ProvideX V8.20 > Language Reference > 5. Mnemonics
611
'GS' Mnemonic
         Start Graphics Data Transmission
GUI Display/Printer or Character Display
Description
Use 'GS' to begin printing/displaying of (line-drawing) graphics. For a list of
available line-drawing characters, refer to the mnemonic 'GD' Define Graphics
Character Set, p.609. To end transmission, use 'GE' End Graphics Data, p.609.
'*H' Mnemonic
     Control Screen Colours
Definition
Format
'*H' =colour_codes$
Where:
colour_codes$ String of 8 characters representing screen colours for program
listings. The following ASCII colour codes are supported:
0
4
Blue8 Dark Gray< Dark Blue
Black*
1
5
Magenta9 Dark Red = Dark Magenta
Red
2
6
Cyan : Dark Green> Dark Cyan
Green
3
7
White ; Dark Yellow?  Dark Gray
Yellow
Each colour code position represents different elements:
1: Background colour for highlighting *[...] searches
0 to 7 for standard background colours
8 to ? for bright/foreground colours
R for Reverse Video.
2: Colour for variables.
3: Colour for literals.
4: Colour for remarks.
5: Colour for error lines.
6: Colour for mnemonics.
7: Colour for statement numbers or labels.
8: Colour for operators (e.g., + - ( ) * / ).
For positions 2 to 8 the colour codes are 0 to 7 for standard
foreground colours and 8 to ? for dim / background colours. The
command mode scanning feature uses Highlight=Yellow.
Description
Use '*H' (Star-h) to define colours in a displayed listing for the LIST Directive, p.175,
and LST( ) Function, p.475. (See also: 'CS' System Parameter, p.658.) Default settings
are shown in the example below.
Example
MNEMONIC '*H'=";4:>1=;9"