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microware corporation

Microware

Microware is a US corporation that produced the OS-9 real-time operating system.

Microware Systems Corporation existed as a separate entity from 1977 until September 2001, when it was bought by RadiSys Corp., and became a division of that company. Microware initially produced a version of BASIC and a real-time kernel for the Motorola 6800 processor, and was asked by Motorola to develop what turned into BASIC09 for the then-new Motorola 6809 processor. Having written BASIC09, they decided it needed an operating system underlying it, and created the first version of OS-9.

OS-9 went on to versions for the 68000 family of processors and, rewritten mostly in C, to the Intel 80x86, PowerPC, ARM, MIPS, and some of the Hitachi SuperH (SH) series processors. Initially, in the days of the SS-50 and SS-50C, bus systems such as SWTPC, Gimix, and Smoke Signal Broadcasting, OS-9 was used more as a general purpose microcomputer operating system, and had a large, active hobbyist user population, and industrial and embedded system users. This was especially true when OS-9 was available for popular 6809-based computers such as the FM-7, FM-77, and the Tandy TRS-80 Color Computer and its near-clone, the Dragon. Over time, Microware concentrated on industrial customers and neglected the hobbyist base that was porting a great many Unix packages and utilities to OS-9.

Microware products

  • RT68 - the original product for the 6800
  • OS-9 and OS-9000 - real-time, embedded operating systems.
  • CD-RTOS - the operating system used in the Philips CD-i players, which was a special version of OS-9/68K v2.4.
  • DAVID - the Digital Audio Video Interactive Decoder platform for digital TV.
  • Ariel - a micro OS based on an OS Microware acquired.

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