High−level Instructions
3 − 650
Description
The double data words (signed) from the area specified by S1 to the area specified by S2 are sorted in
ascending order (the smallest word is first) or descending order (the largest word is first) depending on the
condition set with S3.
If S1 = S2, sorting does not take place.
The sort condition is specified as follows in S3:
− K0: Ascending order
− K1: Descending order
Double sorting is used for the sorting method. Data is sorted from S1 to S2 in order following the sorting
procedure. Note that the number of word comparisons increases in proportion to the square of the number of
words, thus more time will be required for execution when there are a large number of words.
If S2 specifies a higher word of double word data, processing will take place over the same area as if the lower
word had been specified.
S1:
S1+1:
0
1
Double word data table
n
S2−1:
S1+2:
S1+3:
S2:
Lower word
Higher word
Specified areas
Lower word
Higher word
Flag conditions
・Error flag (R9007): Turns on and stays on when:
・Error flag (R9008): Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− S1 > S2.
− The areas of S1 and S2 are different.
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