Returned in D0 from TRAPs, Vectored Calls, and Basic extensions
| -1 | ERR_NC | Operation not complete |
| -2 | ERR_NJ | Not a (valid) job |
| -3 | ERR_OM | Out of memory |
| -4 | ERR_OR | Out of range |
| -5 | ERR_BO | Buffer overflow |
| -6 | ERR_NO | Channel not open |
| -7 | ERR_NF | File or device not found |
| -8 | ERR_EX | File already exists |
| -9 | ERR_IU | File or device already in use |
| -10 | ERR_EF | End of file |
| -11 | ERR_DF | Drive full |
| -12 | ERR_BN | Bad device |
| -13 | ERR_TE | Transmission error |
| -14 | ERR_FF | Format failed |
| -15 | ERR_BP | Bad parameter |
| -16 | ERR_FE | File error |
| -17 | ERR_EX | Expression error |
| -18 | ERR_OV | Arithmetic overflow |
| -19 | ERR_NI | Not implemented (yet) |
| -20 | ERR_RO | Read only |
| -21 | ERR_BL | Bad line of Basic |
| Last updated 4th January 1999. |