A.5 Terminal Driver
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This section lists the function codes and function modifiers for the terminal driver.
| Functions | Arguments | Modifiers |
|---|---|---|
IO$_READVBLK IO$_READLBLK IO$_READPROMPT | P1 — buffer address P2 — buffer size P3 — timeout P4 — read terminator block address P5 — prompt string buffer address P6 — prompt string buffer size[25] | IO$M_NOECHO IO$M_CVTLOW IO$M_NOFILTR IO$M_TIMED IO$M_PURGE IO$M_DSABLMBX IO$M_TRMNOECHO IO$M_ESCAPE |
IO$_READVBLK | P1 — buffer address P2 — buffer size P3 — access mode to probe itemlist P4 — (zero) P5 — itemlist buffer address P6 — itemlist buffer size | IO$M_EXTEND[26] |
IO$_WRITEVBLK IO$_WRITELBLK IO$_WRITEPBLK | P1 — buffer address P2 — buffer size P3 — (ignored) P4 — carriage control specifier[27] | IO$M_CANCTRLO IO$M_ENABLMBX IO$M_NOFORMAT IO$M_REFRESH IO$M_BREAKTHRU |
IO$_SETMODE IO$_SETCHAR | P1 — characteristics buffer address P2 — characteristics buffer size P3 — speed specifier P4 — fill specifier P5 — parity flags | |
IO$_SETMODE IO$_SETCHAR | None | IO$M_HANGUP |
IO$_SETMODE | P1 — buffer address P2 — buffer size | IO$M_BRDCST |
IO$_SETMODE IO$_SETCHAR | P1 — AST service routine address P2 — AST parameter P3 — access mode to deliver AST | IO$M_CTRLCAST IO$M_CTRLYAST |
IO$_SETMODE IO$_SETCHAR | P1 — AST service routine address P2 — character mask address P3 — access mode to deliver AST | IO$M_OUTBAND IO$M_TT_ABORT[28] IO$M_INCLUDE |
IO$_SETMODE IO$_SETCHAR | P1 — address of control signals | IO$M_SET_MODEM[29] IO$M_MAINT |
IO$_SETMODE IO$_SETCHAR | None | IO$M_LOOP[29] IO$M_UNLOOP[29] IO$M_MAINT |
IO$_TTY_PORT | IO$M_LT_CONNECT IO$M_LT_DISCON | |
IO$_TTY_PORT | P1 — itemlist address[30] P2 — queued status | IO$M_LT_MAP_PORT |
IO$_TTY_PORT | P1 — service name descriptor address P2 — service rating | IO$M_LT_RATING |
IO$_TTY_PORT | P1 — itemlist address P2 — itemlist length P3 — entity type P4 — entity string descriptor | IO$M_LT_SENSEMODE |
IO$_TTY_PORT | P1 — itemlist address P2 — itemlist length P3 — entity type P4 — entity string descriptor | IO$M_LT_SETMODE |
IO$_SENSEMODE IO$_SENSECHAR | P1 — characteristics buffer address P2 — characteristics buffer size | IO$M_TYPEAHDCNT |
IO$_SENSEMODE IO$_SENSECHAR | P1 — address of input modem signal block | IO$M_RD_MODEM |
IO$_SENSEMODE | P1 — buffer address P2 — buffer size | IO$M_BRDCST |
[25] Only for IO$_READPROMPT [26] Only for itemlist read function. Do not specify with other modifiers. [27] Only for IO$_WRITEBLK and IO$_WRITEVBLK [28] Only with IO$M_OUTBAND [29] Only with IO$M_MAINT [30] Itemlist: IO$V_LT_MAP_NODENAM, IO$V_LT_MAP_PORNAM, IO$V_LT_MAP_SRVNAM, IO$V_LT_MAP_LNKNAM, and IO$V_LT_MAP_NETADR. | ||