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README tweak

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Jeff 2016-11-03 18:55:43 -07:00 • committed by Jeff Parsons
commit 93c6ce7236
1 changed files with 6 additions and 5 deletions
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11
devices/pdp11/machine/1170/panel/debugger/README.md
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@ -299,12 +299,13 @@ RAM.
As the **Maintenance Service Guide** goes on to say: As the **Maintenance Service Guide** goes on to say:
The program should halt when all of memory is cleared. If it doesn't halt, examine the CPU error, Memory system error The program should halt when all of memory is cleared. If it doesn't halt, examine the CPU error,
and HI/LO error address registers to determine the cause. Trap catchers can be used by depositing 200 in KIPAR 0 (17772340) Memory system error and HI/LO error address registers to determine the cause. Trap catchers can be
instead of zero, and setting up vector locations with their address + 2 and the Vector + 2 with a 0 (halt). used by depositing 200 in KIPAR 0 (17772340) instead of zero, and setting up vector locations with
their address + 2 and the Vector + 2 with a 0 (halt).
Note: When loading the program you must be in console physical [i.e., the ADDRESS select switch must be set to "CONS PHY", Note: When loading the program you must be in console physical [i.e., the ADDRESS select switch
which is the default setting of the PDPjs Front Panel]. must be set to "CONS PHY", which is the default setting of the PDPjs Front Panel].
Before running the above code, you should turn Bus messages off (ie, "m bus off"); otherwise, the quantity of messages will Before running the above code, you should turn Bus messages off (ie, "m bus off"); otherwise, the quantity of messages will
slow execution to a crawl. slow execution to a crawl.