PIA_DDR
pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */
pia(p)->crb |= PIA_DDR; /* make data register visible - default */
pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */
pia(p)->crb |= PIA_DDR; /* make data register visible - default */
pia(p)->crb &= ~PIA_DDR;
pia(p)->crb |= PIA_DDR;
pia(p)->cra &= ~PIA_DDR;
pia(p)->cra |= PIA_DDR;
pia(p)->crb &= ~PIA_DDR;
pia(p)->crb |= PIA_DDR;
pia(p)->cra &= ~PIA_DDR;
pia(p)->cra |= PIA_DDR;
pp->crb = PIA_DDR|32|8;
pp->cra = PIA_DDR;