@Override
		protected VtState handleNext(byte b, VtParser parser, VtHandler handler) {
			if (b == 0x1b) {
				return ESC;
			}
			handler.handleCharExc(b);
			return CHAR;
		}
The initial state, just process output characters until we encounter an {@code ESC}.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/terminal/vt/VtState.java