7730 addressing question

[Mike Pilkenton]

I'm curious on which V6 730 you are working on?  I have a 3.1L V6 (bin ARPL)
that I could use some help on.

Mike Pilkenton

-----Original Message-----
From: dhardin at ovec.com <dhardin at ovec.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Tuesday, June 29, 1999 8:35 AM
Subject: 7730 addressing question


>Got a question.....not a critical one, .....I'm hacking a v6 730 eprom and
>I noticed some jump instructions to an address range outside the Eprom
>around $5100.  I realize that some of the addressing can be confusing
>because of the way the eprom reader put the address range compared to the
>computer, but that is not the case here.  It is actaully literally calling
>the $5100 range.  The Eprom goes from $8000 to $FFFF.  My question is:  are
>they running the 68hc11 in a mode where it has some internal subroutines
>and memory,  or is somewhere else in the program some subroutines being
>written into this space and then executed.   Has anyone seen this before?
>
>