mapped controller.">VGAController</a>, at the same resolution. Each pixel is represented by 2 bits, which is an index to a palette of 4 colors. Each byte of the frame buffer contains four pixels. For example, a frame buffer of 640x480 requires about 75K of RAM.</p>
<p ><a class="el" href="classfabgl_1_1_v_g_a4_controller.html" title="Represents the VGA 4 colors bitmapped controller.">VGA4Controller</a> output consumes up to 11% of one CPU core (measured at 640x480x60Hz). Anyway this allows to have more RAM 