Have you added proper rom images under \rom-folder?
Code:
16 384 BASICROM.60
32 768 BASICROM.62
32 768 BASICROM.66
4 096 CGROM60.60
8 192 CGROM60.62
8 192 CGROM60.66
8 192 CGROM60M.62
8 192 CGROM66.66
16 384 CGROM68.64
16 384 CGROM68.68
32 768 KANJIROM.62
32 768 KANJIROM.66
189 PC60.CRC
20 PC60.TXT
330 PC60M.CRC
23 PC60M.TXT
240 PC60SR.CRC
25 PC60SR.TXT
329 PC66.CRC
20 PC66.TXT
240 PC66SR.CRC
22 PC66SR.TXT
65 536 SYSTEMROM1.64
65 536 SYSTEMROM1.68
65 536 SYSTEMROM2.64
65 536 SYSTEMROM2.68
16 384 VOICEROM.62
16 384 VOICEROM.66
65 dummy.txt