J:\MAME>mame64 mk4
c32boot.bin ROM NEEDS REDUMP
WARNING: the machine might not run correctly.

-----------------------------------------------------
Exception at EIP=0000000000930A73 (midzeus_renderer::render_poly(int, poly_manag
er::extent_t const&, mz_poly_extra_data con
st&, int)+0x0063): ACCESS VIOLATION
While attempting to read memory at 00000000D9235D44
-----------------------------------------------------
RAX=00000000BF002A04 RBX=000000000000002D RCX=000000001A233340 RDX=0000000000000
001
RSI=0000000000000C59 RDI=00000000FF800053 RBP=000000001C4CFC90 RSP=000000001C4CF
C90
 R8=0000000000000000  R9=00000000C0002A00 R10=0000000000000000 R11=0000000000000
000
R12=0000000019332C30 R13=000000001A78F258 R14=00000000FF800000 R15=00000000FF800
001
-----------------------------------------------------
Stack crawl:

J:\MAME>