738
Table Data Processing Instructions Section 3-17
Flags
Examples When CIO 000000 is ON in the following example, SUM(184) adds 10 bytes
of unsigned binary data beginning with the rightmost byte of D00100 and
writes the result to D00201 and D00200.
3-17-13FRAME CHECKSUM: FCS(180)
Purpose Calculates the FCS value for the specified range and outputs the result in
ASCII.
Name Label Operation
Error Flag ER ON if the content of C is not within the specified range of
0001 through FFFF.
ON if the BCD data has been specified, but the range
contains binary data.
ON if the Communications Port Enabled Flag for the com-
munications port number specified as the Com Port num-
ber for Background Execution is OFF when background
processing is specified.
OFF in all other cases.
Equals Flag = ON if the result is 0000.
OFF in all other cases.
Negative Flag N ON if bit 15 is ON in the result.
OFF in all other cases.
C: D00300
C+1: D00301
R1:
D: D00200
D+1: D00201
R1
C 3
9 F
2 7
2 A
D C
2 A
2 A
2 0
2 0
5 5
0 3
0 0
7 8
0 0
Number of words/bytes
Always 0.
Starting byte
1: Rightmost byte
Units
1: Bytes
Data type
0: Binary
Data type
0: Unsigned binary data
10 bytes
Table length
The shaded bytes are added.
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