Sharp CE-150 - Page 365

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• Set up of funct ion
Function
ASC
LEN
0 ENTRY ADDRESS
D9DDH
0 EXIT STATE
• W
he n no error
UH= OO H
YL
60H
64 H
Re su lt is stor ed in ar ithmetic rcistcr X (7AOO ll - 7A07H) in decimal figu re.
• \\ 'hen erro r
UH¢ O OH (U H=error code)
• RIGHTS (Character st rin g. nu me ric value-I)
LEFT S {C h(lr ::t <.: lr:.r s tr ing. 1n 1 111c ric value- I }
MIDS (C' ha ra ctcr s tri ng. nun1cric va hic -2. n 1.1n 1 cr ic value- I)
(j) ENTRY PREPARATION
•
Se tup of fun c ti on
Function YL
RI GHTS 02 H
LE FTS
7AH
MI OS 79H
• Existe nc e of avai 1<1bi lity for 8 bytes in the B AS IC stack (7A3 8H - 7AFFH) is
che cked.
• In th e case of RI GH TS . LEFl'S
(D ata of 78 90H) < (d ata of 7 891 H) - 8
• ln thc casc o
l'M I DS
(D ata of 78 90 11 ) < (data of 78 91 H) - 16
Sin ce re-w ri te of 78 90H and 7891 H is not penniued. it must be avoided to call this
su hroutiu c, unless t ht: aho v c: condition is s at is fi ed .
125
Do not sale th is P DF!!!