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layout: page
title: PDP-11 CPU Diagnostics
permalink: /apps/pdp11/diags/cpu/
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PDP-11 CPU Diagnostics
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DEC published a variety of PDP-11 CPU diagnostics:

* [XCPA](XCPA.mac) (from [RETROCMP](http://www.retrocmp.com/images/stories/joerg/pdp11_diagnostic_database/resourcefiles/set0/AC-E664G-MC_CXCPAG_Processor_Test_Sep78.mac), extracted from [PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/x11_listings/AC-E664G-MC_CXCPAG0-Processor-test_Sep78.pdf))