NCR 7870 manual An IBM host terminal request for tally C1

Chapter 7: Programming 7-65

Example 2

Host requesting tally C3.

30H

b3H 3dH 32H b3H 8fH

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

30H 33H

33H 30H 30H

32H 33H 34H 35H 36H

BCC (with EOM Bit)

16824

Example 3

An IBM host terminal request for tally C1.

4A xx 00 33 3D 32 31 xx xx 7E

Address

Frame

Request

CRC Bytes (2)

End Byte

The NCR 7870 response to the host request.

4A xx xx xx xx 32 00 00 02 03 04 05 06 31 xx xx 7E

Scanner Address

Frame Counts

Scanner Status Bytes (3)

Pacesetter Plus Group Code

Seven Bytes BCD Data

Pacesetter Plus Function Code

CRC Bytes (2)

End Byte

16825