汇编写的256点FFT，余弦表是512点的，因此修改N值可以作2-1024点的FFT，在CCS上运行，带有CMD文件-Written in assembler 256 points FFT, cosine table is 512 points, so you can modify the value of N for 2-1024 Point FFT, run in the CCS, with a CMD file