private uint DisassemblePhysical(uint addr)
{
CPU.Instruction inst = new CPU.Instruction(_system.Memory, addr);
if (inst.Length == 2)
{
Console.WriteLine("0x{0:x8}: 0x{1:x4} {2}",
addr,
_system.Memory.ReadHalfWord(addr),
Ridge.CPU.Disassembler.Disassemble(inst));
}
else if (inst.Length == 4)
{
Console.WriteLine("0x{0:x8}: 0x{1:x8} {2}",
addr,
_system.Memory.ReadWord(addr),
Ridge.CPU.Disassembler.Disassemble(inst));
}
else if (inst.Length == 6)
{
Console.WriteLine("0x{0:x8}: 0x{1:x8},0x{2:x4} {3}",
addr,
_system.Memory.ReadWord(addr),
_system.Memory.ReadHalfWord(addr + 4),
Ridge.CPU.Disassembler.Disassemble(inst));
}
return(inst.Length);
}
public void AddToList(int addr, byte value, Memory MEM, bool active = false)
{
ListViewItem item = new ListViewItem("0x" + Convert.ToString(addr, 16).PadLeft(4, '0').ToUpper());
CPU.Instruction ins = CPU.GetInstruction(MEM, addr);
string val = "";
val += Text = "" + Convert.ToString(value, 16).PadLeft(2, '0').ToUpper();
for (int i = 0; i < ins.Length; i++)
{
val += Text = " " + Convert.ToString(MEM[addr + 1 + i], 16).PadLeft(2, '0').ToUpper();
}
item.SubItems.Add(new ListViewItem.ListViewSubItem()
{
Text = val
});
string decomp = "";
decomp += ins.Name;
if (decomp.Contains("%2"))
{
decomp = decomp.Replace("%2", Convert.ToString(MEM[addr + 2], 16).ToUpper() + Convert.ToString(MEM[addr + 1], 16).ToUpper());
}
if (decomp.Contains("%1"))
{
decomp = decomp.Replace("%1", Convert.ToString(MEM[addr + 1], 16).ToUpper());
}
item.SubItems.Add(new ListViewItem.ListViewSubItem()
{
Text = decomp
});
listView1.Items.Add(item);
if (active)
{
item.BackColor = Color.Black;
item.ForeColor = Color.White;
}
}
private uint DisassembleVirtual(uint addr)
{
// TODO: disassembling virtual addresses here ends up modifying the Referenced bits!
bool pageFault = false;
CPU.Instruction inst = new CPU.Instruction(_system.Memory, addr, out pageFault);
if (pageFault)
{
Console.WriteLine("<page fault>");
}
else if (inst.Length == 2)
{
Console.WriteLine("0x{0:x8}: 0x{1:x4} {2}",
addr,
_system.Memory.ReadHalfWordV(addr, Memory.SegmentType.Code, out pageFault),
Ridge.CPU.Disassembler.Disassemble(inst));
}
else if (inst.Length == 4)
{
Console.WriteLine("0x{0:x8}: 0x{1:x8} {2}",
addr,
_system.Memory.ReadWordV(addr, Memory.SegmentType.Code, out pageFault),
Ridge.CPU.Disassembler.Disassemble(inst));
}
else if (inst.Length == 6)
{
Console.WriteLine("0x{0:x8}: 0x{1:x8},0x{2:x4} {3}",
addr,
_system.Memory.ReadWordV(addr, Memory.SegmentType.Code, out pageFault),
_system.Memory.ReadHalfWordV(addr + 4, Memory.SegmentType.Code, out pageFault),
Ridge.CPU.Disassembler.Disassemble(inst));
}
return(inst.Length);
}
