98 lines
2.8 KiB
Plaintext
98 lines
2.8 KiB
Plaintext
FROM : THE A.S.P ; (Against Software Protection)
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ORIGINALLY SUBMITTED TO WHIT WYATTS BBS
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PLEASE NOTE THAT THESE UNPROTECT PROCEDURES INVOLVE FROM 4 HOURS TO
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___________________________________________________________________
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40 OR MORE HOURS OF SINGLE STEPPING THRU CODE AND FIGURING OUT THE
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INTENT OF THE ORIGINAL CODE.. SO I WOULD APPRECIATE IT WHEN U PASS
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THIS ON TO OTHER BOARDS YOU DO NOT ALTER THIS OR TRY TO TAKE CREDIT
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FOR MY LOST SLEEP.... THE A.S.P... ORLANDO FLA.
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IF YOU HAVE A HARD DISK OR WANT TO CREATE A BACKUP COPY THAT IS NOT
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TIED INTO THE PC-DRAW DISKETTE...IN CASE YOUR ONLY COPY GOES BAD
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.. THIS PATCH WILL REMOVE THE COPY PROTECTION COMPLETELY....
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AS ALWAYS THIS IS FOR YOUR PERSONAL PEACE OF MIND ONLY
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IT IS NOT MEANT TO BYPASS ANY COPYRIGHTS..YOU ARE BY LAW BOUND BY
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YOUR PURCHASE LISCENSE AGREEMENT.
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IF YOU HAVE A HARD DISK AND WANT TO PUT THE PROGRAM ON SUCH
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WHY SHOULD YOU BE TIED TO A FLOPPY. YOU HAD TO GIVE UP A LOT OF
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'BIG MACS' TO GET YOUR HARD DISK.
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THIS WRITE UP ASSUMES THAT YOU ARE FAMILIAR WITH DEBUG,
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1). FORMAT A CORRESPONDING EQUAL NUMBER OF DOS2.0 OR 2.1 DISKS
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AS SYSTEM DISKS
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2). LABEL EACH OF THE 2.X FORMATTED DISKS THE SAME AS EACH ONE OF
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THE ORIGINAL 'PC-DRAW' DISKS
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3). COPY THE FILES FROM THE ORIGINAL DISKS TO THE 2.X FORMATTED DISK
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ON A ONE FOR ONE BASIS, USING 'COPY' COMMAND
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4). PLACE THE ORIGINAL DISKS IN A SAFE PLACE, WE DONT NEED THEM ANY MORE.
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5). PLACE 'DISK 1' IN THE 'A' DRIVE
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6). RENAME DIAGRAM.EXE DIAGRAM
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7). DEBUG DIAGRAM
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8). YOU NOW NEED TO NOP A RANGE OF SEVERAL INSTRUCTIONS AS FOLLOWS
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9). FIRST YOU SHOULD SEE THE FOLLOWING CODE AT ADDRESS
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CS:B2C1 EBF7 JMP B2BA
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B2C3 EB0A JMP B2CF
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IF U DONT U MAY HAVE A DIFFERENT VERSION SO DONT PROCEED ANY FARTHER,
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BUT FIRST DO A SEARCH FOR THE FOLLOWING CODE:
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10). S CS:100 L EFFF CD 13 72 21
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CD13 INT 13
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7221 JB ZZZZ ;WHERE ZZZZ IS AN ADDRESS, MINE WAS 'B2C6'
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DEBUG WILL RETURN THE ADDRESS WHERE THE STRING IS FOUND IN THE FORM
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XXXX:YYYY MY ADDRESS WAS 8F1:B2A1
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ENTER THE CHANGE TO CHANGE "INT 13" TO "STC" AND "NOP", THIS WILL FORCE
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A JUMP TO THE NOP'S TO BE ENTERED BELOW
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11). E YYYY F9 90
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MY 'YYYY; WAS 'B2A1'
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12). AGAIN USE THE ADDRESS AT 'ZZZZ' ABOVE TO DO STEP 13.
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13). E ZZZZ 90 90 90 90 90 90 90 90 90
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AGAIN MY 'ZZZZ' WAS `B2C6'
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THAT IS 9 (NINE) NOP'S .........
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14). W
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15). Q
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16). RENAME DIAGRAM DIAGRAM.EXE
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NOTE: PC-DRAW IS NOW COMPLETELY UNPROTECTED.
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IF U WANT TO USE 'PC-DRAW' FROM HARD DISK OR RAM DISK U MUST USE THE
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CORRECT 'ASSIGN=', SINCE 'PC-DRAW' APPEARS TO HAVE DRIVES HARD CODED.
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ENJOY YOUR NEW FOUND FREEDOM..HARD DISKS FOREVER!!!!!
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