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8.4.2 Debugging Through Simulation
Before the debugging, SysCall.DLL (for simulation) must be copied to the directory of
Windows System. Since the same name, SysCall.DLL, is used for actual debugging and for
simulation, please pay your attention not to make copy for wrong one. When you execute the sample
program, window will appear on screen of IT-2000. It is monitoring window for the simulation.
Fig. 8.4
Under this condition the program simply waits for key input. The backlight is off. To confirm this
condition use the monitor function of the simulator. In this condition press the "1" key. The sample
program shown above is designed so that the backlight is turned on if it receives "1". The result is
shown below. Now, the monitoring window indicates that the backlight is ON.