Delta AH500 - Page 652

AH500 Programming Manual
6-484
API Instruction code Operand
Function
2115 $SER P
S
1
, S
2
, n, D
Searching the string
Device
X Y M S T C HC D L SM SR E PR K 16# “$” DF
S
1
        
S
2
        
n
          
D
        
Pulse instruction
16-bit instruction (9-21 steps)
32-bit instruction
AH500 AH500 -
Symbol:
S
1
：
String which is searched Word
S
2
：
String which is searched for Word
n
：
n
th
character in S
2
from which the
search begins
Word
D
：
Search result Word
Explanation:
1. The instruction is used to search the string from the n
th
character in S
2
for the string which is
the same as the string in S
1
, and the search result is stored in D.
2. Suppose the string in S
2
is “ABCDEFGHIJK”, the string in S
1
is “EFGH”, and n is 3. The search
begins from the third character in S
2
, and the value in D is 5.
b15
b0
b7 b8
S1
16#45(E) 16#46(F)
47(G)16# 48(H)16#
+1
S1
+2
S1
0016#
b15
b0
b7 b8
S2
16#45(E) 46(F)16#
47(G)16# 48(H)16#
49(I)16#
4A(J)16#
4B(K)16#
D
After the instruction is executed
+1
S2
+2
S2
+3
S2
+4
S2
16#41(A) 42(B)16#
43(C)16# 44(D)16#
5
+5 S2
0016#
Searching the string from the third character
Matching character
忽略
Example: