As an example, some debuggers log a trace of the program and allow you to scroll the log back from the point of failure in order to track down when, where and how variables acquired unexpected values.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Assembler List <ASSEMBLER-LIST@listserv.uga.edu> on behalf of Robin Vowels <robi...@dodo.com.au> Sent: Friday, February 2, 2018 8:07 PM To: ASSEMBLER-LIST@listserv.uga.edu Subject: Re: Fair comparison C vs HLASM From: "Seymour J Metz" <sme...@gmu.edu> Sent: Saturday, February 03, 2018 4:08 AM That deepends on what you mean by debugging facilities. PL/I has features bthat help in debugging, but a good debugger has a lot more. Such as? --- This email has been checked for viruses by Avast antivirus software. https://secure-web.cisco.com/1rv0_ViDBnAq9E8I77eef45o03MlwZh4vPHvDJmEisiHJgBhueEZPc-V95SjOy0Os2IRU8WOc6DF-3qReefpLJrMt3SzV3dQjExWbVFrng5hTtnutqAqPGp8b6mRCKbmdF_7K47JyEXz6v907KNPnnVDptwR3MW7vi-BwxHmwg79KlDsy2QWSa1oNk-ZEAddQQwtqzeprl4BT7KUMw7Q0I4b7EGxDWHJiSs_NXRCX-TK4KjGM9cnOebHNP4SPnFIbGM6DK9vcfqhlCtB0U4GtnvafGlfujxyRPCCjLpj_dtinMCnyad89nfLluF6YugTtOA4uy3QxYKHftD9GNiypxSI5i8IJGV5shcWD4lgl724TDMPeHjrgQ6Lahgex1O0PczIPUiyj3tDl_iYqRNheSb06saL2azbIYtZL_BsKnBlT8YyoHwA4ecH3FQxf4Z-i/https%3A%2F%2Fwww.avast.com%2Fantivirus
