gl_setdisplaystart3
Set the start of the screen are displayed
Usage
#include <vgagl.h>
vga gl_setdisplaystart(int x, int y);
Overview
Set the physical display start address to the pixel at (x, y).
Can be used for hardware scrolling, or for page flipping (e.g. setdisplaystart(0, HEIGHT) displays from the second page). Make sure the scanline width (BYTEWIDTH) in bytes of the current context corresponds with the physical screen.
Note also that the display start cannot be set to completely arbitrary points, see vga_setdisplaystart(3).
Releases
Unchanged in 5 releases since Debian 3.1 (Sarge).