From mboxrd@z Thu Jan 1 00:00:00 1970 From: don@DonHopkins.com (Don Hopkins) Date: Sat, 18 Nov 2017 21:03:31 +0100 Subject: [TUHS] Determining what was on a tape back in the day In-Reply-To: References: Message-ID: Speaking of old BASIC interpreters, does anyone know out why DECSYSTEM 20’s BASIC had a “LISTREVERSE” command? Yes, it actually did exactly what it sounds like! Chalk one up for DEC and BASIC. What other programming languages support that feature, huh? https://imgur.com/a/Bt40M DECSYSTEM 20 BASIC User's Guide: LISTREVERSE command LISTREVERSE LISTNHREVERSE LISTREVERSE and LISTNHREVERSE print the contents of the user's memory area in order of descending line numbers. LISTREVERSE precedes the output with a heading, LISTNHREVERSE eliminates the heading. LISTREVERSE EQUIV 10:53 13-NOV-75 40 END 35 PRINT "THE EQUIVALENT CURRENT IS",I, " AMPERES" 25 I=E1/R 10 INPUT R 5 INPUT E1 READY -------------- next part -------------- An HTML attachment was scrubbed... URL: