public boolean isBlockStart(Instruction instruction) {

		// If there is not a fall-from instruction, return true
		Address a = instruction.getFallFrom();
		return isBlockStart(instruction, a);
	}
Check if the instruction starts a Simple block.

@param instruction instruction to test if it starts a block

@return true if this instruction is the start of a simple block.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/block/SimpleBlockModel.java