vgacon_set_cursor_size
vgacon_set_cursor_size(31, 30);
vgacon_set_cursor_size(31, 31);
vgacon_set_cursor_size(c_height - (c_height < 10 ? 2 : 3),
vgacon_set_cursor_size(c_height / 3,
vgacon_set_cursor_size(c_height * 2 / 3,
vgacon_set_cursor_size(c_height / 2,
vgacon_set_cursor_size(31, 30);
vgacon_set_cursor_size(31, 31);
vgacon_set_cursor_size(1, c_height);