Skip to content

14B ClearOutBuffer

Stub   MON 14B (12 decimal) · Mnemonic COBUF · Group: Input and Output Monitor Calls (manual section 2.5)

Available from: All programs (manual compatibility box)

Emulation source: src/handlers/mon_14B_ClearOutBuffer.c

Description

Clears a device output buffer. Output to character devices, e.g. terminals, are temporarily stored in this buffer.

Notes

  • You can use logical device number 1 for your own terminal in background programs.

Parameters

Name Type Direction Description
DeviceNumber INTEGER In Logical device number. See appendix B. Use 1 for your own terminal.

Direction: In = the program supplies the value, Out = the call returns it, In/Out = both.

See also

@CLEAR-DEVICE, ClearInBuffer, DeviceControl

Compatibility

Machines Users Programs
ND-100 and ND-500 All users All programs

The manual's compatibility box for this call, word for word.

Yes/no fields from the YAML extraction (not in the manual's words):

ND-100 ND-500 User programs RT programs System programs
Yes Yes Yes Yes No

Examples

From the manual (OCR text, not corrected).

INTEGER : DeviceNumber
...
ON ROUTINEERROR DO
    IF ErrCode <> 0 THEN ...
ENDON
Monitor_Call('ClearOutBuffer', DeviceNumber)
INTEGER DeviceNumber
...
Monitor Call ('ClearOutBuffer', DeviceNumber)
IF (ErrCode .NE. 0) THEN ...
DeviceNumber : INTEGER2;
...
ClearOutBuffer (DeviceNumber);
IF ErrCode <> 0 THEN ...
01 DeviceNumber COMP.
01 ErrCode COMP.
...
MONITOR-CALL "ClearOutBuffer" USING DeviceNumber.
CALL "CbError" USING ErrCode.
IF ErrCode NOT = 0 GO ...
DeviceNumber : W BLOCK 1
ErrCode : W BLOCK 1
ClearOutBuffer : EQU 37B9 + 14B
...
CALLG ClearOutBuffer, 1, DeviceNumber
    IF K GO ERROR
...
ERROR : W1 := ErrCode              %ErrorCode in W1 register.
LDT DEVNO      %Load register T with logical device number.
MON 14         %Monitor call ClearOutBuffer.
JMP ERROR      %Error return from monitor call.
...            %Normal return.
ERROR, ...     %Error number in register A.
...
DEVNO, ...

ndmonlib implementation

Stub Registered MON_STATUS_NOT_IMPLEMENTED: the handler is a stub. mon_dispatch() in src/core/mon_dispatch.c reports the call as unimplemented without calling it.

Handler mon_14B_ClearOutBuffer
Code lines 6 (non-blank, non-comment lines in the file)

Source

SINTRAN III Monitor Calls (ND-860228.2 EN).