private void updateInstructionText(Instruction instruction, SleighDebugLogger debug) {
		if (instruction == null) {
			instructionText.setText("-- No Instruction --");
			return;
		}
		String details = InstructionUtils.getFormattedInstructionDetails(instruction, debug);
		instructionText.setText(details);
		instructionText.setCaretPosition(0);
	}
Define the Main panel.

@return JPanel the completed <CODE>Main Panel</CODE>
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/processors/InstructionInfoProvider.java