Sharp PC-1500 Technical Reference Manual page 131

126
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• Change of ehe daca poimcr (7892H)
Funclion Dala
RIG liTS
(data
of 78901-1)
+
8
LEFTS
MIDS
(d arn
or
78901-1)
+
t6
• Preparation of cha racter srri ng
"
Address Data
(Data
of 7890H)
+ •
OOH
(Data o r 789 01-1}
+
5
acter string (t1igh order o ne
Leading ad dress o1 char
byte)
(Data of 7890M} ·•· 6
acter
s~fi og
(lov.• order o n e Leadi ng address ot char
byte)
(Data o f 789011)
+
7
l
Size oi character slring
NOTE: High order byte of address is 7 A H.
For actual clrnractcr sering. ehc sering. 1hc siring buffer
(7 1llO H ~71!5 FH )
can be
used.
• Preparation of
HUJl)Cf ical
data
N un1cric- I is st< 1red in 7
A()() H "'7. ; \07 1
I in decin1al or bina ry figure.
(In ehe case of MIDS. ehc numcric-2 is s1orcd frorn the add ress of ··data
of
n90H ..
plus eight to the ad<lrcss .. data of 7890H" plus fifteen.)
Stored in the above address in a decin1al or binary fo rrnat.
0
ENTRY ADDRESS
D9F3H
(i)
EXIT STATE
• \Vhen no error
U H = OOH
Addl'ess
7A04H
7A05H
Data
DOH
Lea(li
ri g
add tess o f chal'actcr st
7A06H
ring (high order one b yte)
tring flow order o ne byte)
Leading address ot character s
7A07H Size o f ct,al'acter stl'ing-
For an actual chamc1 cr sering. the string huffcr
(7 B I OH ~·71l5FH )
can be used.
• \Vhcn error
Ull
' > " OOH
(UH is suhstieuttd with error code.)
NOTE:
I
z
z
c
c
-
3
3
$t(ICk
o f " " Stack. of
>.
L_
~
;:;
I
GOSUB
...
Represented
.,
"'
Rcp tesented
l>y
1hC
" "
h y 111e
"
"
poinlP.r
"
<> po1n1 cf
(7800H)
" "
( 78 91 H )
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