[Libre-soc-dev] compressed instructions state requirements

Luke Kenneth Casson Leighton lkcl at lkcl.net
Thu Nov 26 01:52:20 GMT 2020

On 11/26/20, Jacob Lifshay <programmerjake at gmail.com> wrote:
> On Wed, Nov 25, 2020, 15:32 Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> wrote:
>> give it 30-40 minutes to complete upload and processing...
>> https://youtu.be/LdAIOew63Bs
> Watched it, it looks like a correct description of Standard Mode :)

the realisation hit me that actually, what you do is, simply use PC[1]
as the lookup of where to find EXTNNN, but from the right, not the

    ext_idx_lookup_byte = 3-PC[1]*2

48bit is the only spectacular weirdness and luckily we're in charge of
defining that.

frankly i'm.astounded it works :)


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