Shock Troopers and Metal Slug X cdis released by ReviveDC don't work on flycast

[litaniast]

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Platform / OS / Hardware: Windows 11, RetroArch Windows x64

Flycast version: latest libretro

Hardware: Intel Core I3-10100F, GeForce 3060ti, RAM 48GB

Description of the Issue

I tried run the AES4ALL cdi files released by ReviveDC(Metal Slug X and Shock Troopers) but they don't work on flycast.
All of the NEO4ALL games released by ReviveDC work fine on flycast.

According to .nfo files, they slight overclock the cpu clock of Dreamcast, so the issue might be that.

Debugging Steps Tested

• Load .cdi file
• Dreamcast logo appears
• Expected the game screen after Sega and ReviveDC logo, but hangs on logo

Logs Gathered

Screenshots

[flyinghead]

This CDI is using the SH4 MMU, which isn't supported except for Windows CE games. A lot of work would be needed to support this one game so it's not planned at the moment.