Re: [Simulavr-devel] some thoughts about the design

[Theodore A. Roth]

On Tue, 30 Sep 2003, Andreas Buhr wrote:

:)Hello all
:)
:)I see some problems in the current implementation of the VDevices:
:)At the moment, each VDev has a base and a size, i.e. each VDev has a 
:)contigous range in the memory.
:)This works for all the old devices, but not for some new ones. For 
:)example the atmega169 has three TIMSK from 0x6E to 0x70 and three TIFR 
:)from 0x35 to 0x37. In between there are a lot of other devices, like 
:)eeprom e.g..
:)
:)Anyone some ideas?
:)Or did I miss something?

You didn't miss anything, it's definitely a design flaw. I'm not sure right 
now what needs to be done though. Probably need to change the VDev to be a 
single address, but installable at many addresses. Then multiplex on the 
handled addresses within the VDev methods.

Ted Roth