diff --git a/radio/src/lcd_common.cpp b/radio/src/lcd_common.cpp
index 139057305..2580759c6 100644
--- a/radio/src/lcd_common.cpp
+++ b/radio/src/lcd_common.cpp
@@ -51,7 +51,87 @@ uint8_t lcdLastPos;
 uint8_t lcdNextPos;
 
 #if defined(CPUARM)
-void lcdPutPattern(xcoord_t x, uint8_t y, const uint8_t * pattern, uint8_t width, uint8_t height, LcdFlags flags);
+void lcdPutPattern(xcoord_t x, uint8_t y, const uint8_t * pattern, uint8_t width, uint8_t height, LcdFlags flags)
+{
+  bool blink = false;
+  bool inv = false;
+  if (flags & BLINK) {
+    if (BLINK_ON_PHASE) {
+      if (flags & INVERS)
+        inv = true;
+      else {
+        blink = true;
+      }
+    }
+  }
+  else if (flags & INVERS) {
+    inv = true;
+  }
+
+  uint8_t lines = (height+7)/8;
+  assert(lines <= 5);
+
+  for (int8_t i=0; i<width+2; i++) {
+    if (x<LCD_W) {
+      uint8_t b[5] = { 0 };
+      if (i==0) {
+        if (x==0 || !inv) {
+          lcdNextPos++;
+          continue;
+        }
+        else {
+          // we need to work on the previous x when INVERS
+          x--;
+        }
+      }
+      else if (i<=width) {
+        uint8_t skip = true;
+        for (uint8_t j=0; j<lines; j++) {
+          b[j] = pgm_read_byte(pattern++); /*top byte*/
+          if (b[j] != 0xff) {
+            skip = false;
+          }
+        }
+        if (skip) {
+          if (flags & FIXEDWIDTH) {
+            for (uint8_t j=0; j<lines; j++) {
+              b[j] = 0;
+            }
+          }
+          else {
+            continue;
+          }
+        }
+        if ((flags & CONDENSED) && i==2) {
+          /*condense the letter by skipping column 3 */
+          continue;
+        }
+      }
+
+      for (int8_t j=-1; j<=height; j++) {
+        bool plot;
+        if (j < 0 || j == height) {
+          plot = false;
+          if (height >= 12) continue;
+          if (j<0 && !inv) continue;
+        }
+        else {
+          uint8_t line = (j / 8);
+          uint8_t pixel = (j % 8);
+          plot = b[line] & (1 << pixel);
+        }
+        if (inv) plot = !plot;
+        if (!blink) {
+          lcd_plot(x, y+j, plot ? FORCE : ERASE);
+        }
+      }
+    }
+
+    x++;
+    lcdNextPos++;
+  }
+}
+
 void lcd_putcAtt(xcoord_t x, uint8_t y, const unsigned char c, LcdFlags flags)
 {
 #if !defined(BOOT)
@@ -94,7 +174,7 @@ void lcd_putcAtt(xcoord_t x, uint8_t y, const unsigned char c, LcdFlags flags)
   }
   else if (flags & MIDSIZE) {
     q = &font_8x10[((uint16_t)c-0x20)*16];
-    lcdPutPattern(x, y, q, 8, 11, flags);
+    lcdPutPattern(x, y, q, 8, 12, flags);
   }
   else if (flags & SMLSIZE) {
     q = (c < 0xc0 ? &font_4x6[(c-0x20)*5] : &font_4x6_extra[(c-0xc0)*5]);
diff --git a/radio/src/lcd_default.cpp b/radio/src/lcd_default.cpp
index d15e16681..69a1c73c6 100755
--- a/radio/src/lcd_default.cpp
+++ b/radio/src/lcd_default.cpp
@@ -38,110 +38,7 @@
 
 #define LCD_BYTE_FILTER(p, keep, add) *(p) = (*(p) & (keep)) | (add)
 
