System Error Codes

BASIC09 Error Codes

Code		Symbol	Code Meaning
HEX	DEC
$0A	10	E$UnkSym	Unknown symbol
$0B	11	E$ExcVrb	Excessive verbage
$0C	12	E$IllStC	Illegal statement construction
$0D	13	E$ICOvf	I-code overflow
$0E	14	E$IChRef	Illegal channel reference
$0F	15	E$IllMod	Illegal mode
$10	16	E$IllNum	Illegal number
$11	17	E$IllPrf	Illegal prefix
$12	18	E$IllOpd	Illegal operand
$13	19	E$IllOpr	Illegal operator
$14	20	E$IllRFN	Illegal record field name
$15	21	E$IllDim	Illegal dimension
$16	22	E$IllLit	Illegal literal
$17	23	E$IllRet	Illegal relational
$18	24	E$IllSfx	Illegal type suffix
$19	25	E$DimLrg	Dimension too large
$1A	26	E$LinLrg	Line number too large
$1B	27	E$NoAssg	Missing assignment statement
$1C	28	E$NoPath	Missing path number
$1D	29	E$NoComa	Missing comma
$1E	30	E$NoDim	Missing dimension
$1F	31	E$NoDO	Missing DO Statement
$20	32	E$MFull	Memory full
$21	33	E$NoGoto	Missing GOTO
$22	34	E$NoLPar	Missing left parenthesis
$23	35	E$NoLRef	Missing line reference
$24	36	E$NoOprd	Missing operand
$25	37	E$NoRPar	Missing right parenthesis
$26	38	E$NoTHEN	Missing THEN statement
$27	39	E$NoTO	Missing TO statement
$28	40	E$NoVRef	Missing variable reference
$29	41	E$EndQou	Missing end quote
$2A	42	E$SubLrg	Too many subscripts
$2B	43	E$UnkPrc	Unknown procedure
$2C	44	E$MulPrc	Multiply defined procedure
$2D	45	E$DivZer	Divide by zero
$2E	46	E$TypMis	Operand type mismatch
$2F	47	E$StrOvf	String stack overflow
$30	48	E$NoRout	Unimplemented routine
$31	49	E$UndVar	Undefined variable
$32	50	E$FltOvf	Floating overflow
$33	51	E$LnComp	Line with compiler error
$34	52	E$ValRng	Value out of range for destination
$35	53	E$SubOvf	Subroutine stack overflow
$36	54	E$SubUnd	Subroutine stack overflow
$37	55	E$SubRng	Subscript out of range
$38	56	E$ParmEr	Parameter error
$39	57	E$SysOvf	System stack overflow
$3A	58	E$IOMism	I/O type mismatch
$3B	59	E$IONum	I/O numeric input format bad
$3C	60	E$IOConv	I/O conversion: number of out range
$3D	61	E$IllInp	Illegal input format
$3E	62	E$IOFRpt	I/O format repeat error
$3F	63	E$IOFSyn	I/O format syntax error
$40	64	E$IllPNm	Illegal path number
$41	65	E$WrSub	Wrong number of subscripts
$42	66	E$NonRcO	Non-record type operand
$43	67	E$IllA	Illegal argument
$44	68	E$IllCnt	Illegal control structure
$45	69	E$UnmCnt	Unmatched control structure
$46	70	E$IllFOR	Illegal FOR variable
$47	71	E$IllExp	Illegal expression type
$48	72	E$IllDec	Illegal declarative statement
$49	73	E$ArrOvf	Array size overflow
$4A	74	E$UndLin	Undefined line number
$4B	75	E$MltLin	Multiply defined line number
$4C	76	E$MltVar	Multiply defined variable
$4D	77	E$IllIVr	Illegal input variable
$4E	78	E$SeekRg	Seek out of range
$4F	79	E$NoData	Missing data statement

C. System Error Codes

The error codes are show in both hexadecimal and decimal. The error codes listed include NitrOS-9 system error codes, BASIC error codes, and standard windowing system error codes.

