Sharp PC-1500A Instruction Manual page 35

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Keystrokes:
mrn oo~m~oom1 ~,,T 1 ~rnrnoomrurn
I SHIFT I
c:J
( EKTEAj
Now run
it.
As usual, you must press l••Tt• I after t he first PRINT statemen t has displayc<I
" HUMPTY " . Because of the semicolon "H UMPTY " is retained and "DUMPTY" shares 'the
display w ith it. Contrast this '-'tith the execution o f the following progr::Jm which does not utilize
the semicolon and the d ifferences will become c lear:
Program List i1 ng:
1C
PR INT ' · ' HUMPTY "
20
PRINT "DUMPTY"
Keystrokes:
moo mm m oorn1 ••1FTI
c:J !ID
mCIDmCD
rr1
lsP1.c1:I I
SH IFT
I
c:::J
I
ENT CRI
rn oo
moo
m oom
1 .... n 1
c:i
rn
01J
oo m m rn
The next sample program illustrates that the semicolon may join as many lines of output as
will fi t o n the display. Printin·g too much info rmation on the d isplay is a m istake which SHARP
w ill not signal. It is up to you . as a programmer. to insure that this will not happen. Try the
following educational program:
Program Listing:
20
PRINT " DO
"·
.
40
PRINT "RE " ·
.
60
PRINT
"Ml
...
.
80
PR INT "FA
"
.
.
100 PRINT "SOL ";
120 PRI NT
" LA " ;
140 PRINT "Tl ";
160
PRINT "DO "
33
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