Yes, PCSX2. I was using it just for debugging purposes.
Now I'm using PS2Link with InLink.
I renamed "doom1.wad" to "d1.wad" and editing the line 598 of d_main.c, i replaced:
"sprintf(doom1wad, "%sdoom1.wad", doomwaddir);" to
"sprintf(doom1wad, "%shost:d1.wad", doomwaddir);",
And it...