A
ll
and more about Sharp PC-1500
at
http://www.PC-1500.info
1.
Determining printing character size and
direction
• Specifying printing character size
Print ctrnracter si
Le
(
1
~
9
)
must be
sto
red
in the character si
ze
memory (79F4
H).
• Specifying
prin
ting direction
Print direction
(0
~
·3)
must be stored in the print direction memo
ry
(7
9F2H).
2.
Restoration of array and two-character variable
• 1
\rra
y v
ar
iable and two
-<:
haracter variable that
cl
e
ar
ed by means
of
RU
N operation
or
C
LE/\R
command can be rest
or
ed
by
ope
ra
ting the variable pointer (7899H . 789/\H).
r\
u
1n
bcr
of
bytes
do
rninatcd by the a rray v
ar
ia
ble and
t\
v
o~
h
arac
te
r
variable s
ho
ul
d
be
deducted fron1 the
la
st addr
es
s
of
the free
ar
ea, then st
or
e it
in
the variable pointe
r.
•
How
10 store
1\ssun1e no\v
"x
" is the-nurnbcr t
ha
t t he
by
te
coun
t
of
a rray
and
t\vo-char
ac
tcr
va
ri
ab
le
deducted
fr
on1
the last addr
c.ss
of
th
e
fr
ee area.
{l
= x /
256
h = x -
256
*a
Where.
a:
I ligh ord
er
t\
VO
di
gi
ts '
vhe
n
.
~:
is displayed
in
hcxadccin1al
fi
gure.
h:
l
.O
\V order
t\VO
dig
it
s
\Vh
cn ,,- is disp
la
yed in hcx;1d.:cin1al
figu
re.
Whereas. stor
e"
in the variable
po
inter 7899H and h
in
789AH.
• Last addre
ss
of
the free area
Syslc
m
co
nfig
uration
Ad
dress
PC-
15
00
on
ly
4800H
PC
-1
500 +
CE
-1
5t
SOOO
H
P
C-
t500 +
GE
-
155
6000H
PC
-1500 + CE
-t
59
I
4800H
•
Nu
r
nbcr
of
by
tes used for t
he
al'ray a
nd
t\vo-c
haract
cr
va
ri
ab
le
Nu
n
1e
ric
ar
r<ty ,·a
ri
ab
1
l!
:
7 bytes + 8 byt
es
* si
ze
of array
No
nn
lllllcric a rrtLY
var
i
ab
le
:
7 bytes + cha
ra
ct
er
lengc h * si
ze
of
array
(C
hara
c
ter
size is norrna
ll
y
16
ch;tractcrs.)
N
un
1c
ric t\VO<h
ar
a
ct
er v
ar
iabl
e:
7 bytes + 8 bytes
Character
t\vo
-character variabl
e:
7 byt
es
+ I 6 bytes
3.
Knowing the use of CE-150
1
50
Because the system pr
og
ram ROM of the
CE
-I
50
r
es
ides in the
CE
-I
50. FFH wi
ll
b-c
read
when a MEO address r
ang
e of
AO-OOH
thl'
u B
FF
FH is accessed with the CE-150 not
connected to the P
C-
1500. If connected. the contents
of
i\
!Hl()H wi
ll
fetch
CO
H.
NO
TE: PV mu
st
be
rese
t.
Do
not sale this
PDF!!!
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