Yeah that's how you trick the 68k into thinking the Z80 is there.
I'm trying to put the Z80 in for real now =)
> Hi, > > As far as I remember you need to return 1 when read from address 0x320000. I > think thats how removed the "Z80 Error" message. > > stay safe, > > AamirM > > > To answer my own question for anyone who's curious: > > > > The bios will be happy with just the Z80. No ym2610 is needed. > > > > > The neogeo bios does a test of the Z80, and hangs with an error message if > the > > > Z80 behaves improperly. > > > > > > How much of the Z80 needs to be emulated to pass this test? Will the Z80 > pass > > > on its own (with the ym2610 stubbed out), or does it need parts of the > ym2610 > > as > > > well? > > > > > >
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