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PDP-10 Archives
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BB-L014E-BM
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autopatch/fortrp.c05
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REP 2/1 ;05C1
TV FORTRP ARITHMETIC TRAP HANDLER,6(2033)
WIT
TV FORTRP ARITHMETIC TRAP HANDLER,6(2117)
INS 73/1 ;05C2
2117 MRB 21-Oct-82
If processor is a KS10 don't use UTRP. trapping instead use
APRENB trapping, otherwise KS10 microcode bug occurs.
INS 7/8 ;05C3
;[2117] This patch is to alleviate a problem caused by a
;[2117] microcode bug in the KS processor running under
;[2117] TOPS-10. It should be removed when the problem
;[2117] has been corrected. The patch will check to see
;[2117] if the processor type is a KS10, then use the
;[2117] APRENB trapping to avoid the problem with UTRP.
MOVE T1,[%CCTYP] ;[2117]get processor type from
GETTAB T1, ;[2117] the CPU data constants
$SNH ;[2117]impossible error???
HRRZS T1 ;[2117]ignore LH
CAIN T1,.CCKSX ;[2117]if the processor is a KS
JRST NUTRP ;[2117] then use APRENB trapping.
SUM 149431