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6-9-2
expansion
system
level
3,
In
master
dynamic
to
expand
user
additional
peripherals
explanation
is
the
bus
and
M U
address
and
the
(I/F-l-I/F-6)
from
is
outputted
system
address
area
memory
The
address
decoder
Further
expansion
card.
for
EXROM-KIL
system
when
l.
Operation
in
The
memory
map,
es-46
(b).
Fig.
at
RAM,"L"level
expanding
By
RAM3
the
terminal
at
ROM-KILO
signal
Also,
instead
and
non-operable
the
data
bus
and
PCB
other
hand,
On
the
outputted
EXROM-KIL
as
\
H"level
the
address
at
terminal.
expansion
6-46
(c)
shows
Fig.
level.
operation
ROMIC2-IC5
monitor
RAM4
RAM3,
in
BASIC
non-operable
The
operation
2.
this
that
In
case
data
expansion
system
in
Address
signal
ROM-KIL
is
outputted
as
"H".
becomes
the
operation
This
limit
which
in
address
area
block
interface
expansion
the
memory
and
RAM
memory
expansion
and
for
easy
expansion
the
of
system
connected
bus
data
are
decode
address
expansion
PCB.
connected
signals
are
for
Signal
ROM-KIL
this
signal
more,
control.
expansion
PCB
is
expanded.
the
memory
that
RAM
one
case
signal
ROM-KIL
$800-$9FFF.
address
inside
the
unit
data
of
that
be
in
MPU
one
can
signal,
outputted
ROM-KIL
general
signals
on
and
$8000-$9FFF
in
the
memory
map
limited
ROM-KIL
by
are
SFFFO-$FFFP
SFOOO-FEFF,
area
in
IC2-ICS.
area
is
in
expanded.
system
case
expansion
PCB
system
the
bus
and
one
in
expansion
system
use,
low
level
signal,
ROMIC2-ICS
of
in
is
used
system
is
incorporated
connectors
expansion
connectors
also
WVU
the
of
interface
block.
general
expansion
to
control
signal
ROM-KIL
to
data
bus,
RAM
MPU
expansion
to
memory
control
internal
is
outputted
is
added
expansion
card
is
from
outputted
becomes"H"level
and
IC6
becomes
buffer
connected.
from
memory
terminal.this
expansion
limit
the
address
expansion
2
RAM
case
in
the
signal
becomes
is
added
to
general
is
connected.
in
MPU
from
general
PCB
unit
inside
the
buffer
and
makes
data
expansion
PCB.
75
which
enable
used
for
are
Following
power.
connectors
inside
main
the
address
and
expansion
(RAM3,
connectors
from
is
outputted
decode
signal
address
as
is
by
8K
Byte,
expansion
memory
IC2
becomes
ROM
then
RAM
operable
terminal
expansion
becomes
signal
in
general
usable
area
added
PCB
at
are
expansion
memory
in
and
ICS,
operable
terminal,
expansion
terminal,
expansion
then
signal
ROM-KILO
only
IC6
operable
the
unit
RAM4)
RAM
shown
expansion
is
maximum
terminal
becomes
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