I think this was added to hbmame by
@Robbbert as well and should have no errors on launching.
It's not supported in normal mame unless you launch it with debug mode.
https://www.1emulation.com/forums/topic/37789-hbmame-024526/
I'm confused I had it latest working with Michael Jordan 5.02 then my hard drive died I had to start over now I get errors and no Michael Jordan. I do not think I had debug mode? But I'm not sure.
Regardless I'll try with HBMame, thanks.
I'm trying to get it to work in launchbox where I play all my games. It works from hbmameui. I tried command prompt and got more errors.
l1_nba_jam_tournament_u12_sound_rom.u12 WRONG CHECKSUMS:
EXPECTED: CRC(4fac97bc) SHA1(bd88d8c3edab0e35ad9f9350bcbaa17cda61d87a)
FOUND: CRC(7be1622b) SHA1(1b2bedc7c98bd01e5fbed9a97256d369f8ff67e7)
l1_nba_jam_tournament_u13_sound_rom.u13 WRONG CHECKSUMS:
EXPECTED: CRC(6f27b202) SHA1(c1f0db15624d1e7102ce9fd1db49ccf86e8611d6)
FOUND: CRC(f939bfcb) SHA1(e3627afb539b56a355050f74efbb11b20becc76

l4_nba_jam_tournament_game_rom_uj12.uj12 WRONG CHECKSUMS:
EXPECTED: CRC(d7c21bc4) SHA1(e05f0299b955500df6a08b1c0b24b932a9cdfa6a)
FOUND: CRC(08507007) SHA1(b900ce98dc0725c4cd5f6a1eeefffe1f7c910d2b)
l4_nba_jam_tournament_game_rom_ug12.ug12 WRONG CHECKSUMS:
EXPECTED: CRC(7ad49229) SHA1(e9ceedb0e620809d8a4d42087d806aa296a4cd59)
FOUND: CRC(d784608e) SHA1(ed086f3d0a08392999f13cb576abecac06405484)
l1_nba_jam_tournament_game_rom_ug16.ug16 WRONG CHECKSUMS:
EXPECTED: CRC(c7ce74d0) SHA1(93861cd909e0f28ed112096d6f9fc57d0d31c57c)
FOUND: CRC(c8da980e) SHA1(a907d579e7ce699f14787d45110b0723e8ac8577)
l1_nba_jam_tournament_game_rom_uj16.uj16 WRONG CHECKSUMS:
EXPECTED: CRC(905ad88b) SHA1(24c336ccc0e2ac0ee96a34ad6fe4aa7464de0009)
FOUND: CRC(205c5fb7) SHA1(9e5ae65fb2d38643406149ffde081ee3845e1cd5)
l1_nba_jam_tournament_game_rom_ug20.ug20 WRONG CHECKSUMS:
EXPECTED: CRC(8a48728c) SHA1(3684099b4934b027336c319c77d9e0710b8c22dc)
FOUND: CRC(9cd4f985) SHA1(97ebe1df160803a2c48cbad48e66a7fba9e7f7f0)
l1_nba_jam_tournament_game_rom_uj20.uj20 WRONG CHECKSUMS:
EXPECTED: CRC(bf263d61) SHA1(b5b59e8df55f8030eff068c1d8b07dad8521bf5d)
FOUND: CRC(7a47f364) SHA1(55ef88680a5a26da3140fe49d1c102f472d41a89)
l1_nba_jam_tournament_game_rom_ug17.ug17 WRONG CHECKSUMS:
EXPECTED: CRC(9401be62) SHA1(597413a8a1eb66a7ad89af2f548fa3062e5e8efb)
FOUND: CRC(1b7ddbe9) SHA1(198309e4eabd33f23b28b99a589cf54f8f5690e

l1_nba_jam_tournament_game_rom_uj17.uj17 WRONG CHECKSUMS:
EXPECTED: CRC(8a852b9e) SHA1(604c7f4305887e9505320630027765ea76607c5

FOUND: CRC(cb08465f) SHA1(856bd3475bed9652252ba14095e4bb56df7112ac)
l1_nba_jam_tournament_game_rom_ug22.ug22 WRONG CHECKSUMS:
EXPECTED: CRC(3b05133b) SHA1(f6067abb92b8751afe7352a4f1b1a22c9528002b)
FOUND: CRC(5427ca82) SHA1(bf206c8fd47e4fa93abf344fcb4f56ab7cdc9a14)
l1_nba_jam_tournament_game_rom_uj22.uj22 WRONG CHECKSUMS:
EXPECTED: CRC(39791051) SHA1(7aa02500ddacd31fca04044a22a38f36452ca300)
FOUND: CRC(569b1ae5) SHA1(c8f73b24b24bb50e9972a7ef4b94fdc3f3d4d70d)
l1_nba_jam_tournament_game_rom_ug18.ug18 WRONG CHECKSUMS:
EXPECTED: CRC(6fd08f57) SHA1(5b7031dffc88374c5bfdf3021aa01ec4e28d0631)
FOUND: CRC(a182457b) SHA1(e9be2ab87afce3b36c4d7a28185cbb6904d0458a)
l1_nba_jam_tournament_game_rom_uj18.uj18 WRONG CHECKSUMS:
EXPECTED: CRC(4eb73c26) SHA1(693bf45f777da8e55b7bcd8699ea5bd711964941)
FOUND: CRC(ed6b08a5) SHA1(b80f151c64931370da228bec497aba41e40f12b7)
l1_nba_jam_tournament_game_rom_ug23.ug23 WRONG CHECKSUMS:
EXPECTED: CRC(854f73bc) SHA1(242cc8ce28711f6f0787524a1070eb4b0956e6ae)
FOUND: CRC(7755db95) SHA1(e490a6994ac08d9337474bbfd0feb63633460ff1)
l1_nba_jam_tournament_game_rom_uj23.uj23 WRONG CHECKSUMS:
EXPECTED: CRC(f8c3099

SHA1(33e2f982d74e9f3686b1f4a8172c49fb8b604cf5)
FOUND: CRC(a659b604) SHA1(89a498e75081f849197b2fd1da4d344cf997918d)
WARNING: the machine might not run correctly.
Average speed: 100.00% (31 seconds)