private void ParseRom1Line(Processor proc, string[] microcodes)
{
foreach (string microcode in microcodes)
{
MPMEntry entry = ParseRom1Block(microcode);
if (proc.mpmEntries.ContainsKey(entry.Addr))
{
throw new ProcessorParserException(String.Format("Duplicate MPM entry : {0}", entry.Addr));
}
proc.mpmEntries.Add(entry.Addr, entry);
}
}
private void ParseRom2Line(Processor proc, string[] microcodes)
{
foreach (string microcode in microcodes)
{
int microcodeBits = Convert.ToInt32(microcode, 16);
MPMEntry entry = proc.mpmEntries[(microcodeBits >> 16) & 0xFFF]; // MPMA
entry.Alu = ParseAluCommand((microcodeBits >> 12) & 0x0F); // Alu
entry.Dst = ParseDesination(((microcodeBits >> 8) & 0x0F)); // Destination
entry.Src = ParseSource((microcodeBits >> 4) & 0x0F); // Source
entry.Rw = (((microcodeBits >> 3) & 0x01) == 1 ? true : false); // Rw
entry.IoM = (((microcodeBits >> 2) & 0x01) == 1 ? true : false); // IO/Mem
// Last bit 'Nu' - not used
}
return;
}
private MPMEntry ParseRom1Block(String block)
{
MPMEntry entry = null;
int microcodeBits = Convert.ToInt32(block, 16);
entry = new MPMEntry();
entry.Addr = (microcodeBits >> 20) & 0xFFF; // MPMA
entry.Na = ParseNa((microcodeBits >> 18) & 0x3); // Next MIP Address
entry.Cif = ((microcodeBits >> 17) & 0x1) == 1; // Clear Interrupt Flag(old IC)
entry.Ev = ((microcodeBits >> 16) & 0x1) == 1; // Enable Value Flag(X Path Selector)
entry.Val = (microcodeBits >> 4) & 0xFFF; // Offset Address or Value
entry.Af = ((microcodeBits >> 3) & 1) == 1; // Affected Flag(olf Fl)
entry.Crit = ParseCrit((microcodeBits >> 0) & 7); // Flag Criterion
return(entry);
}