private byte[] populateByteArray() {
		byte[] localBytes = bytes;
		if (localBytes != null) {
			return localBytes;
		}
		int cacheLength = getPreferredCacheLength();
		localBytes = new byte[cacheLength];
		if (cacheLength != 0) {
			int nbytes = 0;
			try {
				nbytes = program.getMemory().getBytes(address, localBytes);
			}
			catch (MemoryAccessException e) {
				// ignore
			}
			if (nbytes != localBytes.length) {
				localBytes = new byte[0];
			}
		}
		bytes = localBytes;
		return localBytes;
	}
Returns a string that represents this code unit with default markup.
Only the mnemonic and operands are included.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeUnitDB.java