NCR 7870 User Manual
7-46
Chapter 7: Programming
Program Example
Following is an example of a completed RS-232 Prefix Byte
programming worksheet. This example shows the Prefix Byte enabled,
and ASCII Code STX (02 Hex) transmits as the leading character of
each message sent to the host terminal.
programming worksheet. This example shows the Prefix Byte enabled,
and ASCII Code STX (02 Hex) transmits as the leading character of
each message sent to the host terminal.
Your Program
2
2
RS-232
Prefix Byte
1
Prefix Byte
A
0
Code
ASCII
B
2
R0074