Parent Topic: PSEUDOCOLOUR COMMANDS
PR [n1,n2,n3]
n1: number of units to roll per repeat <1>
n1 > 0: right roll
n1 < 0: left roll
n2: number of repeats <1>
n3: tenths of seconds between repeats <0>
The pseudocolour roll can be terminated before completion by typing
any keyboard character during the roll.