Sharp CE-150 - Page 366

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A ll and more about Sharp P C- 1500 at http://www.PC-1500.info
• Change of ehe daca poimcr (7892H)
Funcl i on Dal a
RIG li TS
(da ta of 78 9 01-1 ) + 8
LE FTS
MID S
(d arn or 7 89 0 1-1) + t6
• Preparation of char ac ter srring
"
Address Data
( Da ta of 7890H) + •
OOH
(Da ta o r 789 01-1 } + 5
a cter stri ng (t1igh order o ne Lea di ng ad dr ess o1 char
byte)
(Data of 7890M} ·•· 6
acter s~fi og ( lov .• or der one Le adi ng address ot char
byte)
(Data of 7890 11) + 7
l
Size oi ch ar acter s lring
NOTE: Hi gh or de r byte of add ress is 7 AH.
For act ual cl rnra ctcr s erin g. eh c s eri ng . 1hc siring b uff er (7 1llO H ~ 71 ! 5 F H ) can be
us ed.
• Preparati on of HUJl)Cf i ca l data
Nu
n1cr i c- I is st< 1r ed in 7 A()()H "' 7. ;\0 71 I in decin 1a l or bi na ry figure.
( In eh e ca se of MIDS. eh c n um c ri c-2 is s 1o rcd frorn the address of ··data
of n90H .. plus eight to the ad<lrcss .. data of 7890H " plus fif t ee n.)
S to red in t he abo ve address in a decin1al or bina ry fo rrnat.
0 E NT RY ADDRESS
D9F3H
(i) EX IT STA TE
• \Vhen no e rror
UH = OOH
Addl'ess
7A04H
7A05H
Da ta
DOH
Le a( li rig addtess of chal' actcr st
7A06H
ring (hi gh or d er one b yt e)
tring
fl ow orde r one byte)
Leadi ng ad dress ot char act er s
7A07H
Size of ct,al'acter stl'i ng-
For an actual chamc1 cr se rin g. the string huffcr (7 B I OH ~ · 71l5FH ) can be use d.
• \Vhcn er ro r
U ll '>" OOH (UH is s uh stieut td with error code.)
NO TE:
I
z
z
c
c
-
3 3
$t(I Ck of
" "
Stack. of
>.
L_
~
;:;
I GOS UB
...
Re pr esented
.,
"'
Rc pt esen ted
l> y 1hC
" "
hy 111e
"
"
po inlP.r
"
<>
po 1n 1cf
(7800H)
" "
(78 91 H )
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