Re: A83: How about??


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Re: A83: How about??




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                 ]
>>  [  (   )                                                ]
>>   \__\ (____(   )______________/
>>         \_)        ) /
>>                   (_/
>>
>>



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