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8)
Joystick Interface
9
pin
type-D connector
x 2
TTL
connection
Connection
10)
ROM
Cartridge Slot
(game
slot)
Pin#
Signal
1
FWD
2
BACK
3
LEFT
4
RIGHT
5
+5V
6
TRG1
7
TRG2
8
OUT
9
GND
O O O O O
O O O O
9)
Printer Interface
8
bits parallel
Centronics 14
pins
TTL
connection
Following conditions need
to
be
met
to
produce
hard
copies.
1)
More
than
640
dots/line
[or
480
dots/line so long
as
a
double
mode
(960
dots/line)
can be
selected
by
ESC
+ "P"]
2)
The
bit
image
command
to
be
ESC
+
"S".
Signal
PSTB
PDO
PD1
PD2
PD3
PD4
PD5
PD6
PD7
NC
BUSY
NC
NC
GND
Connection
Name
CS1
SLTSL
WAIT
BUSDIR
GND
SW2
SUNDIN
Name
CS2
N/C
INT
IORQ
RD
A9
A10
A12
A13
A3
A4
D3
D4
GND
SW1
+5V
-12V
No.
Name
3
CS12
6
RFSH
9
Ml
12
MERQ
15
RESET
18
A15
21
A7
24
A8
27
At
30
A2
33
D1
36
D2
39
D7
42
CLOCK
45
+5V
48
+12V
MSX
standard
50
pin
connector
11)
Extension Side
Slot Pin
Assignment
(60 pin connector)
No.
Name
.**•'>
1
SOUND OUT
4
Phase Control
.«>•
V.Nam*
I/O
No.
'
;
Name
'-
I
I/O
i
7
C
VIDEO
10
CLOCK
INT/EXT
13
CS12
16
RFSH
19
Ml
22
MERQ
25
RESET
28
A15
31
A7
34
A8
37
A1
40
A2
43
D1
46
D2
49
D7
52
CLOCK
55
+5V
58
+12V
R-Y
CS1
SLTSL
WAIT
NO CONNECTION
WR
N/C
All
A6
A14
AO
A5
DO
D5
D6
GND
SW2
SOUND
IN
3
|
GND
B-Y
EXT CLOCK
CS2
N/C
INT
IORQ
RD
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