
       D O S     T R I C K S        
 
 TRY THIS TO SEE ANY DOS, REMOVE THE
REAR MOST SET OF RAM CHIPS FROM YOUR
APPLE (THE ONES NEAR THE I/O SLOTS).
THEN INIT A DISK, REPLACE THE RAM AND
BOOT UP UNDER THE PROGRAM YOU WISH TO
DEPROTECT. THEN FORCE A REBOOT WITH THE
DISK YOU INITED IN DRIVE 1. THE DOS 
FROM THE PROTECTED DISK WILL (IN MOST
CASES) STILL BE IN THE RAM UP TOP....
 
THIS NEW DOS IS A SLAVE AT 32 K AND
THE OLD (AND PROTECTED DOS) IS STILL
AT 48 K. THIS WILL WORK ON ABOUT 50%
OF THE PROGRAMS.  ENJOY
 

YOU CAN ALSO REMOVE THE TOP 32K AND
GET TWICE AS MUCH.

=======================================
CHECKSUM TRICK

A  VERY  HANDY TECHNIQUE FOR  TAKING  A
LOOK AT THE DATA ON A PROTECTED DISK IS
TO  DISABLE  THE CHECKSUM IN THE  RWTS.
THE  FORMATS  OF MANY  PROTECTED  DISKS
VARY ONLY IN THIS CHECKSUM,  SO TURNING
IT   OFF  SHOULD  ALLOW  ANY   STANDARD
TRACK/SECTOR  UTILITY  TO LOOK  AT  THE
DISK!  TO DO THIS, BOOT UP THE DOS THAT
YOU WISH TO USE, AND ENTER THE MONITOR.
THEN  ENTER   B942:18 FOR  DOS  3.3  OR
B963:18  FOR DOS 3.2.   THIS CHANGES  A
SET  CARRY INSTRUCTION TO A CLEAR CARRY
INSTRUCTION.  NOW RETURN TO DOS AND RUN
YOUR  EDITOR.   IF  THE  DISK  YOU  ARE
LOOKING  AT  IS  PROTECTED  WITH   THIS
SYSTEM,  YOU  SHOULD BE ABLE TO READ IT
NOW. TO MAKE  THIS CHANGE TO A DOS ON A
DISK, THIS DATA IS CONTAINED IN TRACK 0
SECTOR  3,  AT EITHER BYTE $42 OR  BYTE
$63, FOR DOS 3.3 OR 3.2, RESPECTIVELY.
GOOD LUCK.......
                     RANDY

=======================================

TO AVOID RE-LOADING THE LANGUAGE CARD
ON BOOTUP ( A MAJOR IRRITATION )
CHANGE THE FOLLOWING :
 
 
IN A 48K SYSTEM, CHANGE $BFCC TO 00 AND
$BFCF TO 00 : THIS WILL PREVENT THE 
LANGUAGE CARD FROM BEING WRITTEN TO.
(INITIALIZE A DISKETTE WITH THIS DO
 TO MAKE IT BOOT UP IN THIS FASHION)
 
(IF YOU LOOK AT THE CODE, YOU CAN MAKE 
THE SAME MODS IN A COPY OF A SYST
MASTER ON THE DISK ITSELF, SO A MASTER
CREATE WILL PUT THIS DOS ON A DISKETTE.
CHANGE THE CODE THAT SAYS LDA C081 WITH
LDA C000 -- THAT SSHOULD WORK FINE.
 
=======================================

GET INTO MONITOR FROM A NORMAL DISK.
TYPE:   400<A800.ABFFM
 
POOF THERE YOU HAVE ALL THE DOS COMANDS
NOTICE THAT ALL THE LETTERS IN THE
COMAND ARE FLASHING BUT THE LAST ONE
THAT IS TO TELL YOU WHERE THE COMAND
ENDS. NOW NOTICE WHERE THE INIT,LOAD,
BLOAD,SAVE,BSAVE,CATALOG, ETC...
THEN BOOT SOMETHING LIKE BRAIN SURGEON
OR SOMETHING THAT HAS SOMETHING LIKE
A NORMAL FORMAT THEN TYPE THAT LINE
AND THEN YOU CAN SEE IF THEY CHANGED
ANY OF THE COMANDS! 
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