I have a z80 devel env for mac. actually its source for unix, but it's got a c compiler and an assembler. outputs z80 code. <pre> -- Chris Kuethe <ckuethe@gpu.srv.ualberta.ca> LPGV Electronics and Controls RSA in 3 lines of PERL: #!/bin/perl -sp0777i<X+d*lMLa^*lN%0]dsXx++lMlN/dsM0<j]dsj $/=unpack('H*',$_);$_=`echo 16dio\U$k"SK$/SM$n\EsN0p[lN*1 lK[d2%Sa2/d0$^Ixp"|dc`;s/\W//g;$_=pack('H*',/((..)*)$/) </pre>