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TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

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UTRP. [CALLI 174]<br />

The trap numbers are:<br />

Code<br />

o<br />

Symbol<br />

.UTLUU<br />

Meaning<br />

Stores the address of the 4-word LUUO<br />

in the UPT.<br />

trap block<br />

1<br />

.UTAOF<br />

Arithmetic overflow trap instruction (location 421<br />

in the UPMP) .<br />

2<br />

.UTPOV<br />

Pushdown list overflow trap instruction<br />

422 in the UPMP) .<br />

(location<br />

SKIP RETURN<br />

The specified traps are cleared or set.<br />

ERROR RETURN<br />

One of the following error codes is returned in the ac:<br />

Code Symbol Error<br />

1 UTIAD% Illegal address.<br />

2 UTUKF% Unknown function.<br />

3 UTITN% Illegal trap number.<br />

4 UTIUT% Illegal user trap instruction.<br />

RELATED CALLS<br />

o<br />

o<br />

o<br />

ABRENB<br />

.JBINT trapping<br />

PSI system<br />

22-469

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