--- a/ht16k33_matrix.py	Wed Jun 29 11:43:28 2016 +0200
+++ b/ht16k33_matrix.py	Wed Aug 17 13:25:17 2016 +0200
@@ -32,7 +32,7 @@
                         _HT16K33_BLINK_DISPLAYON | rate << 1)
 
     def brightness(self, brightness):
-        """Get or set the brightness."""
+        """Get or set the brightness (0-15)."""
         if brightness is None:
             return self._brightness
         brightness = brightness & 0x0F
@@ -66,7 +66,7 @@
     """The double matrix."""
 
     def pixel(self, x, y, color=None):
-        """Set a single pixel in the frame buffer to specified color."""
+        """Set a single pixel to specified color."""
         if not 0 <= x <= 15:
             return
         if not 0 <= y <= 7:
@@ -81,10 +81,34 @@
     """The single matrix."""
 
     def pixel(self, x, y, color=None):
-        """Set a single pixel in the frame buffer to specified color."""
+        """Set a single pixel to specified color."""
         if not 0 <= x <= 7:
             return
         if not 0 <= y <= 7:
             return
         x = (x - 1) % 8
         return super()._pixel(x, y, color)
+
+
+class Matrix8x8x2(HT16K33):
+    """The bi-color matrix."""
+
+    def pixel(self, x, y, color=None):
+        """Set a single pixel to specified color."""
+        if not 0 <= x <= 7:
+            return
+        if not 0 <= y <= 7:
+            return
+        if color is not None:
+            super()._pixel(y, x, (color & 0x01))
+            super()._pixel(y + 8, x, (color >> 1) & 0x01)
+        else:
+            return super()._pixel(y, x) | super()._pixel(y + 8, x) << 1
+
+    def fill(self, color):
+        """Fill the display with given color."""
+        fill1 = 0xff if color & 0x01 else 0x00
+        fill2 = 0xff if color & 0x02 else 0x00
+        for i in range(8):
+            self.buffer[i * 2] = fill1
+            self.buffer[i * 2 + 1] = fill2