=> R0 = flag word
R1 = pointer to ECF pattern if R0 b5 = set
colour number if R0 b5 = clear
This call sets or reads the text and graphics colours.
When writing colours, graphics colours may be set using a pattern block, text colours must be specified as a colour number.
When reading the colours, text colours are returned as a colour number in R1, but you must supply a pattern block to read the graphics colours.
See PRM 1, page 726.
Bit(s) Meaning
0-3 Graphic plot action
4 1 alter background colour
0 alter foreground colour
5 1 R1 is pointer to ECF pattern
0 R1 is colour number
6 1 set text colour [3.50]
0 set graphics colour
7 1 read colour [3.50]
0 write colour
6-31 reserved, must be zero
[sh-index] Back to list of manuals
|
| |
