Questions tagged [os-9]

For questions regarding the OS-9 Operating System released in 1979 for the Motorola 6809 processor.

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3
votes
1answer
184 views

BASIC09 questions

I only learned of BASIC09 today, and I'm trying to wrap my head around it. The manual talks about it being a compiler, but I'm not sure I see significant differences between its I-code and tokenized ...
8
votes
2answers
211 views

Is NitrOS-9/OS-9 a preemptive multitasking environment?

The NitrOS-9 docs say it is a process based multitasking environment, and that it is a real time OS (RTOS). But I'm not sure if that means it's preemptive (OS takes control away from a program/process ...
9
votes
1answer
224 views

What are the advantages of NitrOS-9 over OS-9?

Microware released the versions of the OS-9 DOS for the CoCo. A few years later, former employees (I believe) released NitrOS-9. Both appear to be multiuser/multi-tasking OS's. What are the ...