Re: Need someone to do a little cracking

[sirghoul@optonline.net]

On Mon, 01 Jun 2009 23:29:14 -0700, "Michael J. Mahon" <mjmahon@aol.com> wrote:

>sirghoul@optonline.net wrote:
>> I have an original of the program RSVP that I've been trying to convert to .dsk
>> 

>
>FWIW, the DDMOVER program contains a decryption routine at $8CE1 that
>does a "running" or "chain" EOR to decrypt the code stored at $8AFA to
>$8BFB.
>
>Patching the RTS at $8D26 to BRK and running the code will reveal
>the decrypted code.
>
>-michael

<grin> All of which is beyond my skills. I can follow along in an explanation, and perform the part where it says 'copy
this to here, make these changes, viola!!'.

I've disabled a few boot-up crackscreens by finding the jump to the unpacking code, and the infinite wait-for-a-keypress
loop, but RWTS?? mostly Greek to me.

John.


Little Birdie In The Sky....

Why'd you do that in my eye??

I won't holler, I won't cry......

I'm happy elephants can't fly!!