private static string MemoryAccess(string control, string result) //add pc so i can jump and link
{
Datamem.writeEHB = control.Substring(14, 5).Replace("_", ""); //Write enable, half and byte
Datamem.DataIn(result, Register.data2); //perform operation
string data = Extender.Extend(Datamem.DataOut(result).Substring(16, 16), control.Substring(20, 3));
m4to1 = new Mux(new String[] { Datamem.DataOut(result), data, result })
{
select = control.Substring(26, 2)
};
return(m4to1.Selected());
}
static void MIPS()
{
Register.FillRegesters(); //Fill Registers with Random data
Datamem.FillDatamem(); //Fill Data memory with Random data
int pc = 0;
//Instruction Decode and Register Fetch
InstructionDecodeAndRegisterFetch(pc, out string instruction, out string control, out string selected);
//Execute Address Calc.
string result = AddressCalc(instruction, control);
//Memory Access
string data = MemoryAccess(control, result);
//Write Back: Write to memory and Registers
Register.WriteRegister(selected, control.Substring(3, 1), data);
}