History of MIX Versions:

1.0 (15-jul-92) Started designing the program. Currently supported
    only EC-1840 (IBM-compatible) with non-standard COM - interface.

1.1 (05-sep-92) Added standard serial interface.

1.2 (21-oct-92) External coder/decoder available.            

1.3 (12-nov-92) The new tuning display designed.            

2.0 (19-dec-92) Designed the new screen and added many new features.

2.1 (24-feb-93) Added simple help. The first distributed version.

2.2 (03-may-93) Added COM-sound interface. Get-word functions modified.

2.3 (26-may-93) FEC - mode available now, scale modified for slow mashines,
    Ctrl-J,Ctrl-K - function added (TX and RX buffers for 60 lines).
    MIX.INI file may be used to set some params.

2.4 (06-jun-93) FEC - mode modified, LOG - number of DBF fields increased,
    the field OP added (for club stations), spelling function added.
    Virus checking added.

2.5 (12-jun-93) Now you can select file from the list. MIX.INI setup file
    added.
     
2.6 (23-Aug-93) PACTOR broadcasting mode added (100 baud). Beacon function
    added (ctrl/Z). 

2.7 (15-Sep-93) ARQ-AMTOR available now for RX, Uppercase/lowercase 
    chars added in AMTOR, RTTY.

2.8 (05-Nov-93) Better CW receiving, Ctrl/B switches additional filter.
    Uppercase/lowercase procedure works faster.

2.9 (05-Dec-93)  One error fixed (Sometimes File Save procedure 
    stops the DOS 6.0 ).  Ctrl/D sends timestamp.

2.10 (29-Dec-93)  MIX.INI has additional strings  to set default
    polarities (mark/space) for each band. 'Excwords.mix' file added
    to remove undesired words from buffers.

2.11 (09-Jan-94) The simplest RTTY MailBox  added.

2.12 (27-May-94) Macro functions understand <KEY> format. Simple
    country check added. Random string function added. Reading file
    from macro added. Max macro length increased.

2.14 (09-Jun-94) ANSI support added (PACTOR MODE).

2.15 (18-Oct-94) Uppercase/lowercase procedures modified to support
    English end Russian styles.

2.16 (25-Oct-94) Some changes in RTTY MBx system.

2.17 (01-Nov-94) Packet(AX25) receiving added. RTTY/CW filter modified.
     The Filter for Call-buffer (the first cell) modified.

2.18 (14-Nov-94) Transmits UI frames. Packet receiving procedures modified.
     Some changes in main module to reduce program size in memory.

2.19 (08-Jan-95) Diddle counter added in RTTY. Autorepeat feature added.
     TX buffer cleared now by CTRL+Y. CRTL+Q = setting AutoRepeat.
     RTTY MBx now recognizes xxCMD sequence as well as //CMD.

2.20 (29-Jan-96) A few bugs fixed (and more added :), soft DCD added for
     RTTY mode, receiving VHF 1200 and 2400 baud added. MixW interface
     now supported. 

2.21 (11-Feb-96) Fixed bug which could be found only on some MIO-cards
     (unexpected stoping the receiving).


