protected static RegisterValue getInCtx(InstructionContext insCtx) {
		ProcessorContextView procCtx = insCtx.getProcessorContext();
		Register contextreg = procCtx.getBaseContextRegister();
		if (contextreg == Register.NO_CONTEXT) {
			return null;
		}
		return procCtx.getRegisterValue(contextreg);
	}
Derive the decode context value from the given instruction context

@param insCtx the context
@return the input decode context from the instruction whose context was given
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/jit/JitPassage.java