Add reverse direction option
Add length finding methods
Implement subtraction function and change other code to use it
Only detect motion within a certain Manhattan distance
Fix fallthrough in command evaluation switch
Generate graphical representation to assist player
Add ascii graphics template
Follow underscore convention for length functions
Add mips folder and math.asm stubs
Add mult stub
Properly jump to return address at end of stub
Add SUBWARS text to ascii template
Change bounds warning to reflect bidirectional movement
Implement vector addition in MIPS
Implement vector subtraction, multiplication, and equality in MIPS
Update raytrace collision to use square_length method
Implement dot product in MIPS
Implement raytrace collision in MIPS
Implement squared length calculation in MIPS
Implement manhattan distance calculation in MIPS