Re: [hatari-devel] 68030 MMU work

[Thomas Huth <th.huth@xxxxxx>]

Am Sun, 9 Sep 2012 19:05:26 +0200
schrieb Andreas Grabher <andreas.grabher@xxxxxxxxxxxx>:

> I'm close to fixing the early termination problem, but i have a
> little problem understanding the datasheet. It says: PAGE FRAME
> ADDRESS = UNUSED LOGICAL PAGE ADDRESS (IF ANY) + ADDRESS FIELD FROM
> LAST DESCRIPTOR FETCHED (SIGNED ADDITION)
> 
> What is meant by "signed addition"? I have two 32-bit values with
> type uae_u32 that need to be added that way. Has anyone an idea how
> to do that in C?
> 

Sorry, not sure whether I've got that right. Did you mean that the
values are already using 32-bit, or do the values use less than 32-bit
and you just stored them in a 32-bit variable?
Could you maybe also point me to the datasheet that you are using?

 Thanks,
  Thomas