State Substate Target True False Action BadFcn
-------------------------------------------------------------
A 0 a 1 ERR pushcar errmsg
B 1 ':' 2 ERR savedrive errmsg
C 2 \ 3 ERR appendpath errmsg
D 3 a 4 ERR pushcar errmsg
E 4 \ 3 5 appendpath skip
5 x 4 6 pushcar skip
6 '.' 8 7 savefname skip
7 e 13 ERR savefname errmsg
F 8 x 9 ERR pushchar errmsg
G 9 x 11 10 pushchar skip
10 e 13 ERR saveext errmsg
H 11 x 12 12 pushchar skip
12 e 13 ERR saveext errmsg
I 13 e OUT ERR cleanup errmsg