Commodore Plus 4 - Page 67

BASIC Version 3.5 Commands, Functions, and System Variables 55
Table 1-5. Joystick readings
Left Left Right Right
& up Left & down Down & down Right &up Up Middle
No fire
button 876 54 3210
With fire
button 136 135 134 133 132 131 130 129 128
Examples: PRINT JOY(l)
4 Joystick 1 is positioned down and to the right. The fire
button is not being pressed.
PRHSTTJOY(S)
134 Joystick 2 is positioned down and to the left. The fire
button is being pressed.
KEY Abbr. kE
KEY number, definition
Defines a function key and can also display an up-to-date list of the function
key definitions.
Display a list of each function key definition by typing the command KEY and
pressing the RETURN key. Do not add any parameters.
Redefine a function key by supplying values for the following parameters:
Parameters: key number, definition
1. Type the key number of the key you are redefining. You must follow it with
a comma. If you are just displaying a list of key definitions, omit this parameter.
2. Type the key definition as a text string. You can use BASIC functions and
any non-BASIC word in quotes. For a compound definition, join the strings with
plus signs (+).
Put the command in quotes. Add +CHR$(13) if you want an automatic
RETURN at the end of the definition. Add +CHR$(34) if you want to use
quotation marks.
Examples: KEY Lists the current key definitions.
KEY S/'GRAPHIC 2,1"+CHR$(13) Defines key 2 to execute a GRA
PHIC 2,1 command.
KEY 3//IHPUT//+CHR$(34) Defines key 3 to display INPUT"
on the screen.