def _pop_2_mem(sgm, index):
dec_sp() # Mem[SP] = Mem[SP] - 1
asm.set_areg_from_sgm() # A=M
asm.set_dreg_from_sgm() # D=M
asm.set_areg('%s' % asm.sgm_2_reg(sgm)) # @reg
asm.inc_areg(index) # Loop: A=A+1
asm.set_sgm_from_dreg() # M=D
def _push(sgm, index):
asm.set_areg_from_reg('%s' % asm.sgm_2_reg(sgm)) # @REGISTER, A=M
asm.inc_areg(index) # Loop: A=A+1
asm.set_dreg_from_sgm() # D=M
asm.set_areg_from_reg('SP') # @SP, A=M
asm.set_sgm_from_dreg() # M=D
inc_sp() # Mem[SP] = Mem[SP] + 1