[Coco] Another cload post for Diego [ Recovering Fast Cassette Saves]
Willard Goosey
goosey at virgo.sdc.org
Wed Sep 5 03:23:53 EDT 2012
I could swear I have more information about this tweak but I can't
find it. :-(
Again, I've never tried this, I found out about it long after I'd
moved all my coco stuff off tape.
This specifically refers to csaves made in hi-speed, but I could swear
either this (sometimes) works for cload IO errors or there's another
set of numbers for bad saves made at regular speed.
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Subject: Re: [Coco] Recovering Fast Cassette Saves
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Rogelio Perea wrote:
>Was browsing the December 1985 issue of The Rainbow and came across a 'hint'
>from a Ryan Devlin (Louisville KY). According to his note, the following
>string of commands would allow a Basic program to be loaded back into the
>CoCo *after* the program had been saved to tape with the CoCo in high-speed
>mode:
>
>POKE 143,8:POKE 149,24:POKE 145,4:CLOAD
>
>The days when I relied with cassettes to do my CoCoing are long gone, but
>during those times I did save a couple of programs forgetting to kick back
>the CoCo into its normal speed. I took those files as 'lost' saves, trying
>to retrieve the file keeping the CoCo sped up proved unreliable.
>
>Just curious at what the line above does. Is it altering a timing loop?.
>
>
>-=[ Rogelio ]=-
>
Those are the bytes that contain the 1200/2400Hz partition time, upper
limit of 1200Hz, and upper limit of 2400Hz.
Seems to me it would be much easier to just read the tapes in Fast mode,
but maybe that doesn't work.
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--
Willard Goosey goosey at sdc.org
Socorro, New Mexico, USA
I search my heart and find Cimmeria, land of Darkness and the Night.
-- R.E. Howard
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