Commodore 128 Programmer's Reference Manual page 89

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BASIC BUILDING BLOCKS AND BASIC 7.0 ENCYCLOPEDIA 79
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POS
j j Return the current cursor column position within the current screen window
POS(X)
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; j The POS function indicates where the cursor is within the defined screen window. X is a
dummy argument, which must be specified, but the value is ignored. The values
^ returned range from 0-39 on the VIC screen and 0-79 on the 80-column screen.
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^ EXAMPLE:
<_» FOR I = 1 to 10 : ?SPC(I); POS(O): NEXT
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This displays the current cursor position within the defined text window.
n
Returns the value of the game-paddle potentiometer
I j POT(n)
when:
?—*
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! i n = 1, POT returns the position of paddle #1 (control port 1)
n = 2, POT returns the position of paddle #2 (control port 1)
p n = 3, POT returns the position of paddle #3 (control port 2)
j j n = 4, POT returns the position of paddle #4 (control port 2)
r^ The values for POT range from 0 to 255. Any value of 256 or more means that the fire
i button is also depressed.
EXAMPLE:
j [ 10 PRINT POT(l)
20 IF POT(l) > 256 THEN PRINT "FIRE"
<"■* This example displays the value of game paddle 1.
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RCLR
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J Return color of color source
RCLR(N)
This function returns the color (1 through 16) assigned to the color source N (0< = N = <
6), where the following N values apply: