changed:
#helpTextFor:at:
#keyPress:x:y:view:
better user experience
#define b_moveDown_width 16
#define b_moveDown_height 16
static unsigned char b_moveDown_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xf0, 0x07, 0xe0, 0x03, 0xc0, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};