Re: Copy Protection of PET cassettes - Flash Attack.

Yes.  Now try to save this to cassette using the TIM prompt using standard 
procedure.  Something prevents dumping the memory to tape.  There is some 
kind of copy protection, or at least that's what I found.

Bill Degnan

-------- Original Message --------
> From: "Daniel Kahlin" <tlr@stacken.kth.se>
> Sent: Tuesday, August 10, 2010 3:52 AM
> To: cbm-hackers@musoftware.de
> Subject: Re: Copy Protection of PET cassettes - Flash Attack.
> 
> I'm going to guess that "FLASH ATTACK" is the original game file and
> that "FLASH ATTACK 4" is patched to run on the 40xx series, no?
> 
> Apparently you can run it that way by answering no on the
> "PLAY STANDARD TWO-MACHINE GAME?" question.
> 
> Anyway a quick analysis shows that the game loads $027A-$2000.
> The first chunk at $027A looks like a cassette header indicating a file
> "FLASH ATTACK" $03FD-$2000
> 
> I found a good page about the game with an interview of on of the 
original 
> authors that stated the game was initially released on tape.
> 
> My guess is that the game will work if you load it from disk, then save 
> the range $03FD-$2000 to tape with the exact name "FLASH ATTACK" using 
the 
> monitor.
> 
> Quite interestingly there's a virtual machine at $1B7E which is the 
actual 
> game code.  On the interview page that machine is said to be a custom 
> forth-like language.
> 
> Regards
> /Daniel
> 
> On Mon, 9 Aug 2010, Bill Degnan wrote:
> 
> > You can't run the program w/o the cable btwn two PETs.  Search flash 
attack
> > on the web and my website for more info
> >
> > Bill Degnan
> 
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