Re: [myhdl-list] address decoder in myHDL

[Angel E. <ang...@gm...>]

On Mon, Dec 3, 2012 at 3:21 PM, Christopher Felton
<chr...@gm...> wrote:
> On 12/3/12 2:10 AM, Angel Ezquerra wrote:
>> You can use Python's three element comparison operator (e.g. x <= y
>> < z) on the synthesizable part. In particular you can turn
>>
>>      if addr >= laddr and addr < haddr:
>>          vsel = sel[ii]
>>
>> into:
>>
>>      if laddr <= addr < haddr:
>>          vsel = sel[ii]
>
> Chained comparisons are not supported by the converter.  Although this
> is nice for modeling and testing it cannot be used for conversion.
>
> Regards,
> Chris

You are right. I tested it and I thought it worked. However I just
tried it again and I got an error.

It is a pity, it would have been neat if it were supported.

Cheers,

Angel