LSD1000 (Laser Show Designer) Ran on a Amiga using the sound circuits and two level power LED in the Amiga. LED On Bright = Shutter. Circa 1992 Pangolin (I owned it on a Amiga 500) Pangolin Product. Obviously having LSD in the product name implied bad connotations, so there was the later name change on Pagolin products.
LD400 Pangolin, Amiga, Added in card called QuadMod 16, replaced the Paula sound chip on the amiga, allowed color control and X-Y
Yep, X=Y+ 2 channels for color/intensity = "QUADMOD"
Pangolin, Laser Show Designer, and Showtime! ran on PC, used ISA Bus QM32 card.
X29 precursor to Full Auto, by New Method Lasers.
ISA card, TTL color. 12 Bit X-Y
Laser Media Zap. Zap ran on a Z80 on a S100 Bus, controlled by a dumb terminal.
http://leftbrain.us/rotherHistory/lasermedia.html
Choreographics fits in here some where, ran on a MAC.
Lets not forget "Merlin", "Lasergraph DSP", the Tarm "LACON" series.
etc.
Steve