private void addInstructionBytes(Address start, byte... instrBytes)
			throws MemoryAccessException {
		Program program = getProgram();
		int txId = program.startTransaction("Add Instruction Bytes");
		try {
			for (int i = 0; i < instrBytes.length; i++) {
				program.getMemory().setByte(start.add(i), instrBytes[i]);
			}
			definedInstrAddresses.add(start);
		}
		finally {
			program.endTransaction(txId, true);
		}
	}
Get address in default ram space
@param offset address offset
@return the address
Ghidra/Features/Base/src/main/java/ghidra/test/ToyProgramBuilder.java