Code		Symbol	Code Meaning
HEX	DEC
$01	1		UNCONDITIONAL ABORT—An error occurred from which NitrOS-9 cannot recover. All processes are terminated.
$02	2		KEYBOARD ABORT—You pressed BREAK to terminate the current operation.
$03	3		KEYBOARD INTERRUPT—You pressed SHIFT-BREAK either to cause the current operation to function as a background task with no video display or to cause the current task to terminate.
$B7	183	E$IWTyp	Illegal Window Type—You tried to define a text type window for graphics or used illegal parameters.
$B8	184	E$WADef	Window Already Defined—You tried to create a window that is already established.
$B9	185	E$NFont	Font Not Found—You tried to use a window font that does not exist.
$BA	186	E$StkOvf	Stack Overflow—Your process (or processes) requires more stack space than is available on the system.
$BB	187	E$IllArg	Illegal Argument—You have used an argument with a command that is inappropriate.
$BD	189	E$ICoord	Illegal Coordinates—You have given coordinates to a graphics command that are outside the screen boundaries.
$BE	190	E$Bug	Internal Integrity Check—System modules or data are changed and are no longer reliable.
$BF	191	$BufSiz	Buffer Size Too Small—The data you assigned to a buffer is larger than the buffer.
$C0	192	E$IllCmd	Illegal Command—You have issued a command in a form unacceptable to NitrOS-9.
$C1	193	E$TblFul	SCREEN OR WINDOW TABLE IS FULL—You do not have enough room in the system window table to keep track of any more windows or screens.
$C2	194	E$BadBuf	BAD/UNDEFINED BUFFER NUMBER—You have specified an illegal or undefined buffer number.
$C3	195	E$IWDef	ILLEGAL WINDOW DEFINITION—You have tried to give a window illegal parameters.
$C4	196	E$WUndef	WINDOW UNDEFINED—You have tried to access a window that you have not yet defined.
$C5	197	E$Up	Up arrow pressed on SCF I$ReadLn with PD.UP enabled
$C6	198	E$Dn	Down arrow pressed on SCF I$ReadLn with PD.DOWN enabled
$C7	199	E$Alias
$C8	200	E$PthFul	PATH TABLE FULL—NitrOS-9 cannot open the file because the system path table is full.
$C9	201	E$BPNum	ILLEGAL PATH NUMBER—The path number is too large or you specified a non-existent path.
$CA	202	E$Poll	INTERRUPT POLLING TABLE FULL—Your system cannot handle an interrupt request because the polling table does not have room for more entries.
$CB	203	E$BMode	ILLEGAL MODE—The specified device cannot perform the indicated input or output function.
$CC	204	E$DevOvf	DEVICE TABLE FULL—The device table does not have enough room for another device.
$CD	205	E$BMID	ILLEGAL MODULE HEADER—NitrOS-9 cannot load the specified module because its sync code, header parity, or Cyclic Redundancy Code is incorrect.
$CE	206	E$DirFull	MODULE DIRECTORY FULL—The module directory does not have enough room for another module entry.
$CF	207	E$MemFul	MEMORY FULL—Process address space is full or your computer does not have sufficient memory to perform the specified task.
$D0	208	E$UnkSvc	ILLEGAL SERVICE REQUEST—The current program has issued a system call containing an illegal code number.
$D1	209	E$ModBsy	MODULE BUSY—Another process is already using a non-shareable module.
$D2	210	E$BPAddr	BOUNDARY ERROR—NitrOS-9 has received a memory allocation or deallocation request that is not on a page boundary.
$D3	211	E$EOF	END OF FILE—A read operation has encountered an end-of-file character and has terminated.
$D4	212		RETURNING NON-ALLOCATED MEMORY—The current operation has attempted to deallocate memory not previously assigned.
$D5	213	E$NES	NON-EXISTING SEGMENT—The file structure of the specified device is damaged.
$D6	214	E$FNA	NO PERMISSION—The attributes of the specified file or device do not permit the requested access.
$D7	215	E$BPNam	BAD PATHNAME—The specified pathlist contains a syntax error; for instance, an illegal character.
$D8	216	E$PNNF	PATH NAME NOT FOUND—The system cannot find the specified pathlist.
$D9	217	E$SLF	SEGMENT LIST FULL—The specified file is too fragmented for further expansion.
$DA	218	E$CEF	FILE ALREADY EXISTS—The specified filename already exists in the specified directory.
$DB	219	E$IBA	ILLEGAL BLOCK ADDRESS—The file structure of the specified device is damaged.
$DC	220	E$HangUp	PHONE HANGUP-DATA CARRIER LOST—The data carrier detect is lost on the RS-232 port.
$DD	221	E$MNF	MODULE NOT FOUND—The system received a request to link a module that is not in the specified directory.
$DE	222		SECTOR OUT OF RANGE—A disk sector number was specified that does not exist.
$DF	223	E$DelSP	SUICIDE ATTEMPT—The current operation has attempted to return to the memory location of the stack.
$E0	224	E$IPrcID	ILLEGAL PROCESS NUMBER—The specified process does not exist.
$E2	226	E$NoChild	NO CHILDREN—The system has issued a wait service request but the current process has no dependent process to execute.
$E3	227	E$ISWI	ILLEGAL SWI CODE—The system received a software interrupt code that is less than 1 or greater than 3.
$E4	228	E$PrcAbt	PROCESS ABORTED—The system received a signal Code 2 to terminate the current process.
$E5	229	E$PrcFul	PROCESS TABLE FULL—A fork request cannot execute because the process table has no room for more entries.
$E6	230	E$IForkP	ILLEGAL PARAMETER AREA—A fork call has passed incorrect high and low bounds.
$E7	231	E$KwnMod	KNOWN MODULE—The specified module is for internal use only.
$E8	232	E$BMCRC	INCORRECT MODULE CRC—The CRC for the module being accessed is bad.
$E9	233	E$USigP	SIGNAL ERROR—The receiving process has a previous, unprocessed signal pending.
$EA	234	E$EMod	NON-EXISTENT MODULE—The system cannot locate the specified module.
$EB	235	E$BNam	BAD NAME—The specified device, file, or module name is illegal.
$EC	236	E$BMHP	BAD HEADER—The specified module header parity is incorrect.
$ED	237	E$NoRAM	RAM FULL—No free system random access memory is available: the system address space is full, or there is no physical memory available when requested by the operating system in the system state.
$EE	238	E$DNE	Directory not empty
$EF	239	E$NoTask	No available task number

