Working on "DOS" VGA.

Michael Stefaniuc mstefani at
Thu Apr 1 10:08:59 CDT 2010

Stefan Dösinger wrote:
> Am 01.04.2010 um 11:24 schrieb Roderick Colenbrander:
>> First of all welcome to Wine. Myself I'm a bit worried about whether
>> we should improve our DOS support even further. The problem is that
>> more and more people are moving over to 64-bit Linux. While you can
>> run 32-bit programs on a 64-bit system, there is no protected mode
>> support (vm86; there is emulation in some cases using a kernel
>> module).
> There's protected mode 32 bit, protected mode 16 bit, but no vm86 16 bit. So no real mode apps in Wine. We'd need to integrate a CPU emulator or JIT compiler into Wine to get this working.
Security people would love that! That way Wine won't ever need to be
able to mmap address 0x00000000.

> There are a surprising big number of Win95 area apps that have an installer that starts off in vm86 mode...


More information about the wine-devel mailing list