public static InstructionSet Disassemble(string path)
{
InstructionSet instructionSet = new InstructionSet();
using (var file = File.Open(path, FileMode.Open)) {
using (var reader = new BeBinaryReader(file)) {
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
byte operation = reader.ReadByte();
var parameterSchema = parameterSchemas[operation];
var parameters = new List <TypedNumber>();
for (var i = 0; i < parameterSchema.Length; i++)
{
var parameter = parameterSchema[i];
switch (parameter)
{
case ParameterType.size_8:
parameters.Add(TypedNumber.TypedByte(
reader.ReadByte()
));
break;
case ParameterType.size_16:
parameters.Add(TypedNumber.TypedShort(
reader.ReadUInt16()
));
break;
case ParameterType.size_32:
parameters.Add(TypedNumber.TypedInt(
reader.ReadUInt32()
));
break;
}
}
instructionSet.Add(new Instruction(
opcode: operation,
parameters: parameters.ToArray()
));
}
}
}
return(instructionSet);
}
internal void Run(InstructionSet instructionSet)
{
registers = new IRegister[] {
new Register1(this),
new Register2(this),
new Register3(this),
new Register4(this),
new Register5(this),
new Register6(this),
new Register7(this),
new Register8(this),
new Register9(this),
new Register10(this)
};
var instructions = instructionSet.GetInstructions();
int instructionCount = instructions.Length;
uint index = 0;
long operationCount = 0;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
while (index < instructionCount)
{
operationCount++;
var instruction = instructions[index];
index++;
switch (instruction.opcode)
{
case 0:
ADD();
break;
case 1:
SUB();
break;
case 2:
MTP();
break;
case 3:
DIV();
break;
case 4:
MOD();
break;
case 5:
AND();
break;
case 6:
OR();
break;
case 7:
XOR();
break;
case 8:
NOT();
break;
case 9:
L_SHIFT();
break;
case 10:
R_SHIFT();
break;
case 11:
LOAD_8(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 12:
LOAD_16(instruction.parameters[0].value_8, instruction.parameters[1].value_16);
break;
case 13:
LOAD_32(instruction.parameters[0].value_8, instruction.parameters[1].value_32);
break;
case 14:
PRELOAD_8(instruction.parameters[0].value_8);
break;
case 15:
PRELOAD_16(instruction.parameters[0].value_8);
break;
case 16:
PRELOAD_32(instruction.parameters[0].value_8);
break;
case 17:
PRELOAD_BLOCK(instruction.parameters[0].value_8);
break;
case 18:
FREE_ADR_8(instruction.parameters[0].value_8);
break;
case 19:
FREE_ADR_16(instruction.parameters[0].value_8);
break;
case 20:
FREE_ADR_32(instruction.parameters[0].value_8);
break;
case 21:
FREE_BLOCK(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 22:
COPY_REG(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 23:
SWAP_REG(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 24:
SET_ADR_8(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 25:
SET_ADR_16(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 26:
SET_ADR_32(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 27:
GET_ADR_8(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 28:
GET_ADR_16(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 29:
GET_ADR_32(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 30:
SET_REG_8(instruction.parameters[0].value_8, instruction.parameters[1].value_8);
break;
case 31:
SET_REG_16(instruction.parameters[0].value_8, instruction.parameters[1].value_16);
break;
case 32:
SET_REG_32(instruction.parameters[0].value_8, instruction.parameters[1].value_32);
break;
case 33:
CMP();
break;
case 34:
index = JMP();
break;
case 35:
var conditionalJumpResult = CON_JMP();
if (conditionalJumpResult.HasValue)
{
index = conditionalJumpResult.Value;
}
break;
case 37:
stack.Push(new StackFrame(index, getRegisterValues()));
index = CALL(instruction.parameters[0].value_8);
break;
case 38:
var stackFrame = stack.Pop();
index = stackFrame.address;
setRegisterValues(stackFrame.registerValues);
break;
case 39:
IN();
break;
case 40:
OUT();
break;
default:
break;
}
}
stopwatch.Stop();
var completionTime = (double)stopwatch.ElapsedMilliseconds / 1000;
Console.WriteLine($"Program finished with {operationCount} operations fired");
Console.WriteLine($"Completion time (seconds): {completionTime}");
Console.WriteLine($"Operations per second: {operationCount / completionTime}");
}
public static void ExecuteAssembly(InstructionSet instructionSet)
{
var processor = new Processor();
processor.Run(instructionSet);
}
