D9060/D9090 DOS board memory map

From: Ethan Dicks (ethan_dicks_at_yahoo.com)
Date: 1999-10-08 02:00:30

>From perusing the code and schematics, I have a memory map for the 6502 at 4A,
the controller CPU, not the IEEE CPU...


The memory scheme is duplicated 8 times because of incomplete decoding (A13-A15
are not used).  I have listed the primary address at which the various items
would normally be accessed.

Hopefully DOS2.6 and DOS3.0 internal operation commands are similar.  That will
make interpreting the 2K ROM easier.


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