private void ExecutionCycle(ExecutionContext context)
{
byte opcode = (byte)context.Opcode;
switch ((OpcodeClass)(opcode & OpcodeClassMask))
{
case OpcodeClass.FLOW:
Process_FLOW(context);
break;
case OpcodeClass.MOVE:
Process_MOVE(context);
break;
case OpcodeClass.STACK:
Process_STACK(context);
break;
case OpcodeClass.UNARY:
Process_UNARY(context);
break;
case OpcodeClass.BO_EQUALS:
Process_BO_EQUALS(context);
break;
case OpcodeClass.BO_COMPARE:
Process_BO_COMPARE(context);
break;
case OpcodeClass.BF_OR:
Process_BF_OR(context);
break;
case OpcodeClass.BF_AND:
Process_BF_AND(context);
break;
case OpcodeClass.BF_XOR:
Process_BF_XOR(context);
break;
case OpcodeClass.BF_ADD:
Process_BF_ADD(context);
break;
case OpcodeClass.BF_SUB:
Process_BF_SUB(context);
break;
case OpcodeClass.BF_MUL:
Process_BF_MUL(context);
break;
case OpcodeClass.BF_DIV:
Process_BF_DIV(context);
break;
case OpcodeClass.BF_MOD:
Process_BF_MOD(context);
break;
case OpcodeClass.BF_LSH:
Process_BF_LSH(context);
break;
case OpcodeClass.BF_RSH:
Process_BF_RSH(context);
break;
default:
throw new McuException();
}
if (context.ResultStatus == InstructionStatus.Normal)
{
int newAddress = GetInstructionPointer() + context.GetInstructionSize();
if (newAddress > 255)
{
int newBank = GetBank() + 1;
if (newBank > MaxBank)
newBank = MinBank;
SetBank((byte)newBank);
newAddress %= 256;
}
SetInstructionPointer((byte)newAddress);
}
else if (context.ResultStatus == InstructionStatus.NotImplemented)
{
throw new McuException();
}
}
