146B PrivInstruction¶

Stub MON 146B (102 decimal) · Mnemonic IPRIV · Group: RT Program Execution (manual section 2.10)

Available from: not known - no compatibility box captured from the manual

Emulation source: src/handlers/mon_146B_PrivInstruction.c

Description¶

Executes a privileged machine instruction on the ND-100. Privileged instructions may, for example, turn the paging and interrupt mechanisms on and off.

The instruction uses the register contents of the calling program. The registers may be changed.

Parameters¶

Name	Type	Direction	Description
`Instruction`	INTEGER	In	Privileged machine instruction to execute on the ND-100.

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

Compatibility¶

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

From the YAML extraction; this call's page in the manual had no compatibility box that was captured.

Examples¶

From the manual (OCR text, not corrected).

PLANCFORTRANPascalCOBOLASSEMBLY-500MAC

INTEGER : Instruction
...
Monitor_Call('PrivInstruction', Instruction)

INTEGER Instruction
...
Monitor_Call('PrivInstruction', Instruction)

Instruction : INTEGER2;
...
PrivInstruction(Instruction);

01 Instruction COMP.
...
MONITOR-CALL "PrivInstruction" USING Instruction.

TReg : W BLOCK 1
AReg : W BLOCK 1
DReg : W BLOCK 1
XReg : W BLOCK 1
ErrCode : W BLOCK 1
PrivInstruction : EQU 37B9 + 146B
...
CALLG PrivInstruction, 4, TReg, AReg, DReg, XReg
IF K GO Error
...
Error, W1 =: ErrCode

| LDT  | INSTR  | %Instruction to be executed.                   |
|------|--------|------------------------------------------------|
| MON  | 146    | %Monitor call PrivInstruction.                 |
| ...  |        |                                                |
| INSTR, | 150404 | %Turn off memory management system. Dangerous! |


ND-100 and ND-500   User RT and user SYSTEM   RT programs

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_146B_PrivInstruction`
Code lines	6 (non-blank, non-comment lines in the file)

Source¶

SINTRAN III Monitor Calls (ND-860228.2 EN), page 391.