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activate/deactivate
function:
To
buttons
the trigger
BASIC
program
format:
STOP (ON/OFF/STOP)
activate/deactivate
function:
To
control-STOP.
format:
STRITE
(ONE/OFF/STOP)
activate/deactivate
function:
To
interval
time
ON — GOSUB
format:
ON
KEY GOSUB
function: To
set
up a line
to trap to when the function keys
are pressed
format:
STOP
ON
GOSUB
function:
set
To
line
up a
to
to when the control-STOP
trap
pressed
key
is
format:
ON STRIG
GOSUB
function: To
set
up a
line
to trap to when
pressed.
format:
ON SPRITE
GOSUB
function: To
set
up a line number for
trap to when
format:
ON
INTERVAL
GOSUB
(line
up
function: To
a line
set
interval.
trap to
time
format:
OPEN
"(device
name)"
(FOR
()
number)
(file
statement opens
function: This
further processing.
devices are supported.
following
Cassette
CAS:
screen
CRT: CRT
LPT: Line
printer.
board
KBD: Key
OUT
format:
OUT
(integer expression)
pression
2)
send
function:
a byte to
To
part (integer expression)
transmitted.
(byte) to be
trapping
of
joy sticks
of
in
a
of
trapping
a
of
trapping
in a BASIC
program
(list
line number)
of
numbers
for BASIC
(line
number)
numbers
for
BASIC
(line
number)
numbers
for
BASIC
trigger
button
the
is
(line
number)
to
BASIC
the sprites
coincide.
=
(time interval)
number)
for
number
BASIC
to
descriptor)
((file
INPUT/OUTPUT) AS
a device
for
Currently,
integer
ex-
machine
output
is
the data
_87-—
i
POKE
format:
POKE
(address
teger
expression)
function:
write a byte (data) into the
To
memory location.
PRINT/LPRINT
(list
format:
of
PRINT
(list
LPRINT
function: To
output
sole/printer
PRINT/LPRINT USING
format:
USING (string expression);
PRINT
(list of
expression)
USING (string expression);
LPRINT
expression)
(list
function:
To
print strings or
format to
specified
printer
/INPUT
PRINT
format:
PRINT
(file
INPUT
(file
write/read data
function:
To
channel.
specified
(list
of
READ
read values
function: To
ment and
assign
format:
REM
(remark)
function: To allow explanatory
inserted
in a
RESTORE
format:
RESTORE (line
function:
allow
To
DATA
read
from a specified
format:
RESUME
RESUME NEXT
(line
RESUME
function:
continue
To
after an error
has
been performed.
the memory)
of
(in-
expressions)
of
expressions)
data
the con-
to
numerics
using a
the console
number), (exp)
(variable
number),
list)
to/from
the
variables)
state-
from a
DATA
them to variables.
remarks
be
to
program
number)
be
statement
to
re-
line.
number)
execution
program
recovery procedure
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