Omron C200H - Data Comparison; Multi-Word Compare - Mcmp(19)

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5-15 Data Comparison
This section describes the instructions used for comparing data. CMP(20) is
used to compare the contents of two words; BCMP(68) is used to determine
within which of several preset ranges the content of one word lies; and
TCMP(85) is used to determine which of several preset values the content of
one word equals.
5-15-1 MULTI-WORD COMPARE – MCMP(19)
TB1: First word of table 1
IR, SR, AR, DM, HR, TC, LR
TB2: First word of table 2
IR, SR, AR, DM, HR, TC, LR
Ladder Symbols
Operand Data Areas
R: Result word
IR, AR, DM, HR, TC, LR
MCMP(19)
TB1
TB2
R
@MCMP(19)
TB1
TB2
R
Limitations Can be performed with the CPU11-E only.
When the execution condition is OFF, MCMP(19) is not executed. When the
execution condition is ON, MCMP(19) compares the content of TB1 to TB2,
TB1+1 to TB2+1, TB1+2 to TB2+2, ..., and TB1+15 to TB2+15. If the first pair
is equal, the first bit in R is turned OFF, etc., i.e., if the content of TB1 equals
the content of TB2, bit 00 is turned OFF, if the content of TB1+1 equals the
content of TB2+1, bit 01 is turned OFF, etc. The rest of the bits in R will be
turned ON.
Flags ER: One of the tables (i.e., TB1 through TB1+15, or TB2 through
TB2+15) exceeds the data area.
Indirectly addressed DM word is non-existent. (Content of *DM word
is not BCD, or the DM area boundary has been exceeded.)
Description
Data Comparison Section 5-15