Diff: vga640x400.h

Revision:

6:1d73ad03f172

Parent:

5:c34147b65f7d

Child:

7:746c1bf00d40

--- a/vga640x400.h	Wed Aug 10 11:34:11 2011 +0000
+++ b/vga640x400.h	Wed Aug 10 11:40:55 2011 +0000
@@ -3,7 +3,13 @@
 
 /**
  * @file vga640x400.h
- * Generate a 640x400 VGA signal
+ * Generate a 640x400 VGA signal.
+ *
+ * The following mbed pins are used:
+ * DIP5 - Monochrome bitstream (connect to R, G and B through 470R resistors)
+ * DIP8 - VSYNC
+ * DIP25 - HSYNC
+ * GND
  */
  
 extern unsigned char text_buffer[80*25]; ///< 80x25 screen buffer, i.e. 25 lines of 80 characters.
@@ -11,7 +17,7 @@
                                          ///< Each character is 8 pixels wide and 16 pixels high.
                                          ///< The font consists of 16 groups of 256 bytes.
                                          ///< i.e. 256 times the first byte of each character, then
-                                         ///< 256 times second byte of each character, and so on.
+                                         ///< 256 times the second byte of each character, and so on.
                                          ///< This differs from the most common way bitmap fonts are
                                          ///< ordered, so you have to preprocess your font data first.