I'm still looking for a solution (some help) on this please. I suspect it has to do with the mame2003 configuration file. The output of dev is below, and the output is below (with mouse0 being the TurboTwist2):

drwxr-xr-x 4 root root 380 Jan 1 1980 .
drwxr-xr-x 12 root root 3.0K Mar 27 19:06 ..
drwxr-xr-x 2 root root 220 Jan 1 1980 by-id
drwxr-xr-x 2 root root 220 Jan 1 1980 by-path
crw-rw---- 1 root input 13, 64 Jan 1 1980 event0
crw-rw---- 1 root input 13, 65 Jan 1 1980 event1
crw-rw---- 1 root input 13, 66 Jan 1 1980 event2
crw-rw---- 1 root input 13, 67 Jan 1 1980 event3
crw-rw---- 1 root input 13, 68 Jan 1 1980 event4
crw-rw---- 1 root input 13, 69 Jan 1 1980 event5
crw-rw---- 1 root input 13, 70 Jan 1 1980 event6
crw-rw---- 1 root input 13, 71 Jan 1 1980 event7
crw-rw---- 1 root input 13, 72 Jan 1 1980 event8
crw-rw-r-- 1 root input 13, 0 Jan 1 1980 js0
crw-rw-r-- 1 root input 13, 1 Jan 1 1980 js1
crw-rw---- 1 root input 13, 63 Jan 1 1980 mice
crw-rw---- 1 root input 13, 32 Jan 1 1980 mouse0
crw-rw---- 1 root input 13, 33 Jan 1 1980 mouse1
crw-rw---- 1 root input 13, 34 Jan 1 1980 mouse2

Thanks,
~Mark