Sharp PC-1500 Instruction Manual page 73

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Output:
SUPERMAN
In line
20.
the contents of the variable
SS ("SUPER")
i s " added" to the string "MAN". Notice
that no space is il'lscrtcd during concatenation. Several strings may be concat e na ted in the sarne
expression as in the
f otlo~1ing
example:
Example 2:
10 AS = "ER"
20 BS = "AND"
30 CS = "MOTH"
40
OS = " GR"
50 SS = "WRITE YOUR "+OS + BS
60
PR IN T SS +CS + AS
Output:
WRITE YOUR GRANDMOTHER
\f!Jhen concat· e nation operations are perfor med, an internal t emporary ch aracter storage area is
used to build the
ne\•J
string. This st o rage area has a capacity of 80 charac ters. If the
nc\•J
string
exceeds this l ength, an ERROR 15 \vi ii occur. An illustration of th is area during a concatena ti on
opcr.Jtion follo•.•.,rs:
Example 3 :
X = L EN ("ABC" + LEFTS {"DE FGHI", 2)) l••TE•I
I
-------------------
--
t
2
1 ~BC
-. ~
3
4
ABCDEFGHI
ABC DE
t
t
J
NOTE: The
t
symbol represents an internal character pointer which keeps uack of the amount
of storage used .
1) At the start of execution. the -stora9e area \viii be cleared and the character pointer will be
reset to the starting posi
tic )n .
71
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