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Groups > comp.sys.apple2.programmer > #1167
| From | D Finnigan <dog_cow@macgui.com> |
|---|---|
| Newsgroups | comp.sys.apple2.programmer |
| Subject | Multitasking Mouse Draw Demo v1.1 |
| Date | 2014-02-25 20:57 +0000 |
| Organization | Mac GUI |
| Message-ID | <dog_cow-1393361871@macgui.com> (permalink) |
Multitasking Mouse Draw Demo v1.1 24 Feb 2014 Changes to system since version 1.0: - Individual Process Priority table - Sleeping process table - NEWPROC is now a generalized system call and can be used within processes - NEWPROC is changed to accept a process priority in the Y-register - System now allows as many as 6 total processes - Context switch optimization for when there is only 1 process - CREATEALL only creates initial process 0 with priority of $16 - New SLEEP system call allows processes to temporarily suspend execution Changes to processes since version 1.0: - There are now 4 total processes - New process 3: follows mouse presses and plots coordinates on text screen - Process 0 now creates processes 1, 2, and 3 - Process 1 has a lower priority and calls YIELD after each plot - Process 1 calls SLEEP for 8 cycles after plotting an entire row - Process 2 has the lowest priority - Process 2 calls SLEEP for 4 cycles before it begins plotting -- ]DF$ Apple II Book: http://macgui.com/newa2guide/ Usenet: http://macgui.com/usenet/ <-- get posts by email! Apple II Web & Blog hosting: http://a2hq.com/
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Multitasking Mouse Draw Demo v1.1 D Finnigan <dog_cow@macgui.com> - 2014-02-25 20:57 +0000 Source Code for Multitasking Mouse Draw Demo v1.1 D Finnigan <dog_cow@macgui.com> - 2014-02-25 21:01 +0000
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