65
Instruction Functions
Section 2-2
EXPONENT
EXP
@EXP
467
Output
Required
LOGARITHM
LOG
@LOG
468
Output
Required
EXPONENTIAL
POWER
PWR
@PWR
840
Output
Required
FLOATING SYM-
BOL COMPARI-
SON (CS1-H,
CJ1-H, CJ1M, or
CS1D only)
LD, AND. or OR
+
=F (329),
<>F (330),
<F (331),
<=F (332),
>F (333),
or >=F (334)
Compares the specified single-precision data (32 bits) or constants
and creates an ON execution condition if the comparison result is true.
Three kinds of symbols can be used with the floating-point symbol
comparison instructions: LD (Load), AND, and OR.
LD:
Not required
AND or OR:
Required
Instruction
Mnemonic
Code
Symbol/Operand
Function
Location
Execution
condition
Page
S: 1st source
word
R: 1st result word
EXP(467)
S
R
Calculates the natural (base e) exponential of a 32-bit floating-point
number and places the result in the specified result words.
R+1
R
S
Source (32-bit
floating-point
data)
S+1
Result (32-bit
floating-point
data)
e
S: 1st source
word
R: 1st result word
LOG(468)
S
R
Calculates the natural (base e) logarithm of a 32-bit floating-point
number and places the result in the specified result words.
R+1
R
S
Source (32-bit
floating-point
data)
S+1
Result (32-bit
floating-point
data)
log
e
B: 1st base word
E: 1st exponent
word
R: 1st result word
PWR(840)
B
E
R
Raises a 32-bit floating-point number to the power of another 32-bit
floating-point number.
R+1
R
B+1
S
E
E+1
Power
Base
S1: Comparison data 1
S2: Comparison data 2
Symbol, option
S1
S2
Using LD:
Symbol, option
S1
S2
Using AND:
Symbol, option
S1
S2
Using OR:
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...