debugger: Fix handling of empty commands.
An empty command should not be reported as an unknown command. An empty command should not repeat an unknown command.
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@ -756,8 +756,10 @@ void enter_debugger() {
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via_obj->assert_int(irq_bit);
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#endif
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} else {
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cout << "Unknown command: " << cmd << endl;
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continue;
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if (!cmd.empty()) {
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cout << "Unknown command: " << cmd << endl;
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cmd = "";
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}
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}
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last_cmd = cmd;
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}
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