Sharp PC-1403 - CHAPTER 7 USING CE-126 P PRINTER;CASSETTE INTERFACE

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N o w RUN the modif i ed progr am.
T h e GOTO sta te m ent cause s t h e p rog r am t o l oop (keep repea ti ng the same opera -
tion) . Si n ce you put no l im i t o n t h e l oo p , i t w i ll keep goi n g f oreve r (a n "i n finite"
loop) . To st op this p rog r am , h i t t h e BR E AK ( ~) key.
W he n you have s t opped a program using the ~ ke y , y ou c a n re start it usi n g the
CONT com m an d . C ON T s t ands for CONTinue . Wit h the C O N T com m and, the
prog r a m will res t art on the li ne tha t w as bein g exe c u t e d when the ~ key w as
p ressed .
40 : GOTO 10
Th i s i s t h e end of your program . Of co u r se , y o u ma y b egin it agai n by e n ter ing RUN.
Howeve r, thi s program wou l d be a b i t m ore e n t e rt a i ning if i t p r ese n ted mor e th an one
opportun ity f or inp u t. We w ill n ow modi fy the program, so i t will keep runn i ng without
enter in g RU N aft e r each answer .
Re t urn t o t he P RO mode and use the u p or down arrow (o r LI ST) to re ach lin e 40.
Y ou m ay ty p e 40 to delete the en t i r e li ne o r u se t he ~ key t o pos iti o n t h e c ur s or o ve r
th e E i n E ND . Change li ne 40 so t ha t it reads :
>
WO RD IS 4 . LTRS
W ORD ? _
RU N [E NTE R ]
HE LP I ENT ER I
D is p l a y
I nput
Use the [I] and [I] k e y s to m o v e t hro ugh yo ur p r ogram until yo u have reviewed the
entire program . To re view a l i n e whic h co nt a i n s mor e than 2 4 characters, move the
c ursor to the e x tre me rig ht of th e d i s p l ay a n d t h e a ddit i ona l c haracters will app e ar on
the s cre e n . Aft er ch ec ki n g y our progr am , run it:
j 10 : INPUT " WORD ? "
LIST I EN T ER I
Di s p l a y
In p u t
T ry l i sting this program :
P rogramm i ng t he Computer