def _binary(compute):
# compute Example: 'M=M+D', 'M=M-D', 'M=M&D', 'M=M|D'
asm.dec_sp()
asm.st_2_dreg()
asm.dec_sp()
asm.st_2_areg()
asm.append_lines(compute)
asm.inc_sp()
def _comp(jump):
# jmp Example: 'JEQ', 'JGT', 'JLT'
asm.dec_sp()
asm.st_2_dreg()
asm.dec_sp()
asm.st_2_areg()
asm.append_lines('D=M-D')
asm.set_areg(str(len(asm.asmLines) + 7)) # 1Line # 7 = 1 + 3 + 1 + 1 + 1
asm.append_lines('D;' + jump) # 1Line
asm.set_bool('FALSE') # 3Lines
asm.set_areg(str(len(asm.asmLines) + 5)) # 1Line # 5 = 1 + 3 + 1
asm.append_lines('0;JMP') # 1Line
asm.set_bool('TRUE') # 3Lines
asm.inc_sp()
def _unary(compute):
# compute Example: 'M=-D', 'M=!D''
asm.dec_sp()
asm.st_2_dreg()
asm.append_lines(compute)
asm.inc_sp()