NCR 7870 manual Host Reset of Tallies, C5H C0H

Chapter 7: Programming 7-67

The NCR 7870 response to the host request (tally count = 23,456):

Send Tally Count				NCR OCIA			Non-NCR OCIA
00H	03H	00H	00H	C0H 03H		C5H C0H	80H	83H	85H	80H
02H	03H	04H	05H	C0H 42H		03H 84H	80H	02H	83H	04H
06H				C5H A6H C0H 03H			85H	46H
				C0H C0H 42H 03H			With Parity & EOM
				84H	C5H A6H C0H
				03H	C0H C0H 42H
				03H	84H C5H A6H

With Parity & EOM

Host Reset of Tallies

The host terminal can reset the tally counts using the Long Format OCIA, Short Format OCIA, Single-Cable Scanner/Scale OCIA (parity bits, EOM bits or BCC bytes are not shown), RS-232, and IBM 4683 formats. The OCIA and RS-232 command is given in the following chart:

Host terminal request to reset tally counts (OCIA & RS-232)

OCIA	RS-232
00H 03H 0DH xxH	44H 43H
XxH = 00H or BBC
(where protocol calls for BBC)

An IBM host terminal request to reset tally counts

4A xx 00 33 3D 3C 00 xx xx 7E

Address

Frame

Request

CRC Bytes (2)

End Byte

16827