Plasma
========
by SvOlli of XAYAX
entry for Gravedigger Compo on Nordlicht 2016
A 4K ROM implementing generator for various 1D plasma effects, aka known as
rasterbars, featuring 256 varians and an easter egg.
Usage:
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Left difficulty switch: 50/60 Hz
Right difficulty switch: PAL/NTSC color palette
Color/BW switch: enable/disable sound
Select button or left joystick up/down: select high nibble (effect type)
Start button or left joystick left/right: select high nibble (seed type)
Left joystick fire button: automated effect and seed type switch
Right joystick fire button: easter egg (showing only on effect type 0)