Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 148

108
Conversion Instructions
Section 3-10
DATA ENCODER
DMPX
@DMPX
077
Output
Required
ASCII CONVERT
ASC
@ASC
086
Output
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
DMPX(077)
S
R
C
S: 1st source
word
R: Result word
C: Control word
C
R
C
R
FInds leftmost bit
(Highest bit address)
Finds leftmost bit
(Highest bit address)
Leftmost bit Rightmost bit
Leftmost bit
FInds the location of the first or last ON bit within the source word (or
16-word range), and writes that value to the specified digit (or byte) in
the result word.
16-to-4 bit conversion
l
=1 (Convert
2 words.)
16-to-4 bit decoding
(Location of leftmost
bit (m) is writ-ten to
R.)
n=2 (Start with digit 2.)
256-to-8 bit conversion
l=0 (Convert one 16-word range.)
256-to-8 bit decoding
(The location of the leftmost bit in the 16-
word range (m) is written to R.)
n=1 (Start with byte 1.)
ASC(086)
S
Di
D
S: Source word
Di: Digit
designator
D: 1st destination
word
Di
Right (0)Left (1)
Number of
digits (n+1)
First digit to convert
Converts 4-bit hexadecimal digits in the source word into their 8-bit
ASCII equivalents.