emulate NCR5380 MODE register
src/Makefile.am: remove target file before copy...
Properly track sign bit of NaN in mpfr fpu
It cannot work because -1 is not a character.
Fix use of getopt
Fix CAS2 emulation
yyleng has wrong type
The same is true for yyleng. This breaks code using "extern int yyleng" (eg SystemPerl)....