	// R-type or I-type (stores rt)
	rs = state.registers[(insn >> 21) & 0x1F];
	uint32 rdReg = rtReg; 

	if (opcode == 0 || opcode == 0x1c) { 
	...
	} else if (opcode >= 0x28 || opcode == 0x22 || opcode == 0x26) {
		// store rt value with store
		rt = state.registers[rtReg];

		// store actual rt with lwl and lwr
=>              rdReg = rtReg; // REDUNDANT
	}
