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本文根据微型机应用对开发系统的要求,分析了几种典型的具有联机仿真结构的微型机开发系统,提出一种新型的通用联机仿真器:LJF-06的设计方案。采用本方案的系统具有资源借用、同步地记录仿真过程的动态信息、设置断点、取代目标系统的MPU和单步、多步、连续地执行用户程序等功能。LJF-06联机仿真器是具有硬件仿真能力的独立功能模板,可以直接插入采用EXORCISER总线的微型机运行,开发和全速仿真以MC6800微处理器为基础的目标系统。文中介绍了系统硬件和系统软件以及试验结果。
In this paper, according to the requirement of development system for microcomputers, this paper analyzes several typical microminiature development systems with on-line simulation structure, and proposes a new type of universal on-line simulator: LJF-06. The system with this scheme has the functions of borrowing resources, recording dynamic information of simulation process synchronously, setting breakpoints, replacing the MPU of the target system, and executing single-step, multi-step and continuous user programs. The LJF-06 In-Circuit Emulator is a stand-alone function template with hardware emulation capability that plugs directly into the microcomputer running the EXORCISER bus to develop and fully simulate a target system based on the MC6800 microprocessor. The article describes the system hardware and system software and test results.