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PrivHndlr.doc
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1989-07-22
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2KB
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31 lines
**** A Privilige Violation handler for the 68010 CPU ****
**** To use for traping those MOVE SR,ea instructions I went to use ***
**** Decigel but found it would not survive a reboot. I needed this ***
**** for those copy protected programs that run from boot. The idea ***
**** for the Violation code is from Scott Turner's Decigel program. I *
**** added the code that will allow it to survive a warm boot. ****
**** To remove the handler press the left mouse button while ****
**** rebooting. The screen will flash red to let you know the code ****
**** has gone. It allocates a port so that if you try to install ****
**** it again it will tell you it is already there. ****
**** The other way to get rid of it is to type Decigel -q ****
**** I am placing this into the public domain for use by anyone ****
**** John Veldthuis
**** 21 Ngatai Street
**** Manaia, Taranaki
**** New Zealand
**** Revision 1 3 April 1988
**** Added code to remove handler from Cli
**** Revision 2 20 September 1988
**** Changed from using the CoolCapture Vector to using RomTAGS
**** This is the proper way to survive a reboot.
**** Took awhile to work out how to use them though
**** Will work with other RomTAGS
**** Revision 3 23 September 1988
**** Changed memory allocation tactics when I found my program
**** got wiped out by an ADDMEM C00000 CFFFFF command