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WindO/I-NV4 User’s Manual
20-25
4 Script Definition Method
20
Script
Data comparison and copy
Character string operation
Only internal devices can be specified as an argument for character string operation function.
Termination character NULL (0x00) is treated as end of character string when character string is handled. Also,
termination character NULL is not included in the length of the character string.
Function Format Description
Data
comparison
MEMCMP( , , )
: Beginning device address of comparison target 1
: Beginning device address of comparison target 2
: Range of comparison (in words)
Values of device address for words and values of device
address for words are compared.
1 is returned if all the values of device addresses match, and 0 is
returned if any of the value does not match.
• Specified range is compared in word unit, and result is returned.
• Up to 64 words can be compared.
Data copy
MEMCPY( , , )
: Beginning device address of copy source
: Beginning device address of copy target
: Range of copy (in words)
Values of device address from for words are copied to
for words respectively.
• Specified range is copied in word unit.
• Up to 64 words can be copied.
Function Format Description
Character
string copy
STRCUT( , , , )
: Beginning device address of copy target
: Beginning device address containing copy source
character string
: Start location of copy (0-127)
: Number of characters to copy (1-128)
From the character string starting from , character string
from bytes forward for characters are stored into
for characters.
Character
number count
STRLEN( )
Number of characters for character string starting from is
returned.
Character
string
concatenation
STRCAT( , )
To the character string starting from , the character string
starting from is concatenated, and is returned to
beginning.
Character
string search
STRSTR( , )
From the character string starting from , character string
starting from is searched, and location found (number of
characters from beginning -1) is returned.
• Maximum number for character string to search is 128
characters.
a b c
a
b
c
a c
b c
a b c
a
b
c
a c
b c
a b c d
a
b
c
d
b
c d
a d
a
a
a b
a
b a
a b
a
b