public static bool ParseOoRrrMmm(FAsmCommand cmd, int w, int code, FBytes memory, int offset)
{
int oo = (code & 0xC0) >> 6;
int rrr = (code & 0x38) >> 3;
int mmm = (code & 0x07);
switch (oo)
{
case 0x00:
if (mmm == 0x06)
{
cmd.Size += RInt.BYTE_SIZE;
cmd.Attributes = new object[] { memory.GetInt32(offset) };
}
return(true);
case 0x01:
cmd.Size += RByte.BYTE_SIZE;
cmd.Attributes = new object[] { RAsm.RegName(w, rrr), memory[offset] };
return(true);
case 0x02:
cmd.Size += RInt.BYTE_SIZE;
cmd.Attributes = new object[] { RAsm.RegName(w, rrr), memory.GetInt32(offset) };
return(true);
case 0x03:
string des = RAsm.RegName(w, rrr);
string src = RAsm.FuncName(w, oo, mmm);
cmd.Attributes = new object[] { des, src };
return(true);
}
return(false);
}
public const int REG_EDI = 0x07; // BH, DI, EDI
public static bool ParseOoMmm(FAsmCommand cmd, int w, int oo, int mmm, FBytes memory, int offset)
{
switch (oo)
{
case 0x00:
if (mmm == 0x06)
{
cmd.Size += RInt.BYTE_SIZE;
cmd.Attributes = new object[] { memory.GetInt32(offset) };
}
return(true);
case 0x01:
cmd.Size += RByte.BYTE_SIZE;
cmd.Attributes = new object[] { memory[offset] };
return(true);
case 0x02:
cmd.Size += RInt.BYTE_SIZE;
cmd.Attributes = new object[] { memory.GetInt32(offset) };
return(true);
case 0x03:
cmd.Size += RByte.BYTE_SIZE;
string des = RAsm.RegName(w, mmm);
cmd.Attributes = new object[] { des, memory[offset] };
return(true);
}
return(false);
}
public override bool Parse(FAsmCommand cmd, FBytes bytes, int offset, int bits)
{
cmd.Code = this;
cmd.Size = 1;
if (Parse(cmd, bytes, offset))
{
cmd.Memory = bytes.ToArray(offset, cmd.Size);
return(true);
}
return(false);
}
public override bool Parse(FAsmCommand cmd, FBytes memory, int offset, int bits)
{
byte data = memory[offset + bits / 8];
bool flag = ((data & (0x01 << (7 - bits % 8))) == 0);
FAsmOpPath opObject = flag ? _object0 : _object1;
if (opObject != null)
{
return(opObject.Parse(cmd, memory, offset, bits + 1));
}
int count = _codes.Count;
for (int n = 0; n < count; n++)
{
if (_codes[n].Parse(cmd, memory, offset, 0))
{
return(true);
}
}
return(false);
}
public FAsmCommands Parse(uint address, byte[] memory, int offset, int length)
{
FBytes bytes = new FBytes();
bytes.Append(memory, offset, length);
FAsmCommands cmds = new FAsmCommands();
int end = offset + length;
for (int n = offset; n < end; n++)
{
FAsmCommand cmd = new FAsmCommand();
cmd.Address = address;
if (_codes.Parse(cmd, bytes, n, 0))
{
address += (uint)cmd.Size;
n += cmd.Size - 1;
cmds.Push(cmd);
}
}
return(cmds);
}
public abstract bool Parse(FAsmCommand cmd, FBytes bytes, int offset, int bits);