|Re: [hatari-devel] Possible bug in 060 exception stack frames|
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On Sonntag, 17. Januar 2021 13:55:26 CET Thorsten Otto wrote:
> On Sonntag, 17. Januar 2021 13:35:10 CET Toni Wilen wrote:
> > AmigaOS 68060 support library (which is
> > also based on Motorola FPSP) emulates this instruction correctly.
> But have you ever run the test program there? I think using -(a7) or (a7)+
> in conjunction with mulu.l is rather unusual.
> >Does it work if addressing mode is not -(a7)?
> Yes, only -(a7) or (a7)+ crashes.
By adding a trace in op_unimpl, i get this output:
68060 unimplemented opcode 4C20, PC=0101c796, SP=01021c86
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