[TUHS] Determining what was on a tape back in the day
don at DonHopkins.com
Sun Nov 19 06:03:31 AEST 2017
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?
DECSYSTEM 20 BASIC User's Guide: LISTREVERSE command
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.
EQUIV 10:53 13-NOV-75
35 PRINT "THE EQUIVALENT CURRENT IS",I, " AMPERES"
10 INPUT R
5 INPUT E1
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