DEVICES: Difference between revisions
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(Created page with "{{DISPLAYTITLE:_DEVICES}} The _DEVICES function returns the number of INPUT devices on your computer including keyboard, mouse and game devices. {{PageSyntax}} : {{Parameter|device_count%}} = _DEVICES {{PageDescription}} * 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 r...") |
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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$]], [[_DEVICEINPUT]] or any of the '''_LASTxxx''' control functions. | |||
{{PageExamples}} | {{PageExamples}} | ||
: Checking for the system's input devices. | |||
{{CodeStart}} | {{CodeStart}} | ||
devices = {{Cl|_DEVICES}} | devices% = {{Cl|_DEVICES}} {{Text|<nowiki>'MUST be read in order for other 2 device functions to work!</nowiki>|#919191}} | ||
PRINT "Number of input devices found ="; devices | {{Cl|PRINT}} {{Text|<nowiki>"Number of input devices found ="</nowiki>|#FFB100}}; devices% | ||
FOR i = 1 TO devices | {{Cl|FOR}} i% = {{Text|1|#F580B1}} {{Cl|TO}} devices% | ||
{{Cl|PRINT}} {{Cl|_DEVICE$}}(i%) | |||
{{Cl|PRINT}} {{Text|<nowiki>"Buttons:"</nowiki>|#FFB100}}; {{Cl|_LASTBUTTON}}(i%) | |||
NEXT | {{Cl|NEXT}} i% | ||
{{Cl|END}} | |||
{{CodeEnd}} | {{CodeEnd}} | ||
{{OutputStart}}Number of input devices found = 2 | {{OutputStart}}Number of input devices found = 2 | ||
| Line 29: | Line 30: | ||
Buttons: 3 | Buttons: 3 | ||
{{OutputEnd}} | {{OutputEnd}} | ||
; Note: The [[STRIG]] and [[STICK]] commands won't read from the keyboard or mouse device the above example lists. | |||
Latest revision as of 19:49, 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$, _DEVICEINPUT or any of the _LASTxxx control functions.
Examples
- Checking for the system's input devices.
devices% = _DEVICES 'MUST be read in order for other 2 device functions to work! PRINT "Number of input devices found ="; devices% FOR i% = 1 TO devices% PRINT _DEVICE$(i%) PRINT "Buttons:"; _LASTBUTTON(i%) NEXT i% END |
Number of input devices found = 2 [KEYBOARD][BUTTON] Buttons: 512 [MOUSE][BUTTON][AXIS][WHEEL] Buttons: 3 |
- Note
- The STRIG and STICK commands won't read from the keyboard or mouse device the above example lists.
See also
- _DEVICE$, _DEVICEINPUT
- _LASTBUTTON, _LASTAXIS, _LASTWHEEL
- _BUTTON, _BUTTONCHANGE
- _AXIS, _WHEEL
- _MOUSEINPUT, _MOUSEX, _MOUSEBUTTON
- STRIG, STICK
- ON STRIG(n), STRIG(n)
- Controller Devices