| Re: [hatari-devel] Hatari and OUTSIDE (virtual memory manager) |
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- To: hatari-devel@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [hatari-devel] Hatari and OUTSIDE (virtual memory manager)
- From: Uwe Seimet <Uwe.Seimet@xxxxxxxxx>
- Date: Tue, 2 Oct 2018 16:40:15 +0200
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> Le 02/10/2018 à 16:29, Uwe Seimet a écrit :
> > Looks as if my previous posting got lost.
>
> you sent it to me directly :)
:)
>
> >
> > According to TEMPLMON the instruction is F036 9E01 0161 0010
> >
> > PTESTR DFC,([$0010,A6]),#7
>
> ptest is supported, but maybe some corner cases are not. I need to
> activate traces in this part of the code and look in more details.
This is the context, important part of the bus error handling:
cmp #$1008,6(a6) ;throwaway stackframe?
bne is_isp ;no-
movec msp,a6
is_isp: move.b 11(a6),d0 ;FC2-FC0
movec d0,dfc
ptestr dfc,([16,a6]),#7
subq.l #2,sp
pmove psr,(sp)
btst #INVALID,(sp)+ ;test I bit
beq busold0 ;bus error-