New test version of tulip.c, PNIC-2, 21041 and ASIX updates.

[Michael Harnois]

2.3.23 has broken the test driver; it fails with an unresolved symbol
       "__io_virt_debug." 

-- 
Michael D. Harnois, Redeemer Lutheran Church, Washburn, IA 
mharnois@willinet.net                      aa0bt@aa0bt.ampr.org 
 I have always been among those who believed that the greatest freedom of 
 speech was the greatest safety, because if a man is a fool the best thing
 to do is to encourage him to advertise the fact by speaking.
     --Woodrow Wilson