EPROM is 27C020, 2Mbit, 256KB, 8-bit, 120ns


Notes
-----
1) I could not find the EPROM's connection to ground!  
(I didn't know which pin it was at the time)

2) CE/ is connected four times.  (why?)

3) Pin 1 (Vpp) is unconnected.

P1	EPROM 	signal
------------------------------------
1	32	Vcc
2	32	Vcc
3	13	D0
4	14	D1
5
6	15	D2
7	7	A5
8	
9	18	D4
10	19	D5
11
12	20	D6
13	21	D7
14
15	12	A0
16	11	A1
17	10	A2
18	22	CE/
19	9	A3
20	8	A4

21	7	A5
22	22	CE/
23	6	A6
24	5	A7
25	27	A8
26	
27	26	A9
28	23	A10
29	25	A11
30	22	CE/
31	4	A12
32	28	A13
33	29	A14
34	22	CE/
35	3	A15
36	2	A16
37	30	A17
38	
39
40	24	OE/