Delta AH500 - Page 649

Chapter 6 Applied Instructions
6-481
API Instruction code Operand
Function
2114 $MIDW P
S
1
, S
2
, D
Replacing a part of the string
Device
X Y M S T C HC D L SM SR E PR K 16# “$” DF
S
1
        
S
2
        
D
      
Pulse instruction
16-bit instruction (7-13 steps)
32-bit instruction
AH500
AH500
-
Symbol:
S
1
：
String Word
S
2
：
Part of the string which is
replaced
Word
D
：
String which is replaced Word
Explanation:
1. S
2
: The initial character in D which is replaced
S
2
+1: The number of characters which are retrieved from S
1
2. The retrieve of the characters in the string in S
1
begins from the first character, and the value in
S
2
+1 indicates the number of characters which are retrieved from the string in S
1
. The
characters which are retrieved from the string in S
1
replace the characters in D starting from
the character indicated by the value in S
2
.
b15
b0
b7 b8
0016#
S1
16#31(1) 16#32(2)
33(3)16# 34(4)16#
36(6)16#
35(5)16#
37(7)16#
38(8)16#
39(9)16#
b15
b0
b7 b8
D
+1 D
+2 D
16#45(E) 46(F)16#
47(G)16# 48(H)16#
49(I)16#
4A(J)16#
+1
S1
+2
S1
+3
S1
+4
S1
S2
+1
S2
3
6
4C(L)16#
4B(K)16#
+3
D
0016#
4D(M)16#
+4 D
b15
b0
b7 b8
D
+1 D
+2 D
16#45(E) 46(F)16#
+3
D
0016#
4D(M)16#
+4 D
Initial character in D which is replaced
Number of characters which
are retrieved from S1
16#31(1) 32(2)16#
33(3)16# 34(4)16#
36(6)16#
35(5)16#
After the instruction is executed
3. If the value in S
2
+1 is 0, the instruction is not executed.
4. If the value in S
2
+1 is larger than the length of the string in D, the characters in D which are
replaced start from the character indicated by the value in S
2
to the last character in D.