The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [os-9]

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

Filter by
Sorted by
Tagged with
7
votes
1answer
410 views

How to read Microware OS-9 RBF Filesystem under Windows / Linux?

I have a virtual disk image file os9000-xibase.img and Windows can't read it nor mount it. With ImDisk Virtual Disk, I'm able to mount it, but not read it, because it is a Random Block File System ...
3
votes
1answer
186 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
217 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
233 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 ...