It would be great if the inputs defined in DD02/DD03 were able to be controlled by setting the values of DD00/DD01 from the monitor. This way a user could for example set bit 4 of DD01 to indicate the state of DCD. In this way I could simulate true RS232 communications including hardware handshaking from the monitor to help debug serial applications. A user interface with checkboxes for each line would rule the world.
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