QBasic 1.1: STRIG Function

Explanation

STRIG Function

Returns the status of a joystick trigger.

Worth knowing

Useful and cross-version information about the programming environments of QBasic, QuickBasic and Visual Basic for DOS.

ASCII Code Tables
Keyboard Scan Codes
Syntax Conventions
Screen Modes
Color Attributes
Error Codes

You are here: References Overview > QBasic 1.1 Commands List > STRIG Function

Syntax

STRIG(n%)

Description / Parameter(s)

A value that specifies a joystick status condition:

n%	Condition
0	Lower joystick A trigger was pressed since last STRIG(0)
1	Lower joystick A trigger is currently pressed
2	Lower joystick B trigger was pressed since last STRIG(2)
3	Lower joystick B trigger is currently pressed
4	Upper joystick A trigger was pressed since last STRIG(4)
5	Upper joystick A trigger is currently pressed
6	Upper joystick B trigger was pressed since last STRIG(6)
7	Upper joystick B trigger is currently pressed

STRIG returns -1 if the condition is true, 0 otherwise.

Example


PRINT "Press Esc to exit."
DO
  IF STRIG(0) OR INKEY$ = CHR$(27) THEN EXIT DO
LOOP
DO
  BEEP                  'BEEP while trigger A is pressed.
LOOP WHILE STRIG(1)