Sharp PC-1403 - Page 134

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The REN UM co m mand c annot b e e xec u t e d i f t he n umber o f l ine s t o be ren u mb e r e d
e xcee d s 65279 , or if t h e spec i f i c a tio n r e qui r e s a cha ng e in th e ex e c u ti on o r de r o f
pr og ram l ines (f o r e x ample , a n atte mp t i s m ad e t o ex e c ute RENUM 1 5, 30 wh e n
three pr og ram l i ne s 1 0 , 20, a nd 3 0 e x i st ) .
It will t ake a li tt l e whi l e t o co mpl ete t h e e x e cuti on o f REN UM on a l a rg e p rog r am. l f y ou
pr ess th e ~ k ey t o int e r r u pt the pro g ra m w h il e o ne a s te ri s k ( * ) is ap pea r i ng a t the
r i ghtmost end of the d i sp l a y , th e prog r am will re tu rn t o the original co n dition b e fore th e
execut io n o f REN UM . H o w ever , this i n t e r ru p ti on b y t he ~ key wi ll be i gnored when
tw o a s t eri sks ( **) are on t h e d i s pl ay .
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Th is co mmand renu m be rs o l d line nu mbers in th e s peci fi ed st ep i n creme n ts, sta rtin g
from the sp ecifie d new line nu m b er .
I f the v al u es of new lin e num b e r a nd in creme n t ar e o mitted , rn is a ssu me d f or bo th . If
o ld li ne numb e r is omitted , renumbe rin g s ta rts fr o m t he f irs t line o f t he p rogr am . If the
spec if i ed o l d l ine nu mber i s no t f oun d , an er r o r occurs.
E x ampl e 1 : RENUM
Renumbers all t he p r og r am li n e s in i n cr e m e nts of 1 0 s tep s fr om lin e 1 O .
Example 2 : RENUM 10 0 , 5 0, 10
Changes old line number 50 t o new li n e nu m b er 100 a nd re numbe r s sub s equent line
numbers in increments o f 1 0 s te p s .
The RENUM command a u toma tica ll y ch a n ge s al l li ne number references following
GOTO, GOSUB , IF- THEN , O N-G OTO , ON - GOSUB , RESTORE , etc., to
reflect the new l ine numbers . I n t his ca s e , h owe v e r , a n e rror will re s ult if expression
(e.g . , GOTO 2*50) . If a n error occur s d u e to su ch in c orre ct line nu m ber reference,
renumbering of the incor rect line n um be r ca nno t be e ffect ed by REN U M . In s uch a
case , tempo r arily rewr i te t he com mand co n ta i n ing an inc o rr e c t lin e num be r t o a REM
s ta t eme nt , and co r rect it ( per hap s , chan g e t o ON - GOTO ) a fter th e exe cuti o n of the
RENUM c om m and .
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The R ENUM c ommand is use d to r e n u m be r pr o gram li ne s . Th is c ommand is eff e c tive
f or manua l o pe r ation in the PRO ( Pr o g ra m ) mo de .
1 RENUM [new line numb er][,[o l d lin e num ber ][, in crerne nt]]
Abb re viations: REN . , REN U.
Commands
REN UM