Sharp PC-1500 - PC-1500 Assembly Diagrams and Detailed Schematics

All and more about Sharp PC-1500 at http:f/www.PC-1500.info
Ke ystrokes:
rnmoomm moo m1 ~ .. 1CJoo moo ruwm
r?~ U!ill) CJ' ' "' " ' CDl •HT .. ,
mmoom mmoo m1 ~,,, 1 ~m moom mm
Now run it. As usual, you must press l ••••• I a fter th e first PRINT s tat ement has displayed
"HUMPTY " . Because of the semicolon "HUMPTY " is retained and "DUMPTY" shares the
display wi
th it. Contra st this with the execution of th e following program which docs not utilize
the
semicolon and the differences will become cle.-i r:
Program Listi
ng:
10 PRINT "HUMPTY "
20 PR INT "DU MP TY"
Keystroke s:
DJL l!J CLJOOCO U,O [IJl .,.•• ICJW ODOO O'Ja::J[ v J
[IPM:< JI SNn j~( <.,.. !
rn oomo Dcoaoco 1 ...... 1 CJrnr:ro rnmoo m
The next sample program Illustrates that li te semicol on may join as many lines of output as
will fit on the display. Printing too much in formation on the display is a m is take which SHARP
wi ll not signal. It is up to you, as a programmer, to insure that th is wi ll not happen. Try the
following
educational program:
Program Listing:
20
PRINT " DO " ;
40
PR IN T "RE
"·
.
60
PRINT "Ml
...
.
80
PRINT "FA
.. .
•
1 00
PRINT "S OL ";
120
PR I NT
0
LA " ;
140
PRINT "Tl ";
160
PR
IN T "DO "
33
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