Omron CPM1 Programming Manual page 488

Memory Areas
Word Bit(s)
AR 14 00 CPU Unit to Memory Cassette Transfer Bit
Turn ON for transfer from the CPU Unit to the Memory Cassette. Automatically turns
OFF again when operation is complete. (See note.)
01 Memory Cassette to CPU Unit Transfer Bit
Turn ON for transfer from the Memory Cassette to the CPU Unit. Automatically turns
OFF again when operation is complete. (See note.)
02 Memory Cassette Compare Flag
ON when the contents of the PC and the Memory Cassette are being compared. Turns
OFF automatically when comparison has completed. (See note.)
03 Memory Cassette Comparison Results Flag
ON:
OFF:
04 to 11 Not used.
12 PROGRAM Mode Transfer Error Flag
Turns ON when transfer could not be executed due to being in PROGRAM mode.
13 Write-protect Error Flag
Turns ON when transfer could not be executed due to write-protection.
14 Insufficient Capacity Flag
Turns ON when transfer could not be executed due to insufficient capacity at the transfer
destination.
15 No Program Flag
Turns ON when transfer could not be executed due to there being no program in the
Memory Cassette.
AR 15 00 to 07 Memory Cassette Program Code
Code (2-digit number) indicates the size of the program stored in the Memory Cassette.
00:
04:
08:
08 to15 CPU Unit Program Code
Code (2-digit number) indicates the size of the program stored in the CPU Unit.
04:
08:
AR 16 00 to 10 Not used.
11 PC Setup Initialized Flag
Turns ON when a checksum error occurs in the PC Setup area and all settings are initial-
ized back to the default settings.
12 Program Invalid Flag
Turns ON when a checksum error occurs in the UM area, or when an improper instruc-
tion is executed.
13 Instructions Table Initialized Flag
Turns ON when a checksum error occurs in the instructions table and all settings are ini-
tialized back to the default settings.
14 Memory Cassette Added Flag
Turns ON if the Memory Cassette is installed while the power is on.
15 Memory Cassette Transfer Error Flag
Turns ON if a transfer cannot be successfully executed when DIP switch pin no. 2 is set
to ON (i.e., set to automatically transfer the contents of the Memory Cassette at power-
up.)
Note With the LSS/SSS, clear the forced-set status to turn OFF these bits, which will not change even after
the operation is complete. (If the Programming Console is being used, these bits will automatically turn
OFF.)
Difference found or comparison not possible
Contents compared and found to be the same.
There is no program, or no Memory Cassette is installed.
The program is less than 3.2K words long.
The program is less than 7.2K words long.
The program is less than 3.2K words long.
The program is less than 7.2K words long.
Function
Appendix C
Page
150
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150
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