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All
and
more
about Sharp
PC-1500
at
http://www.PC-1500.info
Data
bus
CPU
r
<>
@
SPU (Set PU)
_,.,_
v
C!<x;k
TC4042X
Z
(latch
IC)
Sets the
general
pur
pose
flipflo
p
PU.
!\·o
change
takes
place in
O
ags.
•Format
SP
U
@
RPU
(Reset
PU)
•Operation
I
-
·
PU
Resets
the
general
purpose flipflop PU
.
No
clHtngc
ra
kt:~
pJ[tC'C
in
nags.
@>
SPV (Set PV)
•
Operation
0
-
·
PU
Sets the general
purpose
nipOop
PV.
No
change
ta
kes
place
in
flags.
• Format
SPV
@
RPV (Reset PV)
•
Opcr~ttion
I
-
PV
Resets
the
general
purpose
OipOop
PV.
No change
takes
place
in
Ila
gs.
• ,..orrnar
RPV
@
SOP (Set DisP)
•Operation
0
-
f>V
Sets
the
LCf>
on/
off control
llipOop DIST'.
•
J.'orrnat
SDP
•Operation
I
-
·
D
ISP
-
1
v
S·b
il
outpu:
port
On
patL
ern
signal
is g.cneratc<l
fron1
the
C
P
U
interna
l
LCD
h"ckplatc signal
lines
(
HO~
ll
7)
.
43
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sale
this PDF!!!
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