I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
,
SPARE GATE:S
s:
~ 14LSIe
4 14LSIB
r,
A A,,-
~
:t[y
_.¥.4LS?6
~4LS16
U3
US:
6B@~
~ J
PR;
1S
QCLK
, J
PR
Q
11
~
Q
4
yce
OUT
e
1
CK
~
CK
I
a
COSC
16
KCLR'D" 14
lE!
18
r
CASE
6HD
1
KCLR'D"
U3
us:
eMHZ
rUl
rut
i
EClK
~.
feR
11
II
AA.
Ii!
CPUE
ue
§~!K
~v
)
1
e
2 ;~S3646
T~~F"
1
N! N~ N! .
L...Lj:
E!
:w: >:w:
:w: :w:
~
N>o.
('11\.
II:to..
:.:~~
:.;.
:.;
~
I'tC68B19E 3S
..•
..•
...
...
QCLK 11 74lS12
1 YCC
iii
~r-
r-
EClK 12)
13 "cve
.>:I
YSS
E ~
Rio!
-:- IS
Rio!
~
U3
AilEI
1-
IA AYI'IA~
All
9
All BUSV~
AEl2
111
Al
LIe ~ RST'"
RW
AilS
11
AI! RST'"
Ail4
12 A3 HALT" 41
Pt.)2
A4
rsc
rn.
1 lUI'"
AilS
13 AS
Hi'll'" 2
Ail6
14 A6 IRQ •...S
IRQ-
Aa7
1S
U3
Aes
16 A7 F"IRg....:1
DI
AI9
17 A8
De 38
Dl
Ale
18 A9
D1 29
02
All
19
AlB
DE!
28
D3
Sioll
A12
21 A11
D3 27
D4
~~
A12
D4
A13
21 A13
D5 26
DS
A14
22
D6
A15
A14
D6 25
D7
23 A15
D7 24
US
2~
~c
1
I
JloI~
U2
~..lo....c
AUla115)
7'4LS139
A14
2 lA
tye
4 RAI1CE•...
Al~
!;IPI~
1..
11 1'1'1
6
16
1'1'2
t
1'1'3
14
2'1'iI
~ ROMeE'"
AlS
m
2A 2'1'1
1~ 21 2'1'2
~
26
2'1'3
U4