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Write_Msg
First the base address of the output area is copied to ER5. Then the
Clear_Old routine writes nulls to 32 bytes of the output area (this
serves both to initialize the area and to clear old messages written
during previous program passes).
Finally, the proper message is written to the output area by the
Write_Loop routine. When done, Write_Loop jumps back to Clear and
the command monitoring process begins again.
Using the various features of the emulator, we will show you how to
load this program into emulation memory, execute it, monitor the
program's operation with the analyzer, and simulate entry of different
commands utilizing the memory access commands provided by the HP
64700 command set.
2-4 Getting Started
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