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winevdm on 64-bit Windows

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16-bit Windows (Windows 1.x, 2.x, 3.0, 3.1, etc.) on 64-bit Windows

An altered version of winevdm (a 16-bit Windows emulator), ported to 64-bit Windows.

How to run

How to install

If the registry is initialized by Windows Update, perform the above procedure again.

You can uninstall it by running uninstall.reg.

Configuration

See otvdm.ini.

How to compile(Visual Studio)

How to compile(cmake)

git clone https://github.com/otya128/winevdm.git
cd winevdm
mkdir build
cd build
cmake ..
make

How does it work?

This program contains the following items

install.inf

When 64-bit Windows detects a 16-bit installer, it has a mechanism to start an alternative installer which is not 16-bit. This program uses it.

WINDOWS directory redirection

Some Win16 programs try to save their settings in %WINDIR%<filename>.ini

In recent Windows, it is not allowed to save to %WINDIR%, so it redirects.

winevdm

winevdm.exe [--app-name app.exe] command line
winevdm.exe CALC.EXE

It can also run DOS executables (DOS emulator-like). You can set the DOS version with the VDMDOSVER environment variable.

DOS emulation is incomplete and it is recommended to use DOSBox or MS-DOS Player.