Radio Shack TRS-80 26-3650

7.
ERROR
MESSAGE
LIST
Error
Code
Meaning
Cause
Corrective Measure
1
Memory
overflow or
system
stack
overflow
•
Program
cannot be
written due to
insufficient
number of steps
or
memory
cannot
be
expanded.
•
Stack
overflow
due
to a
complicated
calculation
formula.
•
Clear
unnecessary programs or
reduce the
number of
memories.
•
Divide and
simplify
the numeri-
cal
expression.
2
Syntax
error
•
A
mistake has
been
made in
writing
the
program, etc.
•
The
left side
format is
different
from
the
right
side format
in
a
substitution
statement,
etc.
•
Correct the
error in the
input
program,
etc.
3
Mathematical
error
•
The
calculation
result
of
a
numerical
expression
is 10
100
or
greater.
•
Outside
the
input
range
of
a
numerical
function.
•
The result is
indefinite
or
impossible.
• Correct
the calculation
formula
or data.
•
Verify
the data.
4
Undefined
line
number error
•
No designated
line
number for a
GOTO
statement or a
GOSUB
statement.
•
Correct
the
designated
line
number.
5
Argument error
•
For
a
command
or function
that
requires an
argument,
the argument is
outside the
input range.
•
Correct
the
argument error.
6
Variable
error
•
Attempt was
made to use a
memory
which
has not been
expanded.
•
Attempt was
made to
use
the same
memory
for
a
numerical
variable and
a
character
variable at
the same
time.
•
Expand
the memory
properly.
•
Do not
use the
same
memory
for
a
numerical
variable and a
character
variable
at
the same
time.
7
Nesting
error
•
A RETURN
statement
appears other
than during
subroutine
execution.
•
A
NEXT
statement
appears other
than
during a
FOR loop
or the
variable of
the NEXT
statement is
different from
that
of the FOR
statement.
•
Subroutine
nesting
exceeds
8
levels.
•
FOR loop nesting
exceeds 4
levels.
•
Remove
the unnecessary
RETURN
statement
or NEXT
statement.
•
Reduce
the
subroutines
or
FOR-NEXT loops
to
within
the
maximum
levels.
9
Option
error
•
Execution is
performed
in the
PRT
mode,
or
an
option
command such as
SAVE
is executed
when no
printer or
tape
recorder
is
connected.
•
Connect
a
printer or
tape
recorder.
Release
the
PRT mode.
-15-