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Re: Cassette port input frequency range? And CPU MHz ranges.

Subject: Re: Cassette port input frequency range? And CPU MHz ranges.
From: dog_cow@macgui.com (D Finnigan)
Date: Sun, 27 Nov 2011 19:19:19 +0000 (UTC)
Newsgroups: comp.sys.apple2
Organization: Mac GUI
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User-agent: Mac GUI City Usenet Posting
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Egan Ford wrote:
> I just spent my yesterday creating a new cassette input method that is
> ~11x faster than the original (I loaded moon patrol in 10 sec vs.
> 109), and while it works with Virtual ][, it fails on the real thing.
> 
> Questions:
> 
> 1.  Does anybody know the upper frequency limit of the cassette input
> port?

The limitation is the microprocessor frequency, as well as the time it takes
to execute the necessary instructions to address the cassette port.

This post from Mr. Mahon might help too:
http://macgui.com/usenet/?group=1&id=204003

-- 
]DF$
Mac GUI Vault - A source for retro Apple II and
Macintosh computing.
http://macgui.com/vault/

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  - From: Egan Ford <datajerk@gmail.com>

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