0.118u3 or later, several m72 games doesn't pass ROM test in service mode sequence.
bchoper, mrheli, nspirit, imgfight, imgfighto, dbreedm72, airduel, dkgensanm72, xmultiplm72
The above games have "install_protection_handler()" to simulate protection.
And 0.118u3 has V30 CPU core change.
Quote:
Changed NEC V30 CPU core to use a 16-bit data bus. Updated affected
drivers: raiden, raiden2, m72, m90, m92, m107, segas32, hng64,
deadang, dynduke, sengokmj, shanghai, lockon, tatsumi, fantland,
twins, gunpey, ttchamp. Separated V-series disassembler from the
i386 disassembler and updated it to use proper register and
opcode terminology. [Aaron Giles, Philip Bennett, Pierpaolo Prazzoli]
[ATTACHED IMAGE]
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Test mode stucks in m72 games
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