[A83] Re: microcode
[Prev][Next][Index][Thread]
[A83] Re: microcode
the only way to "call" a piece of microcode is to use an instruction, but
z80 doesn't have any microcode!
> -----Oorspronkelijk bericht-----
> Van: assembly-83-bounce@lists.ticalc.org
> [mailto:assembly-83-bounce@lists.ticalc.org]Namens The one and only
> SUCKER ...
> Verzonden: Thursday, September 20, 2001 20:55
> Aan: assembly-83@lists.ticalc.org
> Onderwerp: [A83] Re: microcode
>
>
>
>
> >All of the P6 family can have upgraded microcode (PPro, P2, P3,
> celeron).
> >Intel decided that it didn't want to have another f00f bug requre the
> >remaking of thousands (maybe millions) of CPUs. I think that (no knowing
> >for sure) that the K6 and above from amd can, as well as the p4. I don't
> >believe that alphas can nor sparcs, m68ks, can have the
> microcode upgraded.
> >Z80s certainly can't becuase they were before the time of microcode, and
> >have all instructions 'hardwired' into the chip.
>
> But there is no way to "call" such a microcode instruction on the z80?
> Just like any other assembly instruction. If we could make programs
> in microcode it would be faster then assembly, like this:
> BASIC>ASSEMBLY>MICROCODE
>
> SUCKER
>
> >
> >James L.
> >
> >PS The only ones I am sure about are the intel ones, and the
> z80, so if I
> >am wrong please correct me. Of course if people bothered to check the
> >processors before they shipped and not cover up problems...
> >
> >
>
>
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
>
>
>
References: