Heathkit H9 - ROM AND PLA PROGRAMS; ROM PROGRAM

-
Paoe8s
ry
ROM
AND PLA PROGRAMS
This
section contains
a
PLA
{Programmed
Logic
Ar-
ray)
program
and three ROM
fRead
Only Memory)
programs.
ROM PROGRAM
444-'t2 IC724
ADDRESS
DATA
Logic
Term
4z
:<
v>
5>
(J
r
F
ff
.t.
I
.1.
.t.
1
.t.
Logic
Term
t?
t9
la
a1
r1
|.\
FI
U
ff
TJ
FI
J
rl
ct)
N
.t.
N
.t.
1
.t.
.t.
1
N
1'
Input
E
n
E
Outpul 8 7 o
5 4
7
a
T
Pin
#
4/
t3 L7
10
Pin
# 9
,|
5 4
z
1
0 0 0 o
0
0
0 T 0 0
o o
0 0
1 0
0 L
U
0
0 0
0
L 0
0
n
r
o o
0
0 0
7
0 0 L 0 D
o
0
T 0
0
0 0 0 0
0
o
0
t 0
7
0 0 u o o
0 o
r T
0 o o o
0 0
0
0 1-
0 0 0 0 0
o o
0 B
o I I u 0
0 7
0 0
L
0 L 1_ 0 0
0
L o
L
0
0
t L
0
0
0
I 0
1 1
0 L 1 o o
o
I
L 0 0
0 L 0 0 0
0 I
L 0
t
0
I 0 0 o
0
L 1
L 0
0
1
0 0 D
0
L L
1 7
o
I
o o 0
I
0 o
0 u
L 0
0
0 L
L 0
0 0
7
I 0
n
0 0
L o
0
L 0
4
o
0 7 1
1 o
0
7 t
L
0 0 7 0
7
0 7
0 0
L L
0 0 1
L 0
t 0
L L 0 0 0
L o
I
t 0
L t 0 7
I
7
0 7
t L
L L
0
7 0
7
I 0
0
0
1
0 0 0 7
L T
0 0
L
t
o o 0 0
I I 0
1
0 i. 0 0 1 L
t L
0 1
1 I 0 0 T 0
I
1 1 O
0 1 r o o L
7 L
t_ 0
I
L
7 0 o
o
L I
I I
o
7
r
I
L
L 0
o