On my old Dragon 32 sometime in the 80's, you achieved fast movements of on-screen thingumies using the "blitter" that mapped a screen buffer area to another nearby area, in hardware, then the software filled in the "uncovered" area. Sounds pretty similar.
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Remember the "blitter"?
On my old Dragon 32 sometime in the 80's, you achieved fast movements of on-screen thingumies using the "blitter" that mapped a screen buffer area to another nearby area, in hardware, then the software filled in the "uncovered" area. Sounds pretty similar.