If you find any errors below, then please email me with details of what is wrong and what I can do to fix it.
| D0 Key | QDOS Mnemonic | SMS Mnemonic | Description |
|---|---|---|---|
| $01 | IO_OPEN | IOA_OPEN | Open a channel |
| $02 | IO_CLOSE | IOA_CLOS | Close a channel |
| $03 | IO_FORMT | IOA_FRMT | Format a medium |
| $04 | IO_DELET | IOA_DELF | Delete a file |