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dup.rev
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1990-10-25
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*** Revision History - Disk Duplicator ***
02/22/90 - 4.8b
Repaired bug which caused stack failure on some 286/386 systems
02/24/90 - 4.9
Added data compression to disk storage
02/25/90 - 5.0
Re-stuctured program to give better flow of control
Added multi-disk sequential duplication
Added autoloader control
03/01/90 - 5.0a
Fixed bug causing refusal to recognize drives above the hard drive
03/10/90 - 5.1
Added RAM buffer for 360K disk writes
Fixed bug that reported no disk images if only one available
03/14/90 - 5.1a
Fixed problem where all writes sent to autoloader, if present
04/05/90 - 5.1c
Fixed bug that produced blank copies if compression was not used
Fixed bug that caused system crash on write if ram buffer used
Expanded compression buffer to prevent random data expansion from
corrupting string space
04/07/90 - 5.2
Added IOCTL format code to allow formatting of 1.2M and 1.4M disks
Moved Compression option to Options menu allowing it to be changed
after an image exists
Fixed bug that caused wrong file list to be displayed under some
circumstances
04/20/90 - 5.3
Added IOCTL initialization prior to disk format in AT class machines
Fixed error which caused crash if DUP.DRV missing and Read selected
Corrected cursor scan line setting which caused cursor to be displayed
as a single line above the text
04/21/90 - 5.4
Changed cursor size logic for full block on all monitor types
Changed logic so that sucessful disk operation clears previous status
codes
Added disk operation time display
Changed color of `Empty Hopper' message to make it more visible
04/26/90 - 5.4b
Added track content sensing to write routines - empty tracks are
formatted but not written or verified, speeding disk copying
Fixed flag that caused autoloader to be cycled on write operations to
any drive
Added track jump option to allow blank tracks to be skipped altogether -
this greatly speeds the duplication of disks that are not filled to
capacity
Minor cosmetic polishing
04/30/90 - 5.4d
Changed serial number update to "On the Fly" processing
Minor cosmetic polishing
05/11/90 - 5.4e
Changed logic to reject failed disk in autoloader
05/12/90 - 5.4f
Added BIOS reset call before disk write for high capacity drives
05/15/90 - 5.5
Added IOCTL support for all operations on 1.2M & 1.44M disks
06/28/90 - 5.7
Added string memory management routine to prevent "Out of string space"
errors on decompression of high capacity disk images
07/07/90 - 5.7a
Repaired faulty registration flag
09/20/90 - 5.8
Added /D switch to force DOS writes
Added /S switch to disable sound for quiet operation
09/29/90 - 5.9
Added DBT initialization to ensure proper initialization on all machine
types