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DCOPY.DOC
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1992-05-22
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5KB
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112 lines
D-COPY INSTRUCTIONS
FEATURES - SWITCHES :
=====================
DOS 1 : COPIES STANDARD DOS TRACKS INCLUDING ERRORS.
DOS 2 : COPIES STANDARD DOS TRACKS WITH CORRECTED ERRORS. CHECKSUMS ARE
RECALCULATED & SOME HEADER INFO ARE ALSO CORRECTED. OTHERWISE THE
SAME AS DOSCOPY 1. USE WHEN DATA IS LOST DUE TO READ ERRORS. THIS
WILL NOT RECOVER ALL DATA BUT SHOULD BE ABLE TO SAVE SOME.
NIB 1 : COPIES FOREIGN FORMATS. USE WHEN DISKS ARE COPY-PROTECTED. DOES NOT
WORK PROPERLY WITH THE HIGHER SPEED PROCESSORS.
NIB 2 : BASICALLY THE SAME AS NIBBLE 1. BUT USES A DIFFERENT METHOD TO FIND
THE TRACK GAP. SAME PROBLEM AS NIBBLE 1 WITH TURBO CARDS.
CHK : CHECKS STANDARD DOS TRACKS FOR ERRORS IN THE SELECTED SOURCE DRIVE.
RAM : TRACKS ARE STORED IN MEMORY (SAME AS ONE-DRIVE COPY & MAY BE WRITTEN
MORE THAN ONCE TO CHOSEN DESTINATIONS).
SRC : SOURCE DRIVE DF0: - DF3:
DEST : DESTINATION DRIVES DF0: - DF3: WRITING WILL AFFECT ALL DEST. DRIVES
SELECTED. IF DESTINATION & SOURCE DRIVE IS THE SAME IT WILL COPY IN
SINGLE-DRIVE MODE.
VERIFY: VERIFIES SELECTED DESTINATIONS. VERIFY-ERRORS ARE DISPLAYED AS BLUE
DIGITS. WHERE THE DIGIT IS THE DRIVE NUMBER. IF MORE THAN ONE DRIVE
GETS A VERIFY ERROR ON THE SAME TRACK A BLUE % WILL APPEAR INSTEAD
OF A DIGIT. THE VERIFY IS NOT COMPLETELY DEPENDABLE. BECAUSE THE
VERIFICATION STARTS HALF A SECOND AFTER THE WRITING HAS STARTED (E.G.
THE WRITING OF ONE TRACK TAKES HALF A SECOND). THE VERIFY-ROUTINE
WILL READ THE TRACK CORRECTLY. BUT A DAMAGED TRACK MAY ONLY HOLD THIS
DATA FOR A CERTAIN AMOUNT OF TIME AND THEN LOOSE IT. TO BE SURE, WAIT
A WHILE BETWEEN COPYING AND CHECKING TARGETS FOR ERRORS. ALL OTHER
COPY-PROGRAMS DO THE SAME THING. SO IT IS NOT ONLY D-COPY THAT HAS
THIS PROBLEM. THE NEXT VERSION WILL INCLUDE A SAFER WAY OF VERIFYING
DISKS.
FORMAT: ASKS FOR THE DISK NAME AND THEN STARTS THE FORMAT BY PRESSING RETURN
OR CLICKING ON `GO' !. ABORT BY CLICKING IN `ESC' !
FEATURES - BUTTONS :
====================
KILL : REMOVES SYSTEM TO INCREASE MEMORY. VERY HANDY FOR THOSE WHO ARE SHORT
ON RAM. USE WHEN COPYING IN SINGLE-DRIVE MODE. WHEN CLICKING ON THE
EXIT BUTTON THE COMPUTER RESETS (THIS IS A TRUE RESET ROUTINE. I.E.
EXPANSION BOARDS ARE FOUND WHEN THE SYSTEM IS REBOOTING). MANY OTHER
PROGS THAT USE THE KILL-FUNCTION HAVE VERY POOR RESET ROUTINES..
