private void RegisterBox_KeyPress(object sender, KeyPressEventArgs e)
{
if (_debugger == null)
{
return;
}
if (e.KeyChar == (char)Keys.Enter)
{
IZ80 cpu = _debugger.CPU;
cpu.AF = Convert.ToUInt16(afBox.Text, 16);
cpu.BC = Convert.ToUInt16(bcBox.Text, 16);
cpu.DE = Convert.ToUInt16(deBox.Text, 16);
cpu.HL = Convert.ToUInt16(hlBox.Text, 16);
cpu.IX = Convert.ToUInt16(ixBox.Text, 16);
cpu.IY = Convert.ToUInt16(iyBox.Text, 16);
cpu.AFP = Convert.ToUInt16(afpBox.Text, 16);
cpu.BCP = Convert.ToUInt16(bcpBox.Text, 16);
cpu.DEP = Convert.ToUInt16(depBox.Text, 16);
cpu.HLP = Convert.ToUInt16(hlpBox.Text, 16);
cpu.SP = Convert.ToUInt16(spBox.Text, 16);
cpu.PC = Convert.ToUInt16(pcBox.Text, 16);
UpdateRegisters();
}
if (e.KeyChar == (char)Keys.Cancel || e.KeyChar == (char)Keys.Escape)
{
UpdateRegisters();
}
}
private void zflagBox_CheckedChanged(object sender, EventArgs e)
{
if (_updating || _debugger == null)
{
return;
}
IZ80 cpu = _debugger.CPU;
ushort f = (ushort)(Convert.ToUInt16(cflagBox.Checked) + Convert.ToUInt16(nflagBox.Checked) * 2 +
Convert.ToUInt16(pvflagBox.Checked) * 4 + 8 + Convert.ToUInt16(hcflagBox.Checked) * 16 +
32 + Convert.ToUInt16(zflagBox.Checked) * 64 + Convert.ToUInt16(sflagBox.Checked) * 128);
cpu.AF &= 0xFF00;
cpu.AF |= f;
UpdateFlags();
}
private void UpdateRegisters()
{
IZ80 cpu = _debugger.CPU;
afBox.Text = cpu.AF.ToString("X4");
afpBox.Text = cpu.AFP.ToString("X4");
bcBox.Text = cpu.BC.ToString("X4");
bcpBox.Text = cpu.BCP.ToString("X4");
deBox.Text = cpu.DE.ToString("X4");
depBox.Text = cpu.DEP.ToString("X4");
hlBox.Text = cpu.HL.ToString("X4");
hlpBox.Text = cpu.HLP.ToString("X4");
ixBox.Text = cpu.IX.ToString("X4");
iyBox.Text = cpu.IY.ToString("X4");
pcBox.Text = cpu.PC.ToString("X4");
spBox.Text = cpu.SP.ToString("X4");
}
private static bool EvalConditions(IZ80 cpu, BreakCondition condition)
{
bool isTrue = true;
if (condition.A >= 0xFFFF)
{
isTrue &= (cpu.AF >> 16) == (ushort)(condition.A >> 8);
}
if (condition.B >= 0xFFFF)
{
isTrue &= (cpu.BC >> 16) == (ushort)(condition.B >> 8);
}
if (condition.C >= 0xFFFF)
{
isTrue &= (cpu.BC & 0xFF) == (ushort)(condition.C >> 16);
}
if (condition.D >= 0xFFFF)
{
isTrue &= (cpu.DE >> 16) == (ushort)(condition.D >> 8);
}
if (condition.E >= 0xFFFF)
{
isTrue &= (cpu.DE & 0xFF) == (ushort)(condition.E >> 16);
}
if (condition.H >= 0xFFFF)
{
isTrue &= cpu.HL >> 8 == (ushort)(condition.H >> 16);
}
if (condition.L >= 0xFFFF)
{
isTrue &= (cpu.HL & 0xFF) == (ushort)(condition.L >> 16);
}
if (condition.IX >= 0xFFFF)
{
isTrue &= cpu.IX == (ushort)condition.IX;
}
if (condition.IY >= 0xFFFF)
{
isTrue &= cpu.IY == (ushort)(condition.IY >> 16);
}
if (condition.SP >= 0xFFFF)
{
isTrue &= cpu.SP == (ushort)(condition.SP >> 16);
}
if (condition.CFlag > 2)
{
isTrue &= (cpu.AF & 1) == condition.CFlag;
}
if (condition.NFlag >= 2)
{
isTrue &= (cpu.AF & 2) == condition.NFlag;
}
if (condition.PVFlag >= 2)
{
isTrue &= (cpu.AF & 4) == condition.PVFlag;
}
if (condition.HFlag >= 2)
{
isTrue &= (cpu.AF & 16) == condition.HFlag;
}
if (condition.ZFlag >= 2)
{
isTrue &= (cpu.AF & 64) == condition.ZFlag;
}
if (condition.SFlag >= 2)
{
isTrue &= (cpu.AF & 128) == condition.SFlag;
}
return(isTrue);
}
public bool EvalulateAllConditions(IZ80 cpu)
{
return(_breakConditions.All(condition => EvalConditions(cpu, condition)));
}
