private void EmitOpcodes()
{
bool end = false;
ushort funcAddr = (ushort)CurrentAddress;
if (funcAddr == m_DebugAddress && m_DebugDMA)
{
EimtMemoryDebug(true);
}
do
{
UpdateLocalOffsetBase();
SaveCurrentAddress();
CdpInstruction inst = GetInstruction((ushort)(CurrentAddress++));
try
{
C1802OpCodes opcode = (C1802OpCodes)inst.Hi;
WriteDebug("\n1802 Opcode: " + opcode.ToString() + "(" + inst.Data.ToString("X2") + ")");
MarkLabel();
switch (opcode)
{
// All called routines must end with SEP pointing to R4!
case C1802OpCodes.SEP:
{
if (inst.Low == 4)
{
end = true; break;
}
else
{
WriteDebug(" : Warning: code doesn't point to r4, value: " + inst.Low.ToString("X1") + "\n");
break;
}
}
case C1802OpCodes.GLO: Emit_GLO(inst); break;
case C1802OpCodes.SEX: Emit_SEX(inst); break;
case C1802OpCodes.STR: Emit_STR(inst); break;
case C1802OpCodes.LDA: Emit_LDA(inst); break;
case C1802OpCodes.Sub15: EmitSubOpcodes15(inst); break;
case C1802OpCodes.Sub0: EmitSubOpcodes0(inst); break;
case C1802OpCodes.Sub7: EmitSubOpcodes7(inst); break;
case C1802OpCodes.Sub3: EmitSubOpcodes3(inst); break;
case C1802OpCodes.PLO: Emit_PLO(inst); break;
case C1802OpCodes.INC: Emit_INC(inst); break;
case C1802OpCodes.GHI: Emit_GHI(inst); break;
case C1802OpCodes.PHI: Emit_PHI(inst); break;
case C1802OpCodes.DEC: Emit_DEC(inst); break;
default: EmitNop(); WriteDebug(" ...No Emit!"); break;
}
if (funcAddr == m_DebugAddress && m_DebugRegs)
{
EmitDumpRegsCall();
}
}
catch (ArgumentException)
{
end = true;
continue;
}
}while (!end);
if (funcAddr == m_DebugAddress && m_DebugDMA)
{
EimtMemoryDebug(false);
}
}
private static void EmitOpcodes()
{
bool end = false;
s_Labels = new Dictionary <ushort, Label>();
ushort funcAddr = s_CurrentAddress;
do
{
s_LocalOffset = s_LocalCount;
s_LastAddress = s_CurrentAddress;
CdpInstruction inst = GetInstruction(s_CurrentAddress++);
try
{
C1802OpCodes opcode = (C1802OpCodes)inst.Hi;
Console.Write("1802 Opcode: " + opcode.ToString());
Label lb = s_ILGen.DefineLabel();
s_ILGen.MarkLabel(lb);
s_Labels.Add(s_LastAddress, lb);
switch (opcode)
{
case C1802OpCodes.GLO: Emit_GLO(inst); break;
case C1802OpCodes.SEX: Emit_SEX(inst); break;
case C1802OpCodes.STR: Emit_STR(inst); break;
case C1802OpCodes.SEP: end = true; break;
case C1802OpCodes.LDA: Emit_LDA(inst); break;
case C1802OpCodes.Sub15: EmitSubOpcodes15(inst); break;
case C1802OpCodes.Sub0: EmitSubOpcodes0(inst); break;
case C1802OpCodes.Sub7: EmitSubOpcodes7(inst); break;
case C1802OpCodes.Sub3: EmitSubOpcodes3(inst); break;
case C1802OpCodes.PLO: Emit_PLO(inst); break;
case C1802OpCodes.INC: Emit_INC(inst); break;
case C1802OpCodes.GHI: Emit_GHI(inst); break;
case C1802OpCodes.PHI: Emit_PHI(inst); break;
case C1802OpCodes.DEC: Emit_DEC(inst); break;
default: EmitNop(); Console.Write(" ...No Emit!"); break;
}
Console.WriteLine("");
//if (funcAddr == 0x3f3)
// EmitDumpRegsCall();
}
catch (ArgumentException)
{
end = true;
continue;
}
}while (!end);
s_Labels.Clear();
}
