public void MulhsuTest1()
{
program.AddRange(InstructionTypeFactory.Addi(10, 0, 2));
program.AddRange(InstructionTypeFactory.Addi(11, 0, 10));
program.AddRange(InstructionTypeFactory.MultiplyOP(12, 10, 11, 0)); // MUL : x12 = 2*10 = 20
program.AddRange(InstructionTypeFactory.MultiplyOP(13, 10, 11, 2)); // MULH : x13 = 2*10 = 20
core.Run(program);
var register = core.Register;
var x10 = register.ReadSignedInt(10);
var x11 = register.ReadSignedInt(11);
var x12 = register.ReadSignedInt(12);
var x13 = register.ReadSignedInt(13);
Assert.AreEqual(x10, 2);
Assert.AreEqual(x11, 10);
Assert.AreEqual(x12, 20);
Assert.AreEqual(x13, 0);
}
public void MulAndMulhTest3()
{
program.AddRange(InstructionTypeFactory.Lui(10, 0xFFFFF));
program.AddRange(InstructionTypeFactory.Lui(11, 0x00FFF));
program.AddRange(InstructionTypeFactory.MultiplyOP(12, 10, 11, 0)); // MUL: 2*10 = 20
program.AddRange(InstructionTypeFactory.MultiplyOP(13, 10, 11, 1));
core.Run(program);
var register = core.Register;
var x10 = register.ReadBlock(10);
var x11 = register.ReadBlock(11);
var x12 = register.ReadBlock(12);
var x13 = register.ReadBlock(13);
Assert.AreEqual(x10, new byte[] { 0x00, 0xF0, 0xFF, 0xFF });
Assert.AreEqual(x11, new byte[] { 0x00, 0xF0, 0xFF, 0x00 });
Assert.AreEqual(x12, new byte[] { 0x00, 0x00, 0x00, 0x01 });
Assert.AreEqual(x13, new byte[] { 0xF0, 0x00, 0x00, 0x00 });
}