module DDA_xy(rst,clk,start,pls_A,pls_B,busy);2轴数字积分法插补算法，输出A、B两轴脉冲，采用verilog hdl语言编写，是用 verilog 来实现数控中的数字积分法插补-verilog to the NC is the number of points in the interpolation method
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