public Propeller.Assembly.SubInstruction GetSubInstruction()
{
if (this.SourceSubInstruction == null)
{
this.SourceSubInstruction = Assembly.GetSubInstruction(this.SourceInstruction, this);
}
return(this.SourceSubInstruction);
}
public ParsedInstruction(uint Opcode)
{
this.Opcode = Opcode;
this.INSTR = (byte )((Opcode >> 26) & 0x03F); // (bits 31:26)
this.ZCRI = (byte )((Opcode >> 22) & 0x00F); // (bits 25:22)
this.CON = (byte )((Opcode >> 18) & 0x00F); // (bits 21:18)
this.DEST = (ushort)((Opcode >> 9) & 0x1FF); // (bits 17:09)
this.SRC = (ushort)(Opcode & 0x1FF); // (bits 08:00)
this.SourceInstruction = Propeller.Assembly.Instructions[this.INSTR];
this.SourceSubInstruction = null;
}
public static string AssemblyText(uint Operation)
{
Assembly.ParsedInstruction instr = new Assembly.ParsedInstruction(Operation);
string text;
if (instr.CON > 0x00)
{
Propeller.Assembly.SubInstruction ActualInstruction = instr.GetSubInstruction();
string SrcString = string.Empty;
string DestString = string.Empty;
if (ActualInstruction.Source)
{
if (instr.SRC >= Propeller.Assembly.RegisterBaseAddress)
{
SrcString = String.Format("{0}{1}",
instr.ImmediateValue() ? "#" : string.Empty,
Propeller.Assembly.Registers[instr.SRC - Propeller.Assembly.RegisterBaseAddress].Name);
}
else
{
SrcString = String.Format("{0}${1:X3}",
instr.ImmediateValue() ? "#" : string.Empty,
instr.SRC);
}
}
if (ActualInstruction.Destination)
{
if (instr.DEST >= Propeller.Assembly.RegisterBaseAddress)
{
DestString = String.Format("{0}", Propeller.Assembly.Registers[instr.DEST - Propeller.Assembly.RegisterBaseAddress].Name);
}
else
{
DestString = String.Format("${0:X3}", instr.DEST);
}
}
text = String.Format("{0} {1} {2}{3}{4}", new object[] {
Propeller.Assembly.Conditions[instr.CON][0],
ActualInstruction.Name,
DestString,
(ActualInstruction.Source && ActualInstruction.Destination) ? ", " : "",
SrcString
}
);
if (instr.WriteResult())
{
text += " WR";
}
if (instr.NoResult())
{
text += " NR";
}
if (instr.WriteZero())
{
text += " WZ";
}
if (instr.WriteCarry())
{
text += " WC";
}
}
else
{
text = String.Format("{0} {1}", new object[] { Propeller.Assembly.Conditions[0][1], Propeller.Assembly.Conditions[0][2] });
}
return(text);
}
