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computers / comp.sys.apple2 / FASTARC: A generalization of FASTCIRC

SubjectAuthor
* FASTARC: A generalization of FASTCIRCMichael J. Mahon
`* Re: FASTARC: A generalization of FASTCIRCOliver Schmidt
 `* Re: FASTARC: A generalization of FASTCIRCmmphosis
  +* Re: FASTARC: A generalization of FASTCIRCMichael J. Mahon
  |`* Re: FASTARC: A generalization of FASTCIRCmmphosis
  | `- Re: FASTARC: A generalization of FASTCIRCMichael J. Mahon
  `- Re: FASTARC: A generalization of FASTCIRCKent Dickey

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FASTARC: A generalization of FASTCIRC

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Subject: FASTARC: A generalization of FASTCIRC
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From: mjma...@aol.com (Michael J. Mahon)
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 by: Michael J. Mahon - Mon, 5 Dec 2022 22:48 UTC

Wouldn’t you know? Shortly after releasing FASTCIRC, a subroutine for
plotting HGR circles faster than you can say “cir…”, I realized that it
could be easily generalized to draw arcs of any length (0..64, where 0 is a
single point and 64 is a full circle) and any starting angle (0..63).

I also noticed that arcs are useful in many more cases than circles—like
rounded rectangles, for example. And, of course, a circle is just a special
case of an arc, so I’m superseding FASTCIRC with FASTARC, now available on
my website. (FASTCIRC will remain available, though it is now
“deprecated”.)

FASTARC has two entry points: FASTARC, for full generality, and FASTCIRC,
for convenient circles without the Start and Length parameters. It now
contains a more robust self-relocater.

As usual, there’s a full description, a Merlin listing, and a disk image
(.PO!) for download, containing Merlin source and several demo programs.

--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com

Re: FASTARC: A generalization of FASTCIRC

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From: ol....@web.de (Oliver Schmidt)
Newsgroups: comp.sys.apple2
Subject: Re: FASTARC: A generalization of FASTCIRC
Date: Mon, 5 Dec 2022 23:46:00 -0000 (UTC)
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 by: Oliver Schmidt - Mon, 5 Dec 2022 23:46 UTC

> disk image (.PO!)

;-))

Re: FASTARC: A generalization of FASTCIRC

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From: mmpho...@macgui.com (mmphosis)
Newsgroups: comp.sys.apple2
Subject: Re: FASTARC: A generalization of FASTCIRC
Date: Wed, 7 Dec 2022 17:23:59 -0000 (UTC)
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 by: mmphosis - Wed, 7 Dec 2022 17:23 UTC

Oliver Schmidt wrote:
>> disk image (.PO!)
>
> ;-))
>
I renamed the file to FASTARC.po
so that KEGS 1.11 was able to boot it.

Re: FASTARC: A generalization of FASTCIRC

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From: mjma...@aol.com (Michael J. Mahon)
References: <9tGdnSSA6bTX6BP-nZ2dnZfqn_SdnZ2d@giganews.com>
<tmlvro$1ml22$1@solani.org>
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 by: Michael J. Mahon - Wed, 7 Dec 2022 19:54 UTC

mmphosis <mmphosis@macgui.com> wrote:
> Oliver Schmidt wrote:
>>> disk image (.PO!)
>>
>> ;-))
>>
> I renamed the file to FASTARC.po
> so that KEGS 1.11 was able to boot it.
>
>

You mean that .po is acceptable but .PO is not?
That’s wierd.

How did you like it? ;-)

--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com

Re: FASTARC: A generalization of FASTCIRC

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From: mmpho...@macgui.com (mmphosis)
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Subject: Re: FASTARC: A generalization of FASTCIRC
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 by: mmphosis - Thu, 8 Dec 2022 03:06 UTC

Michael J. Mahon wrote:
> mmphosis <mmphosis@macgui.com> wrote:
>> Oliver Schmidt wrote:
>>>> disk image (.PO!)
>>>
>>> ;-))
>>>
>> I renamed the file to FASTARC.po
>> so that KEGS 1.11 was able to boot it.
>>
>>
>
> You mean that .po is acceptable but .PO is not?
> That’s wierd.
>
> How did you like it? ;-)
>

Linux file systems are case sensitive. :(

It works really well, and much more flexible being able to draw arcs. I was
really impressed with the drawing speed in the demos.

Re: FASTARC: A generalization of FASTCIRC

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 by: Michael J. Mahon - Wed, 14 Dec 2022 08:37 UTC

mmphosis <mmphosis@macgui.com> wrote:
> Michael J. Mahon wrote:
>> mmphosis <mmphosis@macgui.com> wrote:
>>> Oliver Schmidt wrote:
>>>>> disk image (.PO!)
>>>>
>>>> ;-))
>>>>
>>> I renamed the file to FASTARC.po
>>> so that KEGS 1.11 was able to boot it.
>>>
>>>
>>
>> You mean that .po is acceptable but .PO is not?
>> That’s wierd.
>>
>> How did you like it? ;-)
>>
>
> Linux file systems are case sensitive. :(
>
> It works really well, and much more flexible being able to draw arcs. I was
> really impressed with the drawing speed in the demos.

Thank you! It was fun to provide a tool that I wished I had years ago!!
;-)

--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com

Re: FASTARC: A generalization of FASTCIRC

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From: keg...@provalid.com (Kent Dickey)
Newsgroups: comp.sys.apple2
Subject: Re: FASTARC: A generalization of FASTCIRC
Date: Mon, 13 Mar 2023 18:48:04 -0000 (UTC)
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 by: Kent Dickey - Mon, 13 Mar 2023 18:48 UTC

In article <mmphosis-1670433838@macgui.com>,
mmphosis <mmphosis@macgui.com> wrote:
>Oliver Schmidt wrote:
>>> disk image (.PO!)
>>
>> ;-))
>>
>I renamed the file to FASTARC.po
>so that KEGS 1.11 was able to boot it.

Yeah, that was a Linux-only bug in KEGS, fixed in KEGS 1.19. Linux always
has case-sensitive filesystems, and KEGS was using the wrong subroutine
to check for ".po" extension, so it ignored case on Mac, but not on Linux.

Kent

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