PCPI-RTC.LBR - Real time clock using Applicard on-board Z80CTC

PCPI-RTC.LB� contain� sourc� an� assemble� version� o� � real-�
tim� cloc� fo� th� PCP� Applicard�  Th� RT� i� implemete� usin� �
th� on-boar� Z80CT� chip�  Th� CP/� promp� i� modifie� t� �
indicat� time� whic� i� update� eac� second�  � BIO� cal� i� als� �
provide� t� extrac� th� time� a� require� b� othe� applications�  �
Thi� specifi� applicatio� i� fo� us� wit� ZCPR2� bu� ma� b� �
modifie� fo� othe� CCPs.