public void ExecSingleInstruction(string inst)
{
var oldPc = PC;
var x = Parser.Parser.ParseLine(inst);
switch (x)
{
case JInstruction j:
x = new JInstruction {
Key = j.Key, ITarget = labels[j.Target]
}.Into;
break;
case IInstruction i:
if (i.Key == "beq" || i.Key == "bne")
{
x = new IInstruction {
Key = i.Key, RS = i.RS, RT = i.RT, Imm = labels[i.Label]
};
}
break;
}
ExecInst(x);
if (PC == oldPc + 1)
{
PC--;
}
}
public void Execute_PCChangedToAddressTimesFour()
{
target = new JInstruction(0x00000003);
target.Execute(ref pc, mem, reg);
Assert.AreEqual(0x0000000C, pc);
}
public void Execute_UpperFourPcBitsMaintained()
{
pc = 0x20000000;
target = new JInstruction(0x00000003);
target.Execute(ref pc, mem, reg);
Assert.AreEqual(0x2000000C, pc);
}
public void ToString_Formatted()
{
target = new JInstruction(0x00000003);
Assert.AreEqual("J 0x00000003", target.ToString());
}
