All CP/M software will be available immediately for all the new MSX-standard personal computer that a number of japanese firms are planning to build (electronic, June 30, p.48). Making that pissible is MSX-DOS, an 8-bit operating system featuring CP/M system calls, that was introduced early this week ib japan by microsoft Inc., of Bellevue, wash. The two dozen or so Japanese manufacturers that have agreed to make personal computer compatiable with the microsoft-originated MSX hardware and software standard will be able tp get the new software during the fourth quarter. The new 8-bit operating system will be disk-format-compatiable with microsoft's MS-DOS ( a version of which is used in the IBM Personal Computer). It will include utilities to read CP/M-format disk and will provide one-way conversion from CP/M into MS-DOS disk format. Kazuhiko Nishi, vice president of Microsoft's Japanese agent, Ascii Corp., says the U.S. firm will also supply enhanced versions of both its interpretive and compiled languges, as well as application software such as Multiplan and Microsoft Word.