Bitfields for 386MAX debugging flags 2:
Bit(s)	Description	)
 0	DEBUG=ROMSWAP
 1	DEBUG=UNSHADOWROM
 2	DEBUG=COMPROM
 3	DEBUG=DPMIPHYS
 4	DEBUG=ALLROM
 5	DEBUG=VMS
 6	DEBUG=XMS (generate INT 01 on XMS calls)
 7	DEBUG=I06
 8	DEBUG=VCPI
 9	DEBUG=XDMA
 10	DEBUG=X09
 13	DEBUG=I67 (generate INT 01 on every INT 67 call)
 14	DEBUG=EVM (generate INT 01 on entering V86 mode)
 15	DEBUG=EMSSAVE or DEBUG=VDS