You talk about old apps that make hardware calls. Also would be interesting a standar sound library for new DOS apps.
2009/5/18, Christian Masloch <c...@bttr-software.de>: >> Linux has supported ac97 soundcards for years, why can't dos have >> a .sys driver that can be loaded at boot time to do the same thing? >> there's a *lot* of motherboards that have ac97 support these days, >> well over 50%, and having a .sys driver to handle these kinds of >> boards would add a great deal of usability to dos apps, especially >> ones that already work directly with sb compatible cards. > > The problem is that apps working with SB cards usually do this by > accessing hardware ports directly (in/out instructions). You can't "hook" > ports as easily as interrupts, so a driver which would provide other sound > cards to work as SB would require protected mode. It has been suggested to > write the driver as Jemm Loadable Module (JLM) to do this. This could only > be loaded by the Jemm386 memory manager. > > Regards, > Christian > > ------------------------------------------------------------------------------ > Crystal Reports - New Free Runtime and 30 Day Trial > Check out the new simplified licensing option that enables > unlimited royalty-free distribution of the report engine > for externally facing server and web deployment. > http://p.sf.net/sfu/businessobjects > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > -- -- +-+-+-+-+-+-+-+ Marco A. Achury Tel: +58-(212)-6158777 Cel: +58-(414)-3142282 Fax: +58-(212)-2410828 Skype: marcoachury www.geocities.com/marcoachury ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user