Re: [hatari-devel] Re: 040/060 emulation issue with Q2

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 03/03/2015 19:49, Douglas Little a écrit :
> ...cont'd.
>
> Two of the fault cases throw illegal instructions on FPU opcodes, within
> valid code.
>
> $00028018 : f200 1400                          fmove.x   fp5,fp0
> $0002801c : f210 4500                          fmove.s   (a0),fp2
> $00028020 : f29b                               DC.W      $f29b
> $00028074 : f200 083a                          ftst.x    fp2,fp0
> $00028078 : f29d                               DC.W      $f29d
> $0002807c : f200 1528                          fsub.x    fp5,fp2
> $00028080 : f201                               DC.W      $f201
> $00028084 : f201                               DC.W      $f201
> $00028088 : 2081                               move.l    d1,(a0)
> $0002808a : f23c 4538 4020 0000                fcmp.s    #$40200000,fp2
> $00028092 : f29d                               DC.W      $f29d
> $000280ce : f201                               DC.W      $f201
> *$000280d4 : ff70                               DC.W      $ff70  <--
> illegal?*

Hi

just to be sure it's not a disassembler problem, could you run hatari 
with "--disasm uae" and see if you get different results (or more 
coherent ones) ?  (Hatari can use UAE/WinUAE disassember or the external 
one)

Nicolas