使用modelsim对基于niosII处理器的FPGA开发系统进行软硬件联合仿真的方法。个人经验总结，在Altera QII 15.1环境下描述。希望能帮到正在做类似开发的工程师。-FPGA development system for use modelsim niosII processor-based hardware and software co-simulation approach. Personal Experience, at Altera QII 15.1 descr iption environment. We hope to help development engineers are doing similar.