fixed a few little sound bugs
Merged in dev (pull request #55)

fixed a few little sound bugs
Lab8 files
Attempt at a word-by-word DMA
Prints now, but DMA is not working
Merged into the other state machine...
Fixed one error
Added sim files
updated waves and sim files
user_logic.vhd cleaned and implemented with parallel fsm.
dma_controller.vhd with only 5 software accessible registers.
dma_controller.c adjusted registers.
helloworld.c with better printouts.
Fixed cast
Milestone 2 working
Fixed off-by-1 error and the length = 0 corner case
Milestone 2 Working.
Added the transfer_finished interrupt output port
Merged in dev (pull request #57)

Added the transfer_finished interrupt output port
New hardware base