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                   Contents
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    1. What is IDA?

    2. License agreement

    3. How to order/register it

    4. Sites with the new versions

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               1. What is IDA?
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   IDA  stands  for  Interactive   DisAssembler.   Unlike   many   other
disassemblers, IDA works together with you, allowing you to  modify  the
disassembled text 'on the fly'. It  supports  many  processors,  various
input file formats, can produce various output files e t.c.  IDA  has  a
built-in C-like language and sports TVision user interface. This version
of IDA works ONLY on 386 or higher!!!

    IDA works under MS DOS, under DOS extender and under OS/2.

    Below is a small description of the features:

Supported processors:           Intel 8080, 8085, Z80, HD 64180
                                Intel 8086/87
                                Intel 80286/287 real & protected
                                Intel 80386/387 real & protected
                                Intel 80486/487 real & protected
                                Intel Pentium   real & protected
                                Intel 860 XR, 860 XP (alpha!)
                                Intel 8051 series
                                Motorola 6502
                                DEC PDP-11

Input file types:               MS DOS EXE
                                MS DOS COM
                                MS DOS Driver
                                New Executable Format       (NE)
                                Linear Executable Format   (LX)
                                Linear Executable Format   (LE)
                                Portable Executable Format (PE)
                                COFF format (not finished)
                                Intel Hex Object Format
                                MOS Technologies Hex Object Format
                                Borland C overlayed files
                                Novell Netware Module      (NLM)
                                Binary

Output file types:              EXE plain (patched input file)
                                COM (patched input file)
                                BIN (patched input file)
                                ASM (output source code)
                                MAP (output MAP file for debugging)
                                IDC (IDC program to recreate IDA database)

Input file patching:            YES
Command language:               built-in C-like language
MultiTasking:                   Background analysis
Multisession:                   YES
AutoComment:                    BIOS & DOS interrupts
                                (comments for all commands are available)
Menu driven mode:               YES
MultiWindow:                    YES
Keyboard redefenition:          YES
Built-in calculator:            YES

    Limitations:

Size of input file:             UNLIMITED
Number of segments:             UNLIMITED
                                 There is a limit on the number of
                                 contigious memory chunks.
                                 It is about 170.
Address space available
for disassembling:              32-bit, up to 0xFF000000
Number of cross-references:     UNLIMITED
Max length of one comment:      255 chars (but 1 instruction can have
                                many comment lines)
Number of lines per
        instruction/data        100


NOTE:
-----
IDA incorporates compression code by the Info-ZIP group.
There are no extra charges or costs due to the use of this code,
and the original compression sources are freely available from
CompuServe in the IBMPRO forum and by anonymous ftp from the
Internet site ftp.uu.net:/pub/archiving/zip.  We will also, upon
request, mail you the full sources on a 3.5" MSDOS-format disk-
ette for the cost of mailing.

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             2. License agreement
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        Copyright (c) 1997 by Datarescue sprl; All rights reserved.

Freeware Version License 
 

     1. This version of IDA is released as freeware for private,
educational and non profit use. Companies and organizations using
IDA in a commercial environment MUST license IDA Pro, the much
extended version of IDA.

     2. IDA is provided AS IS without any  warranty, expressed or implied,
including but not limited to fitness for a particular use. The  user  is
responsible for the results of correct or incorrect usage of this software.
Datarescue disclaims all warranties as to this software, whether express
or implied, including without  limitation  any  implied warranties  of
merchantability, fitness for a particular  purpose, functionality or data
integrity or protection.

* All product names mentioned in  IDA  are  trademarks  or  registered
  trademarks of their respective holders.

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             3. How to order/register it?
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     This is a freeware product and it requires no registration.

The freeware version is an older version of Professional Interactive
Disassembler IDA PRO. IDA PRO is the most sophisticated and powerful
disassembler available now. Please look at REGFORM.TXT file for the
registration forms for IDA PRO.

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            4. Sites with the new versions
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  The future freeware versions may appear at

      http://www.simtel.com/pub/simtelnet/msdos/disasm


  Professional version of IDA is at http://www.idapro.com


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