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 |
