Is it there any way to *KNOW* if Sprinter is in TURBO mode?
I know the Bios Call (Bios v2.12.251) to SET turbo on/off, but how do I do to GET the current state of Turbo?

Also: Is there any documentation on the new/revised BIOS calls for Bios v3.xx.yyy?

More: How can I access Sprinter serial and parallel ports' lines low level?

(Sorry for being such an asking pest...)

Thanks!

Marcelo.
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Speccy rules, its staff is Sprinter.

You will know which mode is ON if counting steps between interruptions.
And we think only Spectrum Configuration needs possibility of switching of Turbo/ Not Turbo.
May be we should delete it from future version of firmware?

Full functions list of BIOS 3.00 will be published soon.

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PETERS PLUS LTD

also, in spectrum basic or tr-dos you can listen to the pitch when pressing keys,
high pitch = 21MHz
low pitch = 3.5MHz

Yes, you are right absolutely!

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PETERS PLUS LTD