-#if defined(CPUARM)
-void lcdPutPattern(xcoord_t x, uint8_t y, const uint8_t * pattern, uint8_t width, uint8_t height, LcdFlags flags)
-{
-  uint8_t *p = &displayBuf[ y / 8 * LCD_W + x ];
-  uint8_t *end = &displayBuf[ y / 8 * LCD_W + LCD_W ];
-
-  bool blink = false;
-  bool inv = false;
-  if (flags & BLINK) {
-    if (BLINK_ON_PHASE) {
-      if (flags & INVERS)
-        inv = true;
-      else {
-        blink = true;
-      }
-    }
-  }
-  else if (flags & INVERS) {
-    inv = true;
-  }
-
-  uint8_t lines = (height+7)/8;
-  assert(lines <= 5);
-
-  for (int8_t i=0; i<width+2; i++) {
-    if (p<end) {
-      uint8_t b[5] = { 0 };
-      if (i==0) {
-        if (x==0 || !inv) {
-          lcdNextPos++;
-          continue;
-        }
-        else {
-          // we need to work on the previous byte when INVERS
-          p--;
-        }
-      }
-      else if (i<=width) {
-        uint8_t skip = true;
-        for (uint8_t j=0; j<lines; j++) {
-          b[j] = pgm_read_byte(pattern++); /*top byte*/
-          if (b[j] != 0xff) {
-            skip = false;
-          }
-        }
-        if (skip) {
-          if (flags & FIXEDWIDTH) {
-            for (uint8_t j=0; j<lines; j++) {
-              b[j] = 0;
-            }
-          }
-          else {
-            continue;
-          }
-        }
-        if ((flags & CONDENSED) && i==2) {
-          /*condense the letter by skipping column 3 */
-          continue;
-        }
-      }
-      const uint8_t ym8 = (y & 0x07);
-      const uint8_t keepref = (1 << ((height&0x07)+1)) - 1;
-      uint8_t * dest = p;
-      for (uint8_t j=0; j<lines+1; j++) {
-        if (dest < DISPLAY_END) {
-          uint8_t b1=0, b2=0, keep=0;
-          if (j>0) {
-            b1 = b[j-1] >> (8-ym8);
-          }
-          else {
-            keep = ~(keepref << ym8);
-          }
-          if (j<lines) {
-            if (inv) {
-              b[j] = ~b[j];
-            }
-            b2 = b[j] << ym8;
-          }
-          else {
-            keep = ~(keepref >> (8-ym8));
-          }
-          if (!blink) {
-            LCD_BYTE_FILTER(dest, keep, b1|b2);
-          }
-          dest += LCD_W;
-        }
-      }
-
-      if (inv && height<8) {
-        if (ym8) {
-          lcd_mask(p, 0x01 << (ym8-1), FORCE);
-        }
-        else if (y) {
-          ASSERT_IN_DISPLAY(p - LCD_W);
-          lcd_mask(p - LCD_W, 0x80, FORCE);
-        }
-      }
-    }
-
-    p++;
-    lcdNextPos++;
-  }
-}
-#else
+#if !defined(CPUARM)
 void lcd_putcAtt(xcoord_t x, uint8_t y, const unsigned char c, LcdFlags flags)
 {
   uint8_t *p = &displayBuf[ y / 8 * LCD_W + x ];
diff --git a/radio/src/tests/dblsize_128x64.png b/radio/src/tests/dblsize_128x64.png
new file mode 100755
index 000000000..b18c73888
Binary files /dev/null and b/radio/src/tests/dblsize_128x64.png differ
diff --git a/radio/src/tests/dblsize_212x64.png b/radio/src/tests/dblsize_212x64.png
new file mode 100644
index 000000000..81f2271ba
Binary files /dev/null and b/radio/src/tests/dblsize_212x64.png differ
diff --git a/radio/src/tests/lcd.cpp b/radio/src/tests/lcd.cpp
index 917b1cddd..723afd9ea 100644
--- a/radio/src/tests/lcd.cpp
+++ b/radio/src/tests/lcd.cpp
@@ -191,3 +191,36 @@ TEST(Lcd, vline)
   }
   EXPECT_TRUE(checkScreenshot("vline"));
 }
+
+TEST(Lcd, Stdsize)
+{
+  lcd_clear();
+  lcd_putsAtt(0, 0, "TEST", 0);
+  lcd_putsAtt(10, 22, "TEST", INVERS);
+  lcd_filled_rect(8, 40, 100, 20);
+  lcd_putsAtt(10, 42, "TEST", 0);
+  EXPECT_TRUE(checkScreenshot("stdsize"));
+}
+
+#if defined(CPUARM)
+TEST(Lcd, Midsize)
+{
+  lcd_clear();
+  lcd_putsAtt(0, 0, "TEST", MIDSIZE);
+  lcd_putsAtt(10, 22, "TEST", MIDSIZE|INVERS);
+  lcd_filled_rect(8, 40, 100, 20);
+  lcd_putsAtt(10, 42, "TEST", MIDSIZE);
+  EXPECT_TRUE(checkScreenshot("midsize"));
+}
+
+TEST(Lcd, Dblsize)
+{
+  lcd_clear();
+  lcd_putsAtt(2, 10, "TST", DBLSIZE);
+  lcd_putsAtt(42, 10, "TST", DBLSIZE|INVERS);
+  lcd_filled_rect(80, 8, 46, 24);
+  lcd_putsAtt(82, 10, "TST", DBLSIZE);
+  EXPECT_TRUE(checkScreenshot("dblsize"));
+}
+
+#endif
diff --git a/radio/src/tests/midsize_128x64.png b/radio/src/tests/midsize_128x64.png
new file mode 100755
index 000000000..316f7c0f9
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diff --git a/radio/src/tests/midsize_212x64.png b/radio/src/tests/midsize_212x64.png
new file mode 100644
index 000000000..e043e45ef
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diff --git a/radio/src/tests/prec1_dblsize_invers_212x64.png b/radio/src/tests/prec1_dblsize_invers_212x64.png
index ae5a69b31..7d5f0b2b6 100755
Binary files a/radio/src/tests/prec1_dblsize_invers_212x64.png and b/radio/src/tests/prec1_dblsize_invers_212x64.png differ
diff --git a/radio/src/tests/stdsize_128x64.png b/radio/src/tests/stdsize_128x64.png
new file mode 100644
index 000000000..f2ef3b6f3
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diff --git a/radio/src/tests/stdsize_212x64.png b/radio/src/tests/stdsize_212x64.png
new file mode 100644
index 000000000..9b5894739
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