.model small
            .286c
            .code
            org    100h

roundpal:   jmp    body

body        proc   near
            lea    si,palette
            mov    dx,3c8h
            xor    al,al
            out    dx,al
            inc    dx
            mov    cx,300h
rep         outsb
            int    20h
body        endp

palette:    end    roundpal