public void CheckA5PostIncMoveLongToReg()
{
// MOVEM <ea>,<ea>
// 0100 1100 1101 1101 0x4CDD
// 0001 1111 0000 0000 0x1F00
// MOVEM (A5)+,0001111100000000
byte[] data = new byte[]
{
0x4C, 0xDD, 0x1F, 0x00
};
MegadriveState state = new MegadriveState(new Data(data), 0x00000000, 0x00000000, 0x000000, 0x3FFFFF, 0x0FF0000, 0xFFFFFF);
state.WriteAReg(0x5, 0xFF0000);
for (int i = 0; i < 64; i++)
{
state.WriteByte((uint)(0xFF0000 + i), (byte)(0x00 + i));
}
state.FetchOpCode();
var opcode = new MOVEM(state);
Assert.That(opcode.Assembly, Is.EqualTo("MOVEM (A5)+,%0001111100000000"));
Assert.That(opcode.Size, Is.EqualTo(Size.Long));
Assert.That(state.ReadAReg(0x0), Is.EqualTo(0x00010203));
Assert.That(state.ReadAReg(0x1), Is.EqualTo(0x04050607));
Assert.That(state.ReadAReg(0x2), Is.EqualTo(0x08090A0B));
Assert.That(state.ReadAReg(0x3), Is.EqualTo(0x0C0D0E0F));
Assert.That(state.ReadAReg(0x4), Is.EqualTo(0x10111213));
Assert.That(state.ReadAReg(0x5), Is.EqualTo(0x00FF0014));
Assert.That(state.ReadAReg(0x6), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x7), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x0), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x1), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x2), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x3), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x4), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x5), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x6), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x7), Is.EqualTo(0x0000));
Assert.That(state.PC, Is.EqualTo(0x00000004));
Assert.That(state.ReadAReg(0x5), Is.EqualTo(0x00FF0014));
}
public void CheckA5PostIncMoveWordToReg()
{
// MOVEM <ea>,<ea>
// 0100 1100 1001 1101 0x4C9D
// 0000 0000 1110 0000 0x00E0
// MOVEM (A5)+,0000000011100000
byte[] data = new byte[]
{
0x4C, 0x9D, 0x00, 0xE0
};
MegadriveState state = new MegadriveState(new Data(data), 0x00000000, 0x00000000, 0x000000, 0x3FFFFF, 0x0FF0000, 0xFFFFFF);
state.WriteAReg(0x5, 0xFF0000);
for (int i = 0; i < 16; i++)
{
state.WriteByte((uint)(0xFF0000 + i), (byte)(0x00 + i));
}
state.FetchOpCode();
var opcode = new MOVEM(state);
Assert.That(opcode.Assembly, Is.EqualTo("MOVEM (A5)+,%0000000011100000"));
Assert.That(opcode.Size, Is.EqualTo(Size.Word));
Assert.That(state.ReadAReg(0x0), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x1), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x2), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x3), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x4), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x5), Is.EqualTo(0xFF0006));
Assert.That(state.ReadAReg(0x6), Is.EqualTo(0x0000));
Assert.That(state.ReadAReg(0x7), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x0), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x1), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x2), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x3), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x4), Is.EqualTo(0x0000));
Assert.That(state.ReadDReg(0x5), Is.EqualTo(0x0001));
Assert.That(state.ReadDReg(0x6), Is.EqualTo(0x0203));
Assert.That(state.ReadDReg(0x7), Is.EqualTo(0x0405));
Assert.That(state.PC, Is.EqualTo(0x00000004));
Assert.That(state.ReadAReg(0x5), Is.EqualTo(0x00FF0006));
}
