Re: A83: How about??


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Re: A83: How about??




In a message dated 98-05-22 07:34:15 EDT, you write:

http://www.ticalc.org/pub/83/asm/programs/editprot.zip
> Thank you, I didn't know that. Where are they. They don't seem to be at
>  ticalc.org.
>  -----Original Message-----
>  From: LGB240 <LGB240@aol.com>
>  To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
>  Date: Friday, 22 May 1998 21:27
>  Subject: Re: A83: How about??
>  
>  
>  >
>  >In a message dated 98-05-22 07:14:17 EDT, you write:
>  >
>  >There is already programs that do this on the 83.  ZPROT and ZUNPROT.
>  >> I figure this is posible but I was wondering what you guys thought of. A
>  >>  program that protects and unprotects a program. I think for protecting
>  >>  programs you change one of the first bytes from 05h to 06h, and vice
>  versa
>  >>  to unprotect a program. Now the only problem of this idea is how you
>  chande
>  >>  it. Can you find the memory adress of this byte and then do something
>  like
>  >>  this...
>  >>          ld (hl), 05h
>  >>  If someone can confirm this I might actually get off my butt and make
>  it.
>  >>  From
>  >>                            ''~``
>  >>                          ( o o )
>  >>    ____.oooO__(_)__Oooo.____
>  >>   /  Steven Conway                         \
>  >>  [                                                        ]
>  >>  [   Conway@ssc.net.au                 ]
>  >>  [  (   )                                                ]
>  >>   \__\ (____(   )______________/
>  >>         \_)        ) /
>  >>                   (_/
>  >>
>  >>
>