GWBASIC User's Manual

GW-BASIC User's Guide
18 Undefined user function
A USR function is called before the function definition (DEF statement) is given.
19 No RESUME
An error-trapping routine is entered but contains no RESUME statement.
20 RESUME without error
A RESUME statement is encountered before an error-trapping routine is entered.
21 Unprintable error
No error message is available for the existing error condition. This is usually caused by an
error with an undefined error code.
22 Missing operand
An expression contains an operator with no operand following it.
23 Line buffer overflow
An attempt is made to input a line that has too many characters.
24 Device Timeout
GW-BASIC did not receive information from an I/O device within a predetermined
amount of time.
25 Device Fault
Indicates a hardware error in the printer or interface card.
26 FOR Without NEXT
A FOR was encountered without a matching NEXT.
27 Out of Paper
The printer is out of paper; or, a printer fault.
28 Unprintable error
No error message is available for the existing error condition. This is usually caused by an
error with an undefined error code.
29 WHILE without WEND
A WHILE statement does not have a matching WEND.
30 WEND without WHILE
A WEND was encountered without a matching WHILE.
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