( (def fb (mmap "/framebuffer")) (def goa-main (fn (do (let c 0) (let tick 0) (while 1 (do (let c (+ 1 c)) (let b 1080) (while b (do (let b (- b 1)) (let a 1920) (while a (do (let a (- a 1)) (put32 fb (+ a (+ a (* b 3840))) (* 0x1000 (* a (+ c b)))) )))) (let tick (+ tick 1)) (gc) ))) )) (goa-main) )