                Blaster TeLetype V1.54e Change History
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Changes between V1.54d and V1.54e   24/9/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o IRQ 9 allowed in bl_chk and displayed as legal in sb_globals


Changes between V1.54c and V1.54d   6/7/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o -nomixer option added to prevent setting/resetting the mixer for
  non standard sound cards.


Changes between V1.54b and V1.54c   19/2/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o Output level adjustment changes to allow maximum SB16 output and
  finer adjustment resolution. (not all compatibles support finer res.)


Changes between V1.54 and V1.54b    18/2/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o Bug fix to make PTT work in DOS window under WIN95


Changes between V1.53 and V1.54     17/2/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

o PTT on COM port mods
o Sys int catchup loop termination bug fixed. (now jae, was jge)
  - bug occured when DMA buffer crosses 8000 boundary
  - caused jumping of indicators and probably caused too slow error on 486

Changes between V1.52 and V1.53     30/1/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o Interupt overflow handling changed. BTL will now tolerate a single
  missed or delayed system timer interupt on slow machines without giving
  too slow error, if PC is able to catch up.


Changes between V1.51 and V1.52      5/1/98
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o  BTL recompiled using old version of TC2, using LARGE memory model.
   _textmode, _gotoxy, _setcursor function rewritten since TC2 functions
   either don't exist or are inadequate.


Changes between V1.5 and V1.51
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o  ALT-X immediatly stops Brag file transmission even if other charactors
   have been pressed during brag file transmission.

o  Help has been updated to include Baudot standard selection key 'B'

o  Several text files have been added to the release ZIP file. These are

   README.TXT
   FAQ.TXT
   CHANGES.TXT
   BTL.BRG
   EX1.BRG
   CQ.BRG
   DE.BEG
   DE2.BRG


Changes between V1.0 and V1.5
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Changes have been extensive and dramatic. They are too numerous to mention
everything, but the major additions and changes are as follows:

o  All Transmit functions are new
o  Extended Baudot and selection of either ITU2 or US Baudot standards added
o  "GAIN" control on input control panel replaced by output level
   control and panel renamed "Sound Blaster Control Panel"
o  User definable preset centre and shift frequencies added
o  Clear demod screen function added
o  Shift, baud rate, NAR filter setting, plus many new feature settings
   now stored in config file.
o  Extra tuning and shift adjustment keys added for finer resolution
   and for some non-english keyboards.
o  Help text updated
o  Jump to page number function added to help
o  Upper/lower case toggle added
o  RXR does not activate when sideband mode is changed
o  Logfile filename entry box allows full editing
o  50 line mode key changed to "D" (Display mode)
