This list was obtained from Appendix D of Free Pascal's User Guide. They may or may not be the same as Borland's Turbo Pascal Runtime error codes. This page will be updated once these information has been obtained and verified.
| Code | Hex | Description |
|---|---|---|
| 001 | 01 | Invalid function number |
| 002 | 02 | File not found |
| 003 | 03 | Path not found |
| 004 | 04 | Too many open files |
| 005 | 05 | File access denied |
| 006 | 06 | Invalid file handle |
| 012 | 0C | Invalid file access code |
| 015 | 0F | FilInvalid drive number |
| 016 | 10 | Cannot remove current directory |
| 017 | 11 | Cannot rename across drive |
| 100 | 64 | Disk read error |
| 101 | 65 | Disk write error |
| 102 | 66 | File not assigned |
| 103 | 67 | File not open |
| 104 | 68 | File not open for input |
| 105 | 69 | File not open for output |
| 106 | 6A | Invalid numeric format |
| 107 | 6B | Invalid enumeration |
| 150 | 96 | Disk is write-protected |
| 151 | 97 | Bad drive request struct length |
| 152 | 98 | Drive not ready |
| 154 | 9A | CRC error in data |
| 156 | 9C | Disk seek error |
| 157 | 9D | Unknown media type |
| 158 | 9E | Sector Not Found |
| 159 | 9F | Printer out of paper |
| 160 | A0 | Device write fault |
| 161 | A1 | Device read fault |
| 162 | A2 | Hardware failure |
| 200 | C8 | Division by zero |
| 201 | C9 | Range check error |
| 202 | CA | Stack overflow error |
| 203 | CB | Heap overflow error |
| 204 | CC | Invalid pointer operation |
| 205 | CD | Floating point overflow |
| 206 | CE | Floating point underflow |
| 207 | CF | Invalid floating point operation |
| 208 | D0 | Overlay manager not installed |
| 209 | D1 | Overlay file read error |
| 210 | D2 | Object not initialized |
| 211 | D3 | Call to abstract method |
| 212 | D4 | Stream registration error |
| 213 | D5 | Collection index out of range |
| 214 | D6 | Collection overflow error |
| 215 | D7 | Arithmetic overflow error |
| 216 | D8 | General Protection fault |
| 217 | D9 | Unhandled exception occurred |
| 218 | DA | Invalid value specified |
| 219 | DB | Invalid typecast |
| 222 | DE | Variant dispatch error |
| 223 | DF | Variant array create |
| 224 | E0 | Variant is not an array |
| 225 | E1 | Var Array Bounds check error |
| 227 | E3 | Assertion failed error |
| 229 | E5 | Safecall error check |
| 231 | E7 | Exception stack corrupted |
| 232 | E8 | Threads not supported |