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567
Floating-point Math Instructions
Section 3-15
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
Description
FVAL(449) converts the specified ASCII text number (starting at word S) to a
32-bit floating-point number (IEEE754-format) and outputs the result to the
destination words starting at D.
FVAL(449) can convert ASCII text in decimal or scientific notation if it meets
the following conditions:
FVAL(449)
S
D
S: First source word
D: First destination word
Variations
Executed Each Cycle for ON Condition
FVAL(449)
Executed Once for Upward Differentiation
@FVAL(449)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Area
S
D
CIO Area
CIO 0000 to CIO 6143
CIO 0000 to CIO 6142
Work Area
W000 to W511
W000 to W510
Holding Bit Area
H000 to H511
H000 to H510
Auxiliary Bit Area
A000 to A959
A448 to A958
Timer Area
T0000 to T4095
T0000 to T4094
Counter Area
C0000 to C4095
C0000 to C4094
DM Area
D00000 to D32767
D00000 to D32766
EM Area without bank E00000 to E32767
E00000 to E32766
EM Area with bank
En_00000 to En_32767
(n = 0 to C)
En_00000 to En_32766
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants
---
Data Registers
---
Index Registers
---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –()IR15
,IR0 to ,IR15
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 ...