Device Driver Errors

I/O device drivers generate the following error codes. In most cases, the codes are hardware-dependent. Consult your device manual for more details.

Code		Symbol	Code Meaning
HEX	DEC
$F0	240	E$Unit	UNIT ERROR—The specified device unit does not exist.
$F1	241	E$Sect	SECTOR ERROR—The specified sector number is out of range.
$F2	242	E$WP	WRITE PROTECT—The specified device is write-protected.
$F3	243	E$CRC	CRC ERROR—A Cyclic Redundancy Code error occurred on a read or write verify.
$F4	244	E$Read	READ ERROR—A data transfer error occurred during a disk read operation, or there is a SCN (terminal) input buffer overrun.
$F5	245	E$Write	WRITE ERROR—An error occurred during a write operation.
$F6	246	E$NotRdy	NOT READY—The device specified has a not ready status.
$F7	247	E$Seek	SEEK ERROR—The system attempted a seek operation on a non-existent sector.
$F8	248	E$Full	MEDIA FULL—The specified media has insufficient free space for the operation.
$F9	249	E$BTyp	WRONG TYPE—An attempt is made to read incompatible media (for instance an attempt to read double-side disk on single-side drive).
$FA	250	E$DevBsy	DEVICE BUSY—A non-shareable device is in use.
$FB	251	E$DIDC	DISK ID CHANGE—You changed diskettes when one or more files are open.
$FC	252	E$Lock	RECORD IS LOCKED-OUT—Another process is accessing the requested record.
$FD	253	E$Share	NON-SHAREABLE FILE BUSY—Another process is accessing the requested file.
$FE	254	E$DeadLk	I/O DEADLOCK— Two processes have attempted to gain control of the same disk area at the same time.