Registers are not shared. However, interrupts are. But I can modify
the ISR to determine which device is generating the interrupt and
process it accordingly.
John
On Fri, 2 Nov 2007 14:47:41 -0400, "Don Burn"
<burn@xxxxxxxxxxxxxxxxxxxx> wrote:
If you device has nothing shared, i.e. no control registers or interrupts
look at mf.sys see http://msdn2.microsoft.com/en-us/library/ms794938.aspx.
If things are shared, you need to create a bus driver and then provide a
device interface for the shared functionality.
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