Commodore Plus 4 - Page 87

BASIC Version 3.5 Commands, Functions, and System Variables 75
RCLR Abbr.rC
RCLR (color source)
Finds the number of the color currently assigned to any of the five color
sources:
0 screen background color
1 foreground color
2 multicolor mode extra color 1
3 multicolor mode extra color 2
4 screen border color
Type the number of the color source in parentheses. Only the color number is
found. If you want to find the luminance, use the RLUM function.
Examples: PRINT RCLR( 1) Prints the number for the current foreground color,
3 which is 3, red.
PRIUTT RCLR(3) Prints the number for a current multicolor extra
IS color, which is 12, pink.
ROOT Abbr. rD
RDOT (mode)
Finds one of three pieces of information about the condition of the pixel cursor
by typing one of the following values for mode:
0 returns the column coordinate
1 returns the row coordinate
2 returns the color source
The color source tells you with which of the four possible color sources the dot
at the pixel cursor location is drawn:
0 screen background color
1 foreground color
2 multicolor mode extra color 1
3 multicolor mode extra color 2
Drawings cannot be made in the fifth color source, which determines the color