README.TXT file  
14 Dec 1988 

This document includes information on new and altered features of the Orion
Instruments UniLab 8420 software, release 3.54.

*  *  *  *  *  *  *  *  *  *  *
*  Software for UniLab 8420   *
*  *  *  *  *  *  *  *  *  *  *

Type MESSAGE to see current info or last minute changes.

The on-line help provides most of what you need to get started.  Press F1 and
Ctrl-F1 for basic help text. Alt-F3  will show the assignments to all the
function keys. Press Alt-F1 for help on DDB features. New features or changes
that are processor specific will be noted on the Alt-F1 help screens.

The updated on-line glossary provides detailed information on all commands.
Type  HELP <command>  for help with any command. 

The rest of the information in this file is mainly for previous users who are
getting an update.

************************
* Changes since 3.53.2 *
************************
1. EVENTS? bug fixed.
2. When using FKEY? (Alt-F3) or HELP (F1) you can execute any function key
    without first pressing Esc to exit.
3. Minor changes in base system for PS/2 monochrome display.
4. Fixed rare problem when using ALSO and ADR.  Now the first two
    ADR specs will never have cross-product problems.  
5. 27C32 no longer supported.
6. InSight exit is prompted with message.
7. 32 bit number handler is added for 68000.
8. High Level Language STEP-LINE command (Alt-F4) added.
9. LOADER handles the SDSI format, see Glossary entry for LOADER. 
10. SYMLIST and DM now are forced to paginate.  PAGINATE switch on mode panel
     turns this off.
11. MAPSYM bug fixed.
12. SOURCE lines now shown in inverse video for clarity, 


Most of the DDB's have been augmented with a few new features, includeing
register highlighting (showing changed register contents as highlighted text in
the breakpoint displays). See the DEBUG help (Alt-F1) in the individual DDB's
for more information on processor-specific changes. 
