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F, <>f, f, >=f, Applicable program areas operands, Flags – Omron SYSMAC CP CP1E-N@@D@-@ User Manual

Page 277: 2 instructions, Operand specifications

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2-241

2 Instructions

CP1E CPU Unit Instructions Reference Manual(W483)

F
loat
ing
-p
o

int
Math

In

stru

ctio

ns

2

=F

, <>F

,

, <=

F

, >F
, >=F

=F, <>F, F, >=F

Applicable Program Areas

Operands

Operand Specifications

Flags

Instruction

Mnemonic

Variations

Function

code

Function

Single-precision Floating-point
Comparison

=F
<>F
<=F
>F
>=F

---

329
330
331
332
333
334

These input comparison instructions compare two
single-precision floating point values (32-bit
IEEE754 constants and/or the contents of speci-
fied words) and create an ON execution condition
when the comparison condition is true.

Symbol

Single-precision Floating-point Comparison

Area

Step program areas

Subroutines

Interrupt tasks

Usage

OK

OK

OK

Operand

Description

Data type

Size

S1

Comparison data 1

REAL

2

S2

Comparison data 2

REAL

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

Error Flag

P_ER

ON if S1+1, S1 or S2+1, S2 is not a number (NaN).

ON if S1+1, S1 or S2+1, S2 is +

∞.

ON if S1+1, S1 or S2+1, S2 is –

∞.

OFF in all other cases.

Greater Than Flag

P_GT

ON if S1+1, S1

>

S2+1, S2.

OFF in all other cases.

Greater Than or Equal Flag

P_GE

ON if S1+1, S1

S2+1, S2.

OFF in all other cases.

Equal Flag

P_EQ

ON if S1+1, S1 = S2+1, S2.

OFF in all other cases.

Not Equal Flag

P_NE

ON if S1+1, S1

S2+1, S2.

OFF in all other cases.

Less Than Flag

P_LT

ON if S1+1, S1

<

S2+1, S2.

OFF in all other cases.

Less Than or Equal Flag

P_LE

ON if S1+1, S1

S2+1, S2.

OFF in all other cases.

Negative Flag

P_N

Unchanged

S2: Comparison data 2

LD connection

AND connection

OR connection

S1: Comparison data 1

S2: Comparison data 2

S1: Comparison data 1

S2: Comparison data 2

S1: Comparison data 1

Mnemonic

S1

S2

Mnemonic

S1

S2

Mnemonic

S1

S2

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