phong4m.a	Contains the version of phong4 that writes directly
		to external memory.

phong4d.a	Contains the version of phong4 that uses single buffered
		dma to write to external memory.

phong4db.a	Contains the version of phong4 that uses double buffered
		dma to write to external memory.

To run any version, copy that version to phong4.a and load using
phong4.d.
