User guide

4.4. CLI.B AND CLI INIT.B 129

cli

faillevel CIN:y, POS:y, NAT:y

cli

data CIN:y, POS:y, NAT:y

This holds CLI data dependant on the context in which the CLI is running.

cli

commanddir CIN:y, POS:y, NAT: y

cli

prompt CIN:y, POS:y, NAT:y

This variable holds the current promp t which should be a writef format string

since it used in the CLI as foll ows:

writef(cli_prompt,

cpumsecs, // msecs used by last command

taskid, // The task number, if running under Cintpos

hours, mins, secs, msecs) // The time of day

where hours, mins and secs correspond to the current time of day. On single threaded

BCPL systems taskid is set to 1.

cli

currentinput, cli currentoutput, cli standardinput, cli standardoutput

CIN:y, POS:y, NAT:y

The standard input and output streams are those that were setup when the CLI

was started. Sometimes a CLI will change its currently selected streams. For instance,

while executing a command-command the currentl y selected input will be from a tem-

porary ﬁle of commands. On reaching the end of ﬁle input will revert to the standard

input.

cli

commandﬁle CIN:y, POS:y, NAT:y

This is either zero or holds the name of temporary command ﬁle used in

command-commands.

cli

status CIN:y, POS:y, NAT:y

This holds a collection of bits specifying the context in which the CLI is running.

The mnemonics for these bits and their meanings are as follows.