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Questions tagged [multitasking]

Questions regarding running more than one task concurrently on a retrocomputer.

14
votes
4answers
2k views

What are my options for multitasking in MS-DOS 5.0 on an 80186 with EMS?

I've got an HP 200LX, which runs DOS 5.0 from ROM, and I'm using EMM200 to provide some EMS from the C: RAM disk (it uses the memory controller to directly map the "disk" blocks into memory, and thus ...
66
votes
13answers
15k views

Did any 8-bit computer system / OS have concepts for concurrency and multitasking like we know from today?

So, today all major OS support multitasking and concurrency in languages like for instance threading. The Amiga seems to be the first home computer which has advanced concepts in this area. But had ...
15
votes
3answers
1k views

How did DoubleDOS work?

Back in the MS-DOS days, there was a program DoubleDOS that you could run that would split your machine in half and multitask two separate DOS programs. While it didn't particularly work well for ...