http://www.bitsavers.org/pdf/ibm/370/OS_VS2/Release_3.0_1975/
Joe On Fri, Dec 2, 2022 at 5:42 AM David Spiegel < [email protected]> wrote: > Hi Leonard, > You said: "... That computer center had MVS 3.0 running in the mid > 1970s. ..." > Is "MVS 3.0" a typo? (I do not recall ever hearing of MVS 3.0.) > > Thanks and regards, > David > > On 2022-12-02 02:15, Leonard D Woren wrote: > > Bill Hitefield wrote on 11/30/2022 10:39 AM: > >> In college we had an IBM 1130 in the computer lab. Those of us > >> working in the lab discovered an AM radio placed near the console > >> switches made odd noises when you ran Fortran programs and set the > >> radio to a specific "station". Further investigation revealed you > >> could change the tone of the noise by using the "e to the x" function > >> and varying the value of "x". Our goal in life then became to play > >> "Smoke on the Water" using that radio. The temp wasn't too great, but > >> you could recognize the main riff! > >> > >> Bill Hitefield > >> Dino-Software Corporation > >> 800.480.DINO > >> > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dino-software.com%2F&data=05%7C01%7C%7C3be70de2f0a4461a031508dad43519eb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638055621915923673%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=HYCO5ydHeECYap0cCUN2KL8RMGsSYHnM38onglYyJc8%3D&reserved=0 > >> > >> > > > > I don't remember it very well, but I think the same could be done to > > some extent on some 360 models. > > > > In the mid-1970s, a college friend had a job as an off-hours computer > > operator at RAND (amusingly, where that 1970 film was made). He > > wrote, and a musical friend tuned, a program which played music on a > > 2400 series tape drive by writing various length blocks -- the shorter > > the repeated block, the higher the note. I think one of their 2 songs > > was Puff the Magic Dragon. It was just hilarious to hear recognizable > > music from a tape drive. The program wore out tapes pretty quickly > > though because all those short blocks were tough on the tape. One > > long channel program IIRC to keep the music from pausing when a > > different job was dispatched. > > > > Footnote: That computer center had MVS 3.0 running in the mid 1970s. > > It was the first time that I saw MVS with lots of new stuff compared > > to MVT 21. But no TSO -- they ran Wylbur. > > > > > > /Leonard > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
