Indeed the last official MVS freely available is 24 bit, but then you have stuff like MVS380, which supports 31 bit and has 64 bit support in the works. http:/

Indeed the last official MVS freely available is 24 bit, but then you have stuff like MVS380, which supports 31 bit and has 64 bit support in the works. http://mvs380.sourceforge.net/ http://mvs380.sourceforge.net/