Sharp PC-1403 - Page 179

1 7 3
W h en ru n, th i s pro gram disp l ays th e line number s 10 ,
20 , 30 , 30 , 30 , a n d 40 as the [TI i s p re s s e d.
10 T RON
20 FOR 1=1 TO 3
30 NE XT I
40 TROFF
Example~
''Mi
T h e trace mode pro v id e s a s si s ta n ce in d ebugg i ng progra m s . W hen t he tra c e mode Is
o n , l ine nu mber of each s t a t emen t is disp l a y ed a ft er each s t atement is e x ecuted . T he
COMPUTER then ha l t s and wait s for th e Do w n Ar row ke y to be pressed be f ore moving
o n to the next s ta t emen t. T h e Up Ar row ke y m a y be pressed to see t h e statement w h ich
has ju s t been executed. T h e t race mode conti nu es un til a T ROFF v erb is executed or
c•
the key operation o f t h e ; sH 1 r ! J and § is performed.
IQ!IM+11
The TRO N verb i s used to i nitia t e th e t race m o d e .
Abb r eviations : TR. , TRO .
See a l so : T R O FF
1 TRON
Verbs
TRON