Add cscope directory
Implement SCU DMA

Direct mode implemented, but Indirect mode broken is broken. Polling
for level operation status is unimplemented as well as polling for
standby status
Add support SCU DMA (not tested)
Add test #1 (SCU DMA levels)
Major structural changes

Support for VDP2 BLCS was added as well as incomplete C++ support. The
current memory manager was replaced with TLSF
Fix copyright
Fix crash in SCU DMA example
Fix write to SCU DMA register

The read address bit was not set
Fix SCU DMA level 0

Transfer is OK but need to check integrity of data
Add sanity checks for direct and indirect modes
Change prototypes
Check if SCU DMA is accessing WORKRAM-L
Add SMPC commands
Add VT100 support
Rename certain types
Add monitor support!

Color escape sequences not yet done and there is minor garbage on the
screen. This also might explain why it doesn't work on real hardware,
I will fix that soon
Fix compilation error
Fix issues running on real hardware
Add support for escape sequences

Not entirely tested
Clean up TLSF