public static void IsNotGreaterThanUnsigned(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushBool(a <= b);
}
public static void IsNotLessThanUnsigned(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushBool(a >= b);
}
public static void Equals(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushBool(a == b);
}
public static void DoesNotEqual(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushBool(a != b);
}
public static void And(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushUInt64(a & b);
}
public static void Xor(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushUInt64(a ^ b);
}
public static void UnsignedDivide(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushUInt64(unchecked(a / b));
}
public static void UnsignedModulus(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushUInt64(unchecked(a % b));
}
public static void Invert(Forth f)
{
ulong u = f.PopUInt64();
f.PushUInt64(~u);
}
public static void UnsignedMax(Forth f)
{
ulong b = f.PopUInt64();
ulong a = f.PopUInt64();
f.PushUInt64((a > b) ? a : b);
}
public static void RShift(Forth f)
{
ulong shiftCount = f.PopUInt64();
ulong value = f.PopUInt64();
if (shiftCount > 63)
{
f.PushUInt64(0ul);
}
else
{
f.PushUInt64(value >> (int)shiftCount);
}
}
public static void ZeroExtendInt32(Forth f)
{
ulong value = f.PopUInt64();
value &= 0xFFFFFFFFul;
f.PushUInt64(value);
}
public static void SignExtendInt32(Forth f)
{
ulong value = f.PopUInt64();
if ((value & 0x80000000ul) != 0) value |= 0xFFFFFFFF80000000ul;
else value &= 0x7FFFFFFFul;
f.PushUInt64(value);
}