A
ll
and more about Sharp PC-1500
at
http:/lwww.PC-1500.info
1.
General
Since
th
e
PC
15001.
is
a revised version
of
the
PC
1500
with
more
memo
ry
capacity. its f
unc
tion
s
are
almost identi
ca
l
to
the PC-
1500
except for
th
e memory size. This manual therefore deals with
the
items that differ from
the
PC·1500.
For
other functions, refer to
the
PC·
1500
Service Manual.
2. Main differences
2-1
. Change in RAMcapacity
PC
·
1500
PC
·1
500A
User
RAM
: HM·6116 1 pc 4 pcs
System RAM: TC·551
4P
2
PCS
0
2·2. Change in specifi
ca
tion
PC-1500
PC1500A
System
ROM
16 K Byte$
Standard RAMcapacity
3.5
K Bytes 8.5 KByte$
System area 0.9 K Bytes
I
nput
buffer
80
Bytes
Stac
k
196
Bytes
U
Gor
oroo
2.6 K Bu
t.,
7 .n K
Ryte•
Fi
xed memory area
(A
- Z,
AS~
ZS)
62
4 Bytes
Ba
sic program data area
1850
Bytes
5946
Bytes
Re
serve area
188
Bytes
Machinelangui:ge area
~-
-
1024
Byte$
2-3. Change in 40 pin module
co
n
necto
r signal names
----
PC·1500
PC
1500
A
Sl
-j.
S3
S
ig
na
l 52
,_
S4
name
S3
!--
S5
3.
Program and peripheral compatibility
Programi developed for
th
e
PC-1500
can
.,11
bo
u~cd
for tho PC-15001\.
1\11
PC1500
op
tionc can
also
be
used
for
the PC-1500A.
Do
not
sale this PDF !!!