@lonewolf454 and whoever else it concerns
Was in the chatroom the other day and mentioned this to USBBDM. He is more than willing to get this going, or at least try. He wanted to do it while we were chatting, but I dont have a 4dtv unit (nor did I know about it or cband until summer '09). My homemade BDM programmer is not supported by his software and my only digicipher unit is dte-7100. :-(
Also there is a thread in that forum that has some interesting things going on to say the least concerning the XC chip. It had stopped recently but the OP did some "observation"
YouTube - XC78066-9 WAFFER MICROSCOPE VIDEO
OP also believes this may be the patent
Configurable Encryption/Decryption for Multiple Services Support - Patent application
nuff BS, here is the reason for my post. The OP mentions that besides the flash memory, there are two SRAM chips which are backed up by the battery just like the XC chip. This could be a potential place for the extra maps. The CS1/2 pins on MC68331 are tied to the SRAM.
c/p:
-------------------MEMORY--1------------------------MEMORY---2--------
68331-----READ-ISOLATION-STATE-WRITE--READ-ISOLATION STATE-WRITE
CS2LOW-----0--------0------------0--------------------------------------
CS1LOW---------------------------------------0-----------0------------0
R/WW=0-----1---------1------------0----------1-----------1------------0
PE5/DSDS=0-0---------1------------X----------0-----------1------------1
Thought I would have a cheap 4dtv unit to play with from fleabay by now, but H2H changed that.
Good Luck.