2 Instructions
2-98 CP1E CPU Unit Instructions Reference Manual(W483)
CPS/CPSL
Applicable Program Areas
Operands
Operand Specifications
Flags

Instruction Mnemonic Variations Function

code Function

SIGNED BINARY COMPARE CPS !CPS 114

Compares two signed binary values (constants

and/or the contents of specified words) and out-

puts the result to the Arithmetic Flags in the Auxil-

iary Area.

DOUBLE SIGNED BINARY

COMPARE CPSL --- 115

Compares two double signed binary values (con-

stants and/or the contents of specified words) and

outputs the result to the Arithmetic Flags in the

Auxiliary Area.

Symbol
CPS CPSL
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
Operand Description Data type Size
CPS CPSL CPS CPSL
S1 CMP: Comparison data 1
CMPL: Comparison data 1, rightmost word address INT DINT 1 2
S2 CMP: Comparison data 2
CMPL: Comparison data 2, rightmost word address INT DINT 1 2
Area Word addresses Indirect DM addresses Constants CF Pulse
bits
TR
bits
CIO WR HR AR T C DM @DM *DM
S1, S2 OK OK OK OK OK OK OK OK OK OK --- --- ---
Name Label Operation
CPS CPSL
Error Flag P_ER Unchanged OFF or unchanged
Greater Than Flag P_GT ON if S1 > S2.
OFF in all other cases.
ON if S1 +1, S1 > S2+1, S2.
OFF in all other cases.
Greater Than or Equal Flag P_GE ON if S1 S2.
OFF in all other cases.
ON if S1 +1, S1 S2+1, S2.
OFF in all other cases.
Equal Flag P_EQ ON if S1 = S2.
OFF in all other cases.
ON if S1 +1, S1 = S2+1, S2.
OFF in all other cases.
Not Equal Flag P_NE ON if S1 S2.
OFF in all other cases.
ON if S1 +1, S1 S2+1, S2.
OFF in all other cases.
Less Than Flag P_LT ON if S1 < S2.
OFF in all other cases.
ON if S1 +1, S1 < S2+1, S2.
OFF in all other cases.
Less Than or Equal Flag P_LE ON if S1 S2.
OFF in all other cases.
ON if S1 +1, S1 S2+1, S2.
OFF in all other cases.
Negative Flag P_N Unchanged OFF or unchanged
CPS(114)
S1
S2
S1: Comparison data 1
S2: Comparison data 2
CPSL(115)
S1
S2
S1: Comparison data 1
S2: Comparison data 2