Chapter
10
I
BASIC
Keywords
STRIG
Function
STRIG(
number)
Returns the status
of
joystick buttons.
Number
is an integer in the range 0
to
7
to
test the status
of
the
joystick buttons.
Variable
is a numeric variable
to
receive the value returned by
number
.
Each
number
tests
for
a
different status
of
the buttons and re-
turns a numeric value in
variable
regarding the results
of
the
test. The
numbers
and their functions are:
Tests
to
see if Trigger
A1
has been pressed and re-
leased since the last STRIG(0) function was executed.
BASIC returns a
-1
if it has been pressed and
a
0
if
not.
Tests
to
see if you are currently pressing Trigger Al.
BASIC returns a
-1
if you are pressing it and a 0 if
not.
Tests to see if Trigger B1 has been pressed and re-
leased since the last STRIG(2) function was executed.
BASIC returns a
-1
if it has been pressed and
a
0
if
not.
Tests
to
see if you are currently pressing Trigger B1.
BASIC returns a
-1
if you are pressing it and a 0 if
not.
Tests to see if Trigger A2 has been pressed and re-
leased since the last STRIG(4) function was executed.
BASIC returns
a
-1
if it
has
been pressed
and
a
0
if
not.
Tests
to
see if you are currently pressing Trigger A2.
BASIC returns a
-1
if you are pressing it and a 0 if
not.
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