I recreated “Nice Dreams Everyone” using only one virtual synth: UVI PX WaveFrame. How would I have made this track with digital technology of the early 80s?

My original track: https://soundcloud.com/bigdenboo/nice-dreams-everyone
More info about my "One Synth Challenge" on my website: www.bigdenboo.com/the_journey/one_synth/

Nice Dreams Everyone (One Synth Challenge: UVI PX WaveFrame)

Welcome to my musical universe, a unique blend of diverse cultures and influences. My "musical adventures" draw their musical inspiration mainly from the world of video games, film scores, progressive rock, electronic music, or more broadly, from popular culture. 

A few quotes:
-----
"There’s an almost hypnotic quality to BigDenBoo’s music—once you press play, you find yourself entranced, moving seamlessly from track to track without realizing how much time has passed."
-----
"BigBenBoo's “Lostblood” album stands as a striking embodiment of artistic vision, emotional storytelling, and sonic craftsmanship, a project that does not merely entertain, but invites listeners into its world with open arms and unfiltered truth. "
-----
"Over time, this experimentation evolved into the ambitious Musical Adventures series, with "Lostblood" solidifying the concept. It is not only a sequel to "The Journey" but a bold expansion of BigDenBoo’s sonic universe, demonstrating his passion for sound in all its forms—from composition to mixing."
-----
"The Journey is a fully realized, immersive experience that showcases his mastery of sound design and storytelling. For listeners seeking music that engages the imagination, this album is an absolute must."

You'll find (a lot) more info on my website: 
https://www.bigdenboo.com