NAME : TELLS THE NAME OF THE DISK IN THE SELECTED SOURCE DRIVE.
DEF : SETS SIDE 0/1. START+END TRACK. SYNC-WORDS. SYNC-CORRECTOR TO THE
DEFAULT VALUES.
ERR : CLICK ON ERR AND THEN ON ERROR IN THE GRID TO GET AN EXPLANATION OF
IT.
GO! : STARTS THE SELECTED FUNCTION.
ESC : ABORTS THE SELECTED FUNCTION.
R : DOES A RETRY ON DAMAGED TRACKS AFTER A COPY. HAS SHOWN TO BE VERY
SUCCESSFUL IN READING DAMAGED TRACKS.
FEATURES - SPECIALS :
=====================
START/END : CLICK IN GRID TO SELECT START AND END TRACK.
0/1 : SELECTS WHICH HEAD TO COPY. TOP, BOTTOM OR BOTH.
SPEED : SELECT THE SPEED OF STEPPING THE HEAD FROM ONE TRACK TO THE
OTHER. SPEEDS 1-9 (FAST TO SLOW). MOST DRIVES CANNOT HANDLE A
SPEED FASTER THAN 3. YOU HAVE TO TRY OUT WHICH SPEED IS BEST FOR
YOUR DRIVE! DON'T TAKE ANY CHANCES WITH USING A FASTER SPEED THAN
YOUR DRIVE CAN HANDLE, THIS WILL ONLY RESULT IN READ-ERRORS ON
YOUR TARGET DISKS.
ATTEMPTS : NUMBER OF ATTEMPTS TO READ DAMAGED TRACKS. ALSO AFFECTS THE
NUMBER OF WRITINGS DURING VERIFICATION.
SYNC : WHEN THE SYNC SWITCH IS ON, ALL SYNC-MARKS WILL BE RECALCULATED
DURING COPY. THIS OPTION SHOULD BE TURNED OFF WHEN COPYING
FOREIGN FORMATS. THE SYNC-MARK IS A MARK THAT THE DISK-CONTROLLER
USES TO FIND THE START OF A TRACK/SECTOR ON THE DISK. THE
STANDARD MARK FOR THE AMIGA IS $4489. IF YOU CHANGE THIS , THE
CONTROLLER WON'T FIND ANY VALID DATA ON THE DISK. THIS CAN BE
USED AS A COPY-PROTECTION. COZ IF YOU DO NOT KNOW THE RIGHT
SYNC-WORD FOR THE TRACKS, THE DISK BECOMES TOTALLY UNREADABLE.
THE `R' AND `W' SWITCHES ABOVE THE SYNC-BUTTON STAND FOR READ/
WRITE SYNC-WORD. IF YOU CHANGE THE WRITE-SYNC TO ANOTHER VALUE
AND COPY THE DISK WITH THIS, THE DISK BECOMES UNREADABLE IF YOU
DON'T KNOW THE RIGHT SYNC-WORD. CRYPTING-PROTECTION FOR VALUABLE
DISKS CAN BE DONE WITH THIS KIND OF OPERATION. YOU JUST HAVE TO
SET THE READ-SYNC TO THE SAME VALUE AS YOU HAD ON THE WRITE-SYNC
BEFORE AND THE WRITE-SYNC TO THE STANDARD SYNC-WORD ($4489) TO
GET BACK A READABLE DISK! WHEN YOU CHOOSE YOUR `SECRET' SYNC-WORD
YOU HAVE TO LET THE PROGRAM CALCULATE IT FOR YOU BY PRESSING THE
UP OR DOWN ARROWS ON THE `|' SELECTOR TO THE RIGHT OF THE SYNC-
WORD. THIS ASSURES YOU THAT THE SYNC-WORD IS A VALID SYNC-VALUE
TO BE USED AS A SYNC-MARK.
WARNING!! USE THIS OPTION WITH CAUTION. BECAUSE INCORRECT
HANDLING WILL DESTROY ALL DATA,