Sharp PC-1403 - Page 101

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R e mem b e r t o p r ess I EN TER I , so t he c orrec t io n wi ll be e nt er e d in to t he p r o gr a m .
NOTE: If yo u wis h t o DELete an enti r e lin e from your p r og r a m , ju st ty p e i n the line
nu m be r and th e or i g in a l line will be eli m ina t e d .
10 PRINT " GOOD I "
D is p la y
In put
T y pe i n th e !. T he d is p lay looks l i k e this :
10 PRINT " GOOD . ::;: "
D i s play
I nput
Press t h e ~ k ey . · "· = w i ll in d i c ate th e spo t where the new d ata will be entered :
1 0 PRINT"GOOD · "
D isp l a y
1 n put
Now l et's put t he " ! " i n t he correct l oc a t i on . W hen edi ting p ro g rams , D ELe te and
IN Sert are u sed i n e x a ct l y t he sam e way as the y a r e in ed i t i ng calcu l at i on s (s ee
C h ap t e r 3 ) . U sing t he I ~ ' , position th e cu rso r on to p of t h e c ha r ac ter w h i c h w i ll b e
the fir st ch a r ac t e r follow i ng t he insertio n.
10 PR!NT " GOOD "_
Di s play
I npu t
T he fla s h i ng c u rso r i s posit io ned ov e r the problem are a . I n C h apter 4 , you l ea rn e d th a t
wh en en tering s t r in g c on s t a nts i n BASI C , a ll c har a c te rs m u s t b e co n tai n ed w i th i n
qu otatio n m ar k s . U se th e [fill key to e l iminate the " ! ":
[I]
Di s pl a y
I n p u t
T hi s is a n ew k ind of e r ror m e ss age. N o t only i s th e erro r t y pe i de n tifie d ( o ur o ld fr i end
the synta x e r r o r ) bu t th e l i ne num b er i n whi c h t he error oc c ur s i s al s o i nd i c ate d .
Press t h e [C:-c E ! an d t he n re turn in to the PROgram mode . You m u s t be in th e P ROg r am
mode t o m a ke c h ange s i n a program . U sing the [I] , reca ll th e l a s t l i ne o f your
p rog r a m .
P r ogram m i ng t he Comput e r