bscil2 D P initial testing

not going to work on these right now
bscil2 D P A M

Finished rest of the simple byte ops! Testing done!
bscil E N B

finished the last ops I need, including testing! i've been updating
bscil2.bscil2 to match the binary code in bscil2.bscil1 so hopefully
it's mostly done :)