bemanitools-supplement/misc/d3d8to9/README.md

DirectX 8 to 9 wrapper

Source: https://github.com/crosire/d3d8to9

Includes:

• d3d8.dll (compiled binary)
• Source code for compiled binary

Why?

Some Konami games are quite old and don't run well on modern versions of Windows (7 and newer):

• Framerate is not locked to v-sync though v-sync is turned on
• Random stuttering and slow-downs

Games with these issues experienced thus far:

• IIDX 9 to 13: Even with bemanitools various settings in place, these games would not run flawlessly on Windows 10: Random stuttering in menus and during songs causing them to drift off-sync though the framerate was supposed to be stable.

Install

• Requires the D3D9 SDK: https://www.microsoft.com/en-us/download/confirmation.aspx?id=8109
• Put the d3d8.dll next to your game executable.

For example:

• IIDX: Put d3d8.dll next to bm2dx.exe.