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Chapter 7: Programming 7-65
Example 2
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Host requesting tally C3.
The NCR 7870 response to the host request (tally count = 23,456
30H
b3H
3dH 32H 8fHb3H
33H 34H
35H
36H
BCC (with EOM Bit)30H 33H
30H
30H
32H 33H
Example 3
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
Address
Frame
Request
CRC Bytes (2)
End Byte
An IBM host terminal request for tally C1.
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
4A xx 00 33 3D 32 31 xx xx 7E
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