ot? Simulate something....

Tom Jennings tomj at wps.com
Fri Mar 11 12:56:12 CST 2005


> Paul Koning wrote:
>> Sure they do, or did.  An IBM 1620 had 5 digit addresses, with your
>> choice of 20k, 40k, or 60k (where k == 1000 of course) digits of core
>> memory.

On Thu, 10 Mar 2005, woodelf wrote:

> I was thinking 'solid state' memory ... Sigh!

If you really need decimally-addressed memory, and the decimal
address has a binary-weighted presentation, simply apply the
decimal address to the "binary" address lines. It will work
perfectly.

There will be unused memory cells, but who cares?


0000	0
0001	1
0010	2
0011	3
0100	4
0101	5
0110	6
0111	7
1000	8
1001	9
1010	unused
1011	unused
1100	unused
1101	unused
1110	unused
1111	unused




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