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Results tagged with multitasking
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user 780
Questions regarding running more than one task concurrently on a retrocomputer.
14
votes
Did any 8-bit computer system / OS have concepts for concurrency and multitasking like we kn...
The Sinclair QL was most probably the first truly multi-tasking home computer. It's QDOS is a fully-featured preemptive multi-tasking OS. Whether it matches your definition of an 8-bit computer with i …
- 37k
7
votes
How did DoubleDOS work?
Multitasking is absolutely not depending on modern CPUs like the 386 or anything - Those CPUs go one step beyond and protect multiple tasks from each other, while earlier MT OSs had to rely on behaving … I co-wrote a multitasking system for x86 based on Turbo Pascal 5 and running from DOS for industrial control applications back in 1990. …
- 37k
4
votes
Early implementations of the `system()` call in a consumer OS
The Cambridge Z88 (1987) has a number of system calls that allow it to
enumerate installed programs on inserted flash cards in its 4MB address range
Select one of the enumerated applications to run
c …
- 37k