Tandy 1000 Basic Reference Manual page 368

Chavter 12 I Error Messages
Number Message
0
a call to a USR function without a starting ad-
dress set by DEF USR.
improper argument to MID$, LEFT$, RIGHT$,
PEEK, POKE, TAB, SPC, STRING$, SPACE$,
INSTR, or LEFT$, RIGHT$, PEEK, POKE,
TAB, S P C , STRING$, SPACE$, INSTR, or
ON
...
GOTO.
negative record number used with GET or PUT.
0
0
6
Overflow
The result of a calculation was too large t o be rep-
resented in BASIC numeric format. If underflow oc-
curs, the result is zero, and execution continues
without an error.
7 Out of memory
A program is too large, has too many FOR loops or
GOSUBs, has too many variables, or has expres-
sions that are too complicated.
8
Undefined line number
A nonexistent line was referenced in a GOTO, GO-
SUB, IF
...
THEN
...
ELSE, or DELETE statement.
9
Subscript out of range
An array element is referenced with a subscript
outside the dimensions of the array or with the
wrong number of subscripts.
10
Redimensioned Array/Duplicate Definition
BASIC encountered 2 DIM statements for the same
array, or a DIM statement after the default dimen-
sion of 10 had already been established for that
array.
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