private string GetCommandArgument(ExtendedBitArray lowCommand, ExtendedBitArray highCommand)
{
var highBin = highCommand.ToBinString();
var highHex = highCommand.ToHexString();
var lowBin = lowCommand.ToBinString();
var lowHex = lowCommand.ToHexString();
// Безадресные
if (highHex == "00")
{
return(null);
}
// DJRNZ
if (highBin.StartsWith("0001"))
{
int register = (highCommand.NumValue() >> 2) & 0b11;
string segment = (highCommand.NumValue() & 0b11).ToString();
string address = lowCommand.ToHexString();
return(string.Format("R{0}, 0x{1}{2}", register.ToString(), segment, address));
}
// операторы перехода
if (highBin.StartsWith("001"))
{
string segment = (highCommand.NumValue() & 0b11).ToString();
string address = lowCommand.ToHexString();
return(string.Format("0x{0}{1}", segment, address));
}
// Операторы передачи управления
if (highBin.StartsWith("0100"))
{
string segment = (highCommand.NumValue() & 0b11).ToString();
string address = lowCommand.ToHexString();
return(string.Format("0x{0}{1}", segment, address));
}
// Регистровые команды
//Прямая - 000
//@R - 100
//@R+ - 001
//+@R - 101
//@R- - 011
//-@R - 111
// 041537
if (highBin.StartsWith("0101") || highBin.StartsWith("1111"))
{
//MOV R{0}, R{1}
if (highBin.StartsWith("01011111"))
{
int registerSource = lowCommand.NumValue() >> 4;
int registerDestination = lowCommand.NumValue() & 0x0F;
string registerFormat = "R{0}, R{1}";
return(string.Format(registerFormat, registerDestination, registerSource));
}
else
{
int addressType = lowCommand.NumValue() >> 4;
int register = lowCommand.NumValue() & 0x0F;
string registerFormat = "R{0}";
switch (addressType)
{
case 0:
registerFormat = "R{0}";
break;
case 1:
registerFormat = "@R{0}";
break;
case 4:
registerFormat = "@R{0}+";
break;
case 5:
registerFormat = "+@R{0}";
break;
case 6:
registerFormat = "@R{0}-";
break;
case 7:
registerFormat = "-@R{0}";
break;
}
return(string.Format(registerFormat, register));
}
}
// ОЗУ
if (highBin.StartsWith("011"))
{
//Dec: lowCommand.NumValue().ToString();
//Hex: lowHex.ToString();
string addressOrConst = lowHex.ToString();
bool isConst = highBin.StartsWith("0111");
return((isConst ? "#0x" : "") + addressOrConst);
}
// Битовые команды
if (highBin.StartsWith("100"))
{
string bit = (highCommand.NumValue() & 0b111).ToString();
string address = "0x" + lowCommand.ToHexString();//lowCommand.NumValue().ToString();
return($"{address}, {bit}");
}
if (highBin.StartsWith("101"))
{
string bit = (highCommand.NumValue() & 0b111).ToString();
ExtendedBitArray addr = new ExtendedBitArray(lowCommand);
//addr.And(new ExtendedBitArray("0111111")); //зачем этот AND ???
string address = "0x" + addr.ToHexString();//addr.NumValue().ToString();
return($"{address}, {bit}");
}
// Команды ввода-вывода
if (highBin == "11000000" || highBin == "11000001")
{
//string address = lowCommand.NumValue().ToString();
string address = "0x" + lowCommand.ToHexString();
return(address);
}
return(null);
}
private string GetCommandName(ExtendedBitArray lowCommand, ExtendedBitArray highCommand)
{
var highBin = highCommand.ToBinString();
var highHex = highCommand.ToHexString();
var lowBin = lowCommand.ToBinString();
var lowHex = lowCommand.ToHexString();
// Безадресные
if (highHex == "00")
{
if (lowHex == "00")
{
return("HLT");
}
if (lowHex == "01")
{
return("NOP");
}
if (lowHex == "02")
{
return("RET");
}
if (lowHex == "03")
{
return("IRET");
}
if (lowHex == "04")
{
return("EI");
}
if (lowHex == "05")
{
return("DI");
}
if (lowHex == "06")
{
return("RR");
}
if (lowHex == "07")
{
return("RL");
}
if (lowHex == "08")
{
return("RRC");
}
if (lowHex == "09")
{
return("RLC");
}
if (lowHex == "0A")
{
return("HLT");
