     const __flash Font *hack = &hackFont;
     
-    // writeString(0 * hack->height, 0, hack, "ö");
-    writeDisplay(16, 0, hack->glyphs[3].bitmap, 8, 16, COLOR_GREY4);
-    
-//    for (uint8_t i = 0; i < HACK_DEMO_SIZE; i++) {
-//        const __flash char *line = demoTextLines[i];
-//        char buf[HACK_DEMO_LINE_SIZE];
-//        strlcpy_P(buf, line, HACK_DEMO_LINE_SIZE - 1);
-//        writeString(i * hack->height, 0, hack, buf);
-//    }
-}
-
-void display() {
-    initDisplay();
-    updateDisplay();
+    for (uint8_t i = 0; i < HACK_DEMO_SIZE; i++) {
+        const __flash char *line = demoTextLines[i];
+        char buf[HACK_DEMO_LINE_SIZE];
+        strlcpy_P(buf, line, HACK_DEMO_LINE_SIZE - 1);
+        writeString(i * hack->height, 0, hack, buf);
+    }
 }
diff --git a/display.h b/display.h
index 5a1cc84..631874c 100644
--- a/display.h
+++ b/display.h
@@ -49,6 +49,4 @@
  */
 void hackDemo(void);
 
-void display(void);
-
 #endif /* DISPLAY_H */
diff --git a/hack.c b/hack.c
index 71737db..18f7ae0 100644
--- a/hack.c
+++ b/hack.c
@@ -22,19 +22,20 @@
 #define WIDTH 8
 #define HEIGHT 16
 
-static const __flash char demo1[] = "Hello Hack!";
-static const __flash char demo2[] = "!\"#$%&'()*+,-./0123";
+static const __flash char demo1[] = "Hello Hack!     \"#$%";
+static const __flash char demo2[] = "&'()*+,-./0123456789";
 static const __flash char demo3[] = "ABCDEFGHIJKLMNOPQRST";
-static const __flash char demo4[] = ":;<=>?@[\\]^_`{|}~×÷";
-static const __flash char demo5[] = "abcdefghijklmnopqrst";
+static const __flash char demo4[] = "UVWXYZabcdefghijklmn";
+static const __flash char demo5[] = "opqrstuvwxyz        ";
 static const __flash char demo6[] = "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓ";
 static const __flash char demo7[] = "àáâãäåæçèéêëìíîïðñòó";
+static const __flash char demo8[] = ":;<=>?@[\\]^_`{|}~×÷ ";
 
 /**
  * Demo text.
  */
 const __flash char* demoTextLines[HACK_DEMO_SIZE] = {
-    demo1, demo2, demo3, demo4, demo5, demo6, demo7
+    demo1, demo2, demo3, demo4, demo5, demo6, demo7, demo8
 };
 
 static const __flash uint8_t SPACE[] = {
diff --git a/hack.h b/hack.h
index ea9844c..df0086d 100644
--- a/hack.h
+++ b/hack.h
@@ -19,7 +19,7 @@
 
 #include "font.h"
 
-#define HACK_DEMO_SIZE 7
+#define HACK_DEMO_SIZE 8
 #define HACK_DEMO_LINE_SIZE 64
 
 /**
diff --git a/tft.c b/tft.c
index 98d4270..a82876b 100644
--- a/tft.c
+++ b/tft.c
@@ -108,6 +108,16 @@
     displayData(0b01110110);
     displayDes();
     
+    // DISPON
+    displaySel();
+    displayCmd(DISPON);
+    displayDes();
+    
+    // SLPIN
+    // displaySel();
+    // displayCmd(SLPIN);
+    // displayDes();
+    
     printString("done initializing display\r\n");
 }
 
@@ -115,8 +125,6 @@
                   const __flash uint8_t *bitmap,
                   width_t width, height_t height,
                   uint8_t color) {
-    
-    uint16_t bytes = width * height * 2;
 
     // CASET
     uint16_t ys = col;
@@ -146,12 +154,14 @@
     displaySetData();
 
     if (color == COLOR_RGB16) {
+        uint16_t bytes = width * height * 2;
         for (uint16_t i = 0; i < bytes; i++) {
             transmit(bitmap[i]);
         }
     }
 
     if (color == COLOR_GREY4) {
+        uint16_t bytes = width * height / 2;
         for (uint16_t i = 0; i < bytes; i++) {
             uint8_t rgb[4];
             fourBitGreyTo16BitRGB(bitmap[i], rgb);
@@ -163,18 +173,3 @@
 
     displayDes();    
 }
-
-void updateDisplay(void) {
-
-    // DISPON
-    displaySel();
-    displayCmd(DISPON);
-    displayDes();
-    
-    // SLPIN
-    // displaySel();
-    // displayCmd(SLPIN);
-    // displayDes();
-    
-    printString("done updating display\r\n");
-}
\ No newline at end of file
diff --git a/tft.h b/tft.h
index 576e6e6..52c610d 100644
--- a/tft.h
+++ b/tft.h
@@ -61,9 +61,4 @@
                   width_t width, height_t height,
                   uint8_t color);
 
-/**
- * Updates the display.
- */
-void updateDisplay(void);
-
 #endif /* TFT_H */