private int ProcessOpcodeAndMove(long opcode, Mode nounMode, Mode verbMode, Mode resMode, int ptr)
{
switch (opcode)
{
case 1:
SetMemory(_memory[ptr + 3], resMode, GetValueByMode(nounMode, _memory[ptr + 1]) + GetValueByMode(verbMode, _memory[ptr + 2]));
return(ptr + 4);
case 2:
SetMemory(_memory[ptr + 3], resMode, GetValueByMode(nounMode, _memory[ptr + 1]) * GetValueByMode(verbMode, _memory[ptr + 2]));
return(ptr + 4);
case 3:
SetMemory(_memory[ptr + 1], nounMode, _input.GetNext());
return(ptr + 2);
case 4:
_output.Send(GetValueByMode(nounMode, _memory[ptr + 1]));
return(ptr + 2);
case 5:
if (GetValueByMode(nounMode, _memory[ptr + 1]) != 0)
{
return((int)GetValueByMode(verbMode, _memory[ptr + 2]));
}
return(ptr + 3);
case 6:
if (GetValueByMode(nounMode, _memory[ptr + 1]) == 0)
{
return((int)GetValueByMode(verbMode, _memory[ptr + 2]));
}
return(ptr + 3);
case 7:
SetMemory(_memory[ptr + 3], resMode, GetValueByMode(nounMode, _memory[ptr + 1]) < GetValueByMode(verbMode, _memory[ptr + 2])
? 1
: 0);
return(ptr + 4);
case 8:
SetMemory(_memory[ptr + 3], resMode, GetValueByMode(nounMode, _memory[ptr + 1]) == GetValueByMode(verbMode, _memory[ptr + 2])
? 1
: 0);
return(ptr + 4);
case 9:
_relativeBase += GetValueByMode(nounMode, _memory[ptr + 1]);
return(ptr + 2);
default:
throw new NotImplementedException($"Invalid value {opcode}");
}
}