TTY DEFCHAR2
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TTY_DEFCHAR2 is a system parameter that sets a second longword of default terminal characteristics (the first being set by TTY_DEFCHAR). The default characteristics are represented as a code that is derived by summing the following hexadecimal values:
| Characteristic | Value (Hex) | Function |
|---|---|---|
| LOCALECHO | 1 | Enable local echo terminal logic; use with the TTY_DEFCHAR NOECHO characteristic. |
| AUTOBAUD | 2 | Enable autobaud detection |
| HANGUP | 4 | Hang up on logout |
| MODHANGUP | 8 | Allow modification of HANGUP without privileges |
| BRDCSTMBX | 10 | Allow sending of broadcasts to mailboxes. |
| XON | 20 | (No effect in this parameter.) |
| DMA | 40 | (No effect in this parameter.) |
| ALTYPEAHD | 80 | Use the alternate type-ahead parameters. |
| SETSPEED | 100 | Clear to allow setting of speed without privileges. |
| DCL_MAILBX | 200 | Function reserved for VSI use only |
| DECCRT4 | 400 | Terminal is DIGITAL CRT Level 4 |
| COMMSYNC | 800 | Enable flow control using modem signals |
| EDITING | 1000 | Line editing allowed |
| INSERT | 2000 | Sets default mode for insert |
| FALLBACK | 4000 | Do not set this bit with SYSGEN |
| DIALUP | 8000 | Terminal is a dialup line |
| SECURE | 10000 | Guarantees that no process is connected to terminal after Break key is pressed |
| DISCONNECT | 20000 | Allows terminal disconnect when a hangup occurs |
| PASTHRU | 40000 | Terminal is in PASTHRU mode |
| SYSPWD | 80000 | Log in with system password only |
| SIXEL | 100000 | Sixel graphics |
| DRCS | 200000 | Terminal supports loadable character fonts |
| PRINTER | 400000 | Terminal has printer port |
| APP_KEYPAD | 800000 | Notifies application programs of state to set keypad on exit |
| ANSICRT | 1000000 | Terminal conforms to ANSI CRT programming standards |
| REGIS | 2000000 | Terminal has REGIS CRT capabilities |
| BLOCK | 4000000 | Block mode terminal |
| AVO | 8000000 | Terminal has advanced video |
| EDIT | 10000000 | Terminal has local edit capabilities |
| DECCRT | 20000000 | Terminal is a DIGITAL CRT |
| DECCRT2 | 40000000 | Terminal is a DIGITAL CRT Level 2 |
| DECCRT3 | 80000000 | Terminal is a DIGITAL CRT Level 3 |
The defaults are AUTOBAUD and EDITING.
