blabla
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.