DEVICES: Difference between revisions
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{{DISPLAYTITLE:_DEVICES}} | {{DISPLAYTITLE:_DEVICES}} | ||
The | The '''_DEVICES''' function returns the number of input devices on your computer including keyboard, mouse and game devices. | ||
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* Returns the number of devices that can be listed separately with the [[_DEVICE$]] function by the device number. | * Returns the number of devices that can be listed separately with the [[_DEVICE$]] function by the device number. | ||
* Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers. | * Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers. | ||
; Note: This function must be read before trying to use the [[_DEVICE$]], [[_DEVICEINPUT]] or any of the '''_LASTxxx''' control functions. | |||
{{PageExamples}} | {{PageExamples}} | ||
; Example: Checking for the system's input devices. | |||
{{CodeStart}} | {{CodeStart}} | ||
devices = {{Cl|_DEVICES}} {{Text|<nowiki>'MUST be read in order for other 2 device functions to work!</nowiki>|#919191}} | devices = {{Cl|_DEVICES}} {{Text|<nowiki>'MUST be read in order for other 2 device functions to work!</nowiki>|#919191}} | ||
| Line 29: | Line 29: | ||
Buttons: 3 | Buttons: 3 | ||
{{OutputEnd}} | {{OutputEnd}} | ||
; Note: The [[STRIG]]/[[STICK]] commands won't read from the keyboard or mouse device the above example lists. | |||
Revision as of 19:45, 11 May 2023
The _DEVICES function returns the number of input devices on your computer including keyboard, mouse and game devices.
Syntax
- device_count% = _DEVICES
Description
- Returns the number of devices that can be listed separately with the _DEVICE$ function by the device number.
- Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers.
- Note
- This function must be read before trying to use the _DEVICE$, _DEVICEINPUT or any of the _LASTxxx control functions.
Examples
- Example
- Checking for the system's input devices.
devices = _DEVICES 'MUST be read in order for other 2 device functions to work! PRINT "Number of input devices found ="; devices FOR i = 1 TO devices PRINT _DEVICE$(i) PRINT "Buttons:"; _LASTBUTTON(i) NEXT |
Number of input devices found = 2 [KEYBOARD][BUTTON] Buttons: 512 [MOUSE][BUTTON][AXIS][WHEEL] Buttons: 3 |
See also
- _DEVICE$, _DEVICEINPUT
- _LASTBUTTON, _LASTAXIS, _LASTWHEEL
- _BUTTON, _BUTTONCHANGE
- _AXIS, _WHEEL
- _MOUSEINPUT, _MOUSEX, _MOUSEBUTTON
- STRIG, STICK
- ON STRIG(n), STRIG(n)
- Controller Devices