DS2x86 is a DOS emulator developed specially for supercard DSTwo flashcard, now it has been updated to V0.24 let's take a look.
QUOTE(Change Log 10/08/11)
- Very preliminary paging support, for now only works in Descent 2 Demo with no sound.
- Fixed a bug in REPNE string opcodes which sometimes used the REPE versions instead.
- Ignore read from VGA port 0x3D8 (WIN386).
- Some other minor fixes and enhancements.
Download DS2x86 v0.24 Beta
Source: GBA news