TCL命令：将bit复制到工程的根目录
write_cfgmem -format MCS -size 256 -interface spix4 loadbit "up 0 FPGA_TOP.bit" FPGA_TOP.mcs
完整格式（带路径，不需要复制bit到根目录）
write_cfgmem format MCS -size 256 -interface spix4 loadbit "up 0x0 F:/FPGA_project/FPGA_TOP/FPGA.runs/impl_2/fpga>bit" -file F:/FPGA_project/FPGA.mcs