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.
