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Hitachi H8/300 boards  

You can use the GDB remote serial protocol to communicate with a Hitachi H8/300 board. See The GDB remote serial protocol in Debugging with GDB in GNUPro Debugging Tools for more details. Use the following command if you need to explicitly set the serial device. The default, port, is the first available port on your host. This is only necessary on Unix hosts, where it is typically something like /dev/ttya.

The following sample session illustrates the steps needed to start a program under GDB control on an H8/300, using a DOS host. The example uses a sample H8 program called ‘t.x’. The procedure is the same for other Hitachi chips in the series. First, hook up your development board. In the example that follows, we use a board attached to serial port COM1.


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