Re: [hatari-devel] Code execution discontinuities and detecting them?

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 27/02/2013 15:50, Eero Tamminen a écrit :
> Hi,
>
> On tiistai 26 helmikuu 2013, Nicolas Pomarède wrote:
> > Regarding your function cpu_opcode_type(), I think that instead of
> > masking opcodes yourself you should use OpcodeFamily (which is updated
> > for each instruction, see cpuemu.c) with the constants instrmnem defined
> > in readcpu.h
>
> That is missing family enumation for the BRA instruction.
> Could you add it for old and WinUAE CPU cores?

No, I can't add it, it's really related to the cpu emulation in 
cpuemu.c, where BRA itself doesn't exist (BRA is a special case of Bcc 
where cc is always true)

For this case, you would need to check OpcodeFamily == i_Bcc and then 
check the condition bits yourself in the current opcode.

Nicolas