Solution for Galaxian
J first stage
headerless rom hash: SHA1:44BC6C4E8B3F6C635281B4C05382E8F316D8269E
headerless rom hash: MD5:01C1F123F436943527F50EB585025B99
PRG (8KB) + CHR hash: SHA1:1976F2DA2208405F0FCC2914BA09117980E01AA8
PRG (8KB) + CHR hash: MD5:839BADEB5EC1C79682C2633F61415828