Sharp PC-1500A Instruction Manual page 73

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Output:
SUPERMAN
In line 20, the con tents of the variable SS ("'SUPER"') is "'ad<fed"' to the stri ng '"MAN". Notice
that no space is inserted during concatenation. Several strings may be concatenated in the same
expression as in the foll oi.ving
e xam ~1lc:
Ex.,mple 2:
10
AS • '"ER"
20
BS =
'"AND"'
30
CS =
"MOTH"
40 0$ = "GR"
50
SS
5
' WRITE YOUR "+OS+
BS
60 PAINT
SS•· C$
+AS
Output:
WRITE YOUR GRANDMOTHER
When concatenation operations are performed, an internal temporary character storage area is
used
10
buil d the new string . This storage area h as a capacity of
BO
characters. If the new str ing
exceeds this length, an ERROR 15 will occur. An illuuration of this area during a concatenation
operation follo\•1s :
Example 3:
X - LEN ("ABC" + LE FTS ("'DEFGH I" , 2)) l lNTE•l
[_
t
2
l ABC
l
t
3
I
ABCDE FGH
I
~
t
4
ABC DE
~
t
5
[
l
t
NOTE : The
t
sym bol represent s an internal character poin ter which keeps track o f the amount
of storage used.
1) At the start of execution, the storage area will be cleared and the character poin ter w ill be
reset to the starting pasition.
71
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