RE: Educational software and PET stuff

From: Raymond C. Bryan (
Date: 2001-09-02 06:33:16

>On Sat, 1 Sep 2001, Ray Bryan wrote:
>>  As far as I am aware all versions of SuperScript(and SuperBase) were Dongle
>>  protected from the pet thru the Amiga.  EZ Script was an unprotected version
>>  sort of this same ware.
>The Dongles that I have taken apart consist of nothing more than a few
>transistors in series to provide a delay for the signal to be fed back to
>the computer.  These operate so fast that a machine language routine is
>necessary to read them.  Just look for a machine language routine
>somewhere near the beginning of the program that outputs to the cassette
>port(most use the cassette port) and then reads back from the cassette
>port without doing any data I/O.

These are real dongles with logic inside.  In the Pet I think that 
(or so I was told) they went in the ROM socket - later the 
Superscript dongles were in the joystick port.

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