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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{{PageExamples}} | {{PageExamples}} | ||
''Example:'' Checking for the system's input devices. | ''Example:'' Checking for the system's input devices. | ||
{{CodeStart}} | {{CodeStart}} | ||
devices = {{Cl|_DEVICES}} 'MUST be read in order for other 2 device functions to work! | devices = {{Cl|_DEVICES}} 'MUST be read in order for other 2 device functions to work! | ||
PRINT "Number of input devices found ="; devices | PRINT "Number of input devices found ="; devices | ||
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PRINT {{Cl|_DEVICE$}}(i) | PRINT {{Cl|_DEVICE$}}(i) | ||
PRINT "Buttons:"; {{Cl|_LASTBUTTON}}(i) | PRINT "Buttons:"; {{Cl|_LASTBUTTON}}(i) | ||
NEXT | NEXT | ||
{{CodeEnd}} | {{CodeEnd}} | ||
{{OutputStart}}Number of input devices found = 2 | {{OutputStart}}Number of input devices found = 2 | ||
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{{PageNavigation}} | {{PageNavigation}} | ||
[[Category:Latest]] | |||
Revision as of 22:25, 22 June 2022
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$, _DEVICEINPUT or _LAST control functions.
Examples
Example: Checking for the system's input devices.
devices = _DEVICES 'MUST be read in order for other 2 device functions to work! PRINT "Number of input devices found ="; devices FOR i = 1 TO devices PRINT _DEVICE$(i) PRINT "Buttons:"; _LASTBUTTON(i) NEXT |
Number of input devices found = 2 [KEYBOARD][BUTTON] Buttons: 512 [MOUSE][BUTTON][AXIS][WHEEL] Buttons: 3 |
- Note: The STRIG/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