Re: Jiffy questions

From: Jim Brain <>
Date: Sun, 10 Nov 2013 21:21:19 -0600
Message-ID: <>
On 11/10/2013 7:04 PM, Gordon Steemson wrote:
> Hi gang,
> On Nov 10, 2013, at 3:46 PM, wrote:
>> Does JiffyDOS speed up reading/writing or only LOAD/SAVE?
> JiffyDOS specifically speeds up the transfer of data bytes on the Commodore serial bus. For compatibility reasons commands are sent using the stock Commodore protocol, but all actual data transfers (both in and out of the computer) are sped up unless the peripheral in question does not speak the JiffyDOS protocol.
>> Also, looking for a standalone Jiffy protocol implementation I found [SJLOAD] but doesn’t seem to find the SAVE counterpart, even if it’s been mentioned in some discussion threads. Does anyone know of its whereabout?
> As far as I know it’s only got “load” in the name because that’s the most common use case. I was under the impression that it is a (perhaps minimally) complete implementation and can both read and write data at JD speeds. Does its home page actually, explicitly claim otherwise?
> Regards,
> Gordon
I don't know if SJLOAD patches the LOAD/PRINT# vectors to handle the 


Jim Brain

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Received on 2013-11-11 04:00:03

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