Thanks for the info, I guess in response to myself, and to all those
interested in porting to their HTC devices (probably no longer in use
like mine!)
I guess one link that will be useful to most people developing for the
HTC platforms is to the HaRET (Handheld Reverse Engineering Tool) web
page.
http://www.handhelds.org/moin/moin.cgi/HaRET
and its associated documentation
http://www.handhelds.org/moin/moin.cgi/HaRET_20Documentation
I guess the next step is to get the android source compiled for the
HTC Prophet device (OMAP 850 a 200MHz, ARMv5TEJ + GSM/GPRS digital
baseband + stacked EDGE co-processor). Looks like people have had
problems with ARMv4xxx but as it natively supports ARMv5 hopefully
this should be easier.