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Groups > comp.sys.apple2.programmer > #1163

Re: Multitasking Mouse Draw Demo

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On 2/21/14, 12:47 PM, D Finnigan wrote:
> I wrote a multitasking demonstration this week and today it is finished
> enough to show to people. This is a multi-part post. The documentation and
> source code will appear in separate followups to this article.
>
> You can email me for a disk image with Merlin source and the binary.
>
> In brief, the system swaps three processes, or threads as we might call
> them, between the 6502. The main process will allow the user to make some
> doodles on the low-res graphics screen using the mouse. Two background
> processes run autonomously plotting red and blue blocks, respectively, to
> the screen.
>
> The VBL interrupt on the AppleMouse card provides the IRQ source.
>

Thanks for posting this.

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Thread

Multitasking Mouse Draw Demo D Finnigan <dog_cow@macgui.com> - 2014-02-21 19:47 +0000
  Documentation for Multitasking Mouse Draw Demo D Finnigan <dog_cow@macgui.com> - 2014-02-21 19:48 +0000
  Source Code for Multitasking Mouse Draw Demo D Finnigan <dog_cow@macgui.com> - 2014-02-21 19:51 +0000
  Source Code for Multitasking Mouse Draw Demo 2 D Finnigan <dog_cow@macgui.com> - 2014-02-21 19:55 +0000
  Re: Multitasking Mouse Draw Demo D Finnigan <dog_cow@macgui.com> - 2014-02-21 19:56 +0000
  Re: Multitasking Mouse Draw Demo Egan Ford <datajerk@gmail.com> - 2014-02-22 09:47 -0700
    Re: Multitasking Mouse Draw Demo D Finnigan <dog_cow@macgui.com> - 2014-02-22 17:36 +0000

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