RIGAL/rigdm218

RIGAL/DEMO V.2.18
==================
May 29, 1992

This version of Rigal is non commercial
and useful only for demonstration and simple examples.

For IBM/PC/XT, IBM/PC/AT, IBM/PS-2 and compatible,
under MS-DOS with any colour graphic card.
Hard disc is not used for DEMO execution.

DEMO package may be moved to another hard or floppy disc.
Not copy-protected. Free available.

WHAT TO DO
==========
1. Insert this floppy disk to drive and close disk drive door.
( for example, drive A: )
2. Press A: and "ENTER" key.
3. Press DEMO and "ENTER" key
4. Watch demo package - about 20 minutes (in default mode )
5. Open disk drive door and take out this floppy disc.


DEMONSTRATION
=============
Press DEMO

Press DEMO 10 for fast show,
DEMO 300 for low speed.
(default is DEMO 100)

RUNNING RIGAL
=============
Press RIG [ file_name ] in this directory

RIG.EXE includes
Built-in Text Editor, Checker and Interpreter.
Default work file is WORK.RIG.
You can call RIG.EXE from ANY directory too.
You can give it one parameter - file name without .RIG

Documents in English

README 1ST - this file
HELP TXT - small help about scanners
RIGAL DOC - short description of RIGAL language

Examples

WORK RIG - printnig small tree
EXA RIG - used for DEMO.
EX1 RIG - takes Head and Tail of list ( like EXA.RIG)
EX2 RIG - Analyses arithm. expression
EX TXT - example of expression
* RIG - small language example

All other files are necessary for running DEMO
( or are generated during running DEMO or RIG )