}
if (lowHex == "0B")
{
return("INCA");
}
if (lowHex == "0C")
{
return("DECA");
}
if (lowHex == "0D")
{
return("SWAPA");
}
if (lowHex == "0E")
{
return("DAA");
}
if (lowHex == "0F")
{
return("DSA");
}
if (lowHex == "10")
{
return("IN");
}
if (lowHex == "11")
{
return("OUT");
}
if (lowHex == "12")
{
return("ES");
}
if (lowHex == "13")
{
return("MOVASR");
}
if (lowHex == "14")
{
return("MOVSRA");
}
if (lowHex == "15")
{
return("NOTA");
}
if (lowHex == "16")
{
return("MOVAPSW");
}
}
// DJRNZ
if (highBin.StartsWith("0001"))
{
return("DJRNZ");
}
// операторы перехода
if (highBin.StartsWith("001"))
{
if (highBin.StartsWith("001100"))
{
return("JZ");
}
if (highBin.StartsWith("001000"))
{
return("JNZ");
}
if (highBin.StartsWith("001101"))
{
return("JC");
}
if (highBin.StartsWith("001001"))
{
return("JNC");
}
if (highBin.StartsWith("001110"))
{
return("JN");
}
if (highBin.StartsWith("001010"))
{
return("JNN");
}
if (highBin.StartsWith("001111"))
{
return("JO");
}
if (highBin.StartsWith("001011"))
{
return("JNO");
}
}
// Операторы передачи управления
if (highBin.StartsWith("0100"))
{
if (highBin.StartsWith("010000"))
{
return("JMP");
}
if (highBin.StartsWith("010010"))
{
return("CALL");
}
if (highBin.StartsWith("010011"))
{
return("INT");
}
}
// Регистровые команды
if (highBin.StartsWith("0101"))
{
if (highHex[1] == 'F')
{
return("MOV");
}
if (highHex[1] == 'D')
{
return("POP");
}
if (highHex[1] == 'A')
{
return("WR");
}
if (highHex[1] == '0')
{
return("NOT");
}
if (highHex[1] == '1')
{
return("ADD");
}
if (highHex[1] == '2')
{
return("SUB");
}
if (highHex[1] == '3')
{
return("MUL");
}
if (highHex[1] == '4')
{
return("DIV");
}
if (highHex[1] == '5')
{
return("AND");
}
if (highHex[1] == '6')
{
return("OR");
}
if (highHex[1] == '7')
{
return("XOR");
}
if (highHex[1] == '8')
{
return("CMP");
}
if (highHex[1] == '9')
{
return("RD");
}
if (highHex[1] == 'B')
{
return("INC");
}
if (highHex[1] == 'C')
{
return("DEC");
}
if (highHex[1] == 'E')
{
return("PUSH");
}
}
//дополнительные регистровые SUBB и ADC
if (highBin.StartsWith("1111"))
{
if (highHex == "F0")
{
return("ADC");
}
if (highHex == "F1")
{
return("SUBB");
}
}
// ОЗУ
if (highBin.StartsWith("011"))
{
if (highHex[1] == 'A')
{
return("WR");
}
if (highHex[1] == '0')
{
return("NOT");
}
if (highHex[1] == '1')
{
return("ADD");
}
if (highHex[1] == '2')
{
return("SUB");
}
if (highHex[1] == '3')
{
return("MUL");
}
if (highHex[1] == '4')
{
return("DIV");
}
if (highHex[1] == '5')
{
return("AND");
}
if (highHex[1] == '6')
{
return("OR");
}
if (highHex[1] == '7')
{
return("XOR");
}
if (highHex[1] == '8')
{
return("CMP");
}
if (highHex[1] == '9')
{
return("RD");
}
if (highHex[1] == 'B')
{
return("INC");
}
if (highHex[1] == 'C')
{
return("DEC");
}
if (highHex[1] == 'D')
{
return("ADC");
}
if (highHex[1] == 'E')
{
return("SUBB");
}
if (highHex[1] == 'F')
{
return("XCH");
}
}
// Битовые команды
if (highBin.StartsWith("10000"))
{
return("CB");
}
if (highBin.StartsWith("10001"))
{
return("SB");
}
if (highBin.StartsWith("10010"))
{
return("SBC");
}
if (highBin.StartsWith("10011"))
{
return("SBS");
}
if (highBin.StartsWith("10100") && lowBin[0] == '1')
{
return("CBI");
}
if (highBin.StartsWith("10101") && lowBin[0] == '0')
{
return("SBI");
}
if (highBin.StartsWith("10101") && lowBin[0] == '1')
{
return("NBI");
}
if (highBin.StartsWith("10110") && lowBin[0] == '0')
{
return("SBIC");
}
if (highBin.StartsWith("10110") && lowBin[0] == '1')
{
return("SBIS");
}
if (highBin.StartsWith("10111") && lowBin[0] == '0')
{
return("SBISC");
}
// Команды ввода-вывода
if (highBin == "11000000")
{
return("IN");
}
if (highBin == "11000001")
{
return("OUT");
}
return("ERROR");
}