PIC_GIO32ARB_SLOT_SLAVE
reg &= ~(PIC_GIO32ARB_SLOT_SLAVE | PIC_GIO32ARB_SLOT_LONG);
reg &= ~(PIC_GIO32ARB_SLOT_SLAVE | PIC_GIO32ARB_SLOT_LONG);
reg &= ~PIC_GIO32ARB_SLOT_SLAVE;
reg |= PIC_GIO32ARB_SLOT_SLAVE;