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Groups > comp.sys.apple2.programmer > #1430

Re: Source Code for Multitasking Mouse Draw Demo v1.3

From D Finnigan <dog_cow@macgui.com>
Newsgroups comp.sys.apple2.programmer
Subject Re: Source Code for Multitasking Mouse Draw Demo v1.3
Date 2014-12-28 13:38 +0000
Organization Mac GUI
Message-ID <dog_cow-1419773906@macgui.com> (permalink)
References <dog_cow-1418932376@macgui.com> <dog_cow-multitasking-sourcev1.3-17dec14@macgui.com> <11d71bea-89c2-4051-9f9a-432bc53c27d8@googlegroups.com>

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gids.rs wrote:
> On Thursday, 18 December 2014 13:57:11 UTC-6, D Finnigan  wrote:
>> For the benefit of all Apple II users, the source code is hereby 
>> surrendered into the public domain. I claim no copyright on the source
>> code.
>> 
>> Assembler used is Merlin. 
>>
> 
> 
> <snip>
> 
> 
> With all these posts of interrupts and buffers and spooling has also
> renewed my interest of serial and parallel ports, So.
> 
> Just out of curiosity, does the SSC card have a Que register that lets one
> know if the SSC is ready to send, like the parallel cards do?

Yes. Look at the code for my SSC thing that I posted recently, or consult
the appendix of the 1981 SSC ref manual.

> 
> This brings up another question.  Is it my Epson printer that has a built
> in 1 kilobyte buffer, or is it the parallel printer card that has the
> buffer?

Could be either one.

> 
> And does the SSC card possibly have a built in hardware buffer?  And how
> big it might be?
> 

Yes, but it is only enough for one character.

> So many questions, so much to learn, so little time.

Learning the SSC is not too bad because it has good Apple documentation. In
comparison, learning the TimeMaster II HO was much involved because of the
inferior Applied Engineering documentation. Had to do a lot of my own
reverse-engineering on that one!

-- 
]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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Thread

Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-18 19:52 +0000
  Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-18 19:56 +0000
    Re: Source Code for Multitasking Mouse Draw Demo v1.3 gids.rs@sasktel.net - 2014-12-19 15:24 -0800
      Re: Source Code for Multitasking Mouse Draw Demo v1.3 wssimms@gmail.com - 2014-12-27 14:09 -0800
        Re: Source Code for Multitasking Mouse Draw Demo v1.3 Michael J. Mahon <mjmahon@aol.com> - 2014-12-27 17:36 -0600
      Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-28 13:38 +0000
        Re: Source Code for Multitasking Mouse Draw Demo v1.3 gids.rs@sasktel.net - 2014-12-28 10:45 -0800
          Re: Source Code for Multitasking Mouse Draw Demo v1.3 wssimms@gmail.com - 2014-12-28 15:14 -0800
          Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-29 18:13 +0000
            Re: Source Code for Multitasking Mouse Draw Demo v1.3 gids.rs@sasktel.net - 2014-12-29 13:14 -0800
              Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-30 09:25 +0000
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 "Bill Garber" <willy46pa@comcast.net> - 2014-12-30 05:44 -0500
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-30 12:25 +0000
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 Hugh Hood <hughhood@earthlink.net> - 2014-12-30 08:03 -0600
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-30 16:57 +0000
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 "Bill Garber" <willy46pa@comcast.net> - 2014-12-30 11:48 -0500
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 Martin Doherty <martindoherty377@gmail.com> - 2014-12-30 10:22 -0800
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-30 18:55 +0000
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 Michael J. Mahon <mjmahon@aol.com> - 2014-12-30 17:54 -0600
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2014-12-31 10:31 +0000
                Re: Source Code for Multitasking Mouse Draw Demo v1.3 D Finnigan <dog_cow@macgui.com> - 2015-01-26 22:48 +0000

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