Just to let you know what has been used in "early dancehall" (also called DIGITAL) productions...
First digital riddim that fire up the dance was the "Sleng Teng" during the mid '80s, produced by Prince Jammy's (basically a King Tubby's student) with a Casio CZ101. With this riddim Jammy's won a legendary clash vs Scientist (an other Tubby's student), since he's called King Jammy's.
At the same times producers like Kenneth Black used to use the Yamaha CS-01 for tracks like "Sweet for my sweet" from SupaCat (riddim's "Sweet Dub" by the Skengdon AllStars).
Producer W."Whitty" Henry used the TB303 & Sh101 for basslines. You can hear them synth on "No Boogarism" "Punany Full we Head" from ShabbaRanks, on "Make dem Come" from the late NittyGritty.
It was U.K producers like MadPro that introducing the Novation BassStation immediately followed by numerous U.K producers in the '90, in particular at Hi-Fashion Records & A-Class Studio witch both made golden years of artists like DaddyFreddy & AsherD, TenorFly and TopCat among others! Listen to some SAXON SOUND INTERNATIONAL

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During the same mid '90s, the BassStation sound landed to JA, over trax like "Murderer" from BujuB on "Far east" riddim by DonovanGermain on PenthouseRecords; "Cellular Phone" from BountyK on "Pilli Pilli" riddim by Jammy's (formally a Tubby's Riddim).
You can hear synth basslines on nearly all the mid '90s JA productions, take a look at riddims like "Head to Toes" (ginal cut), "Dr Paul" riddim, even the "Stallag 17" by MassivB in N.Y.
Also, the KorgM1 was a "big" used tool in JA, listen to the "Telephone Love" riddim and so...
Chill!