Re: Integer + Applesoft BASIC ROMs
- From: Ed Eastman <noone@xxxxxxxxxxx>
- Date: Fri, 30 Dec 2005 10:17:07 -0600
Great Hierophant wrote:
If you used one switch, it would need to connect six inputs to +5v and ground all at once.
I think you may have misunderstood. You switch the single select line if you use different chips.
Where you use one large ROM chip to house two copies of different firmware, you switch the address lines as the rest of the chip remains active because it is the same chip.
Thankx, Ed .
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