These are the errors codes that QDOS can return from a vectored utility, a Trap or from SuperBasic extensions. When writing assembler routines, it is always advised to explicitly check the value in D0.L for an error code.
Value> | QDOS Mnemonic | SMS Mnemonic | Description |
---|---|---|---|
-1 | ERR_NC | ERR_NC | Operation not complete |
-2 | ERR_NJ | ERR_IJOB | Not a (valid) job |
-3 | ERR_OM | ERR_IMEM | Out of memory |
-4 | ERR_OR | ERR_ORNG | Out of range |
-5 | ERR_BO | ERR_BFFL | Buffer overflow |
-6 | ERR_NO | ERR_ICHN | Channel not open |
-7 | ERR_NF | ERR_FDNF | File or device not found |
-8 | ERR_EX | ERR_FEX | File already exists |
-9 | ERR_IU | ERR_FDIU | File or device already in use |
-10 | ERR_EF | ERR_EOF | End of file |
-11 | ERR_DF | ERR_DRFL | Drive full |
-12 | ERR_BN | ERR_INAM | Bad device |
-13 | ERR_TE | ERR_TRNS ERR_PRTY | Transmission error Parity error (SMS only) |
-14 | ERR_FF | ERR_FMTF | Format failed |
-15 | ERR_BP | ERR_IPAR | Bad parameter |
-16 | ERR_FE | ERR_MCHK | File error |
-17 | ERR_EX | ERR_IEXP | Expression error |
-18 | ERR_OV | ERR_OVFL | Arithmetic overflow |
-19 | ERR_NI | ERR_NIMP | Not implemented |
-20 | ERR_RO | ERR_RDO | Read only |
-21 | ERR_BL | ERR_ISYN | Bad line of Basic |
-22 | Not a QDOS error code | ERR_RWF | Read/write failed (SMS only) |