public int getValue(int startbit, int size, boolean context) {
		PatternBlock block = getBlock(context);
		if (block != null) {
			return block.getValue(startbit, size);
		}
		return 0;
	}
A pattern with no ORs in it
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/pattern/DisjointPattern.java