At 01:54 AM 3/15/2004 +0800, Johnson Lam wrote:
>Hi,
>
>Did some test of the latest EMM38664.EXE.
>
>It didn't like DOS32A and PMODE/W, when quit from programs have DOS32a
>will have:
>
>PANIC: MCB chain corrupted
>System Halted.
>
>When the program have PMODE/W:
>
>Illegal Instruction occurred
>CS=0F8A IP=0544 SS=1145 SP=0400 DS=0000 ES=0F8A
>EAX=00000000 EBX=00001248 ECX=00000205 EDX=00001248
>ESI=00000055 EDI=000000A1 EBP=00000000
>Opcodes @CS:IP 0F 20 C0 66 A3 AA 01 66
>Aborting program

Looks like they are using another illegal instruction in V86, based on the 0F 20 
prefix, which I'll have to emulate in EMM386.

NOEMS has no effect on UMB's.  Not related, or just distantly anyway.  That's standard 
across the EMM's.





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