framebuffer编程(framebuffer format) 如果你的屏幕为800x600,各参数设定为xres = 800 yres = 600 xres_virtual = 800 xres_virtual = 600x2 = 1200 缺省的yoffset = 0显示的是0,0到800,600到可视区 当你设定yoffset = 600时 0,600到。...