Basic
ON
n
GOSUB
line[,line,
...I
Looks at n and transfers program control to the subroutine indicated
by the nth line listed.
If n equals
1,
BASIC branches to the first line listed. If n equals
2,
BASIC branches to the second line listed, and
so
on.
N
must in
the range
0
to
255.
ON
Y
GOSUB1000, 2000,3000
ON
n
GOTO
Zine[,Zine,
...I
Looks at n and transfers program control to the nth line listed.
If n equals
1,
BASIC branches
to
the first line listed. If
n
equals
2,
BASIC branches to the second line listed, and
so
on.
N
must be
in the range
0
to
255.
ON
MI
GOTO
150, 160, 170, 150, 180
ON
KEY(number)
GOSUB
line
Transfers program control to a subroutine, beginning at line when
you press the specified key.
Number indicates the number of the key to trap. Function keys are
1
to
12.
The cursor direction keys are numbered:
Q
13
Q
14
0
15
Q
16
User keys are numbered
17
through
20.
User keys are defined with
the
KEY
statement.
Specifying Line
0
turns off key trapping for the specified key.
ON
KEY(13)
GOSUB
500
Tandy
1000
47
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