public SPUOpcodeTreeNode getTreeNodeByKey(string key)
{
SPUOpcodeTreeNode current = Root;
char[] nodes = key.ToCharArray();
int depth = 0;
foreach (char node in nodes)
{
if (node == '0')
{
if (current.child[0] == null)
{
current.child[0] = new SPUOpcodeTreeNode(depth);
}
current = current.child[0];
}
else if (node == '1')
{
if (current.child[1] == null)
{
current.child[1] = new SPUOpcodeTreeNode(depth);
}
current = current.child[1];
}
depth++;
}
return(current);
}
public string getCmdString(byte[] cmd, int pc)
{
string key = "";
foreach (byte b in cmd)
{
string keyB = "";
keyB = ((b & 128) != 0) ? "1" : "0";
keyB += ((b & 64) != 0) ? "1" : "0";
keyB += ((b & 32) != 0) ? "1" : "0";
keyB += ((b & 16) != 0) ? "1" : "0";
keyB += ((b & 8) != 0) ? "1" : "0";
keyB += ((b & 4) != 0) ? "1" : "0";
keyB += ((b & 2) != 0) ? "1" : "0";
keyB += ((b & 1) != 0) ? "1" : "0";
key += keyB;
}
SPUOpcodeTreeNode node = Opcodes.getTreeNodeFirstLeafByKey(key);
try
{
return(node.data.getParameterString(key, pc));
}
catch (Exception)
{
return("UNKNOWN: " + key);
}
}
public string getMnemonic(byte[] cmd)
{
string key = "";
foreach (byte b in cmd)
{
string keyB = "";
keyB = ((b & 128) != 0) ? "1" : "0";
keyB += ((b & 64) != 0) ? "1" : "0";
keyB += ((b & 32) != 0) ? "1" : "0";
keyB += ((b & 16) != 0) ? "1" : "0";
keyB += ((b & 8) != 0) ? "1" : "0";
keyB += ((b & 4) != 0) ? "1" : "0";
keyB += ((b & 2) != 0) ? "1" : "0";
keyB += ((b & 1) != 0) ? "1" : "0";
key += keyB;
}
SPUOpcodeTreeNode node = Opcodes.getTreeNodeFirstLeafByKey(key);
try
{
return(node.data.mnemonic);
}
catch (Exception)
{
return("UNKNOWN");
}
}
public SPUCommand(byte[] cmd, int offset)
{
string key = ConversionUtil.byteToBinString(cmd, offset);
key += ConversionUtil.byteToBinString(cmd, offset + 1);
key += ConversionUtil.byteToBinString(cmd, offset + 2);
key += ConversionUtil.byteToBinString(cmd, offset + 3);
node = SPUOpcodeTable.Instance.Opcodes.getTreeNodeFirstLeafByKey(key);
rt = ra = rb = rc = idx = 0;
functionName = "";
try
{
fullCommand = node.data.getParameterString(key, offset);
mnemonics = node.data.mnemonic;
type = node.data.type;
parseParameter(key);
}
catch (Exception)
{
mnemonics = ".byte";
fullCommand = "";
type = SPUOpcodeType.FAIL;
}
}
public SPUCommand(string key)
{
node = SPUOpcodeTable.Instance.Opcodes.getTreeNodeFirstLeafByKey(key);
rt = ra = rb = rc = idx = 0;
try
{
mnemonics = node.data.mnemonic;
type = node.data.type;
parseParameter(key);
}
catch (Exception)
{
mnemonics = ".byte";
type = SPUOpcodeType.Special;
}
}
public SPUCommand(string key)
{
node = SPUOpcodeTable.Instance.Opcodes.getTreeNodeFirstLeafByKey(key);
rt = ra = rb = rc = idx = 0;
try
{
mnemonics = node.data.mnemonic;
type = node.data.type;
parseParameter(key);
}
catch (Exception)
{
mnemonics = ".byte";
type = SPUOpcodeType.Special;
}
}
public SPUCommand(byte[] cmd, int offset)
{
string key = ConversionUtil.byteToBinString(cmd, offset);
key += ConversionUtil.byteToBinString(cmd, offset + 1);
key += ConversionUtil.byteToBinString(cmd, offset + 2);
key += ConversionUtil.byteToBinString(cmd, offset + 3);
node = SPUOpcodeTable.Instance.Opcodes.getTreeNodeFirstLeafByKey(key);
rt = ra = rb = rc = idx = 0;
functionName = "";
try
{
fullCommand = node.data.getParameterString(key, offset);
mnemonics = node.data.mnemonic;
type = node.data.type;
parseParameter(key);
}
catch (Exception)
{
mnemonics = ".byte";
fullCommand = "";
type = SPUOpcodeType.FAIL;
}
}
public SPUOpcodeTree()
{
Root = new SPUOpcodeTreeNode(-1);
}
public void setTreeNodeData(string key, string[] data)
{
SPUOpcodeTreeNode node = getTreeNodeByKey(key);
SPUOpcodeTreeNodeData treeData = new SPUOpcodeTreeNodeData();
treeData.opcode = data[0];
treeData.mnemonic = data[2];
treeData.shift = 0;
treeData.signed = false;
treeData.size = 128;
treeData.stop = false;
treeData.trap = false;
treeData.type = SPUOpcodeTreeNodeData.typeByString(data[1]);
for (int i = 3; i < data.Length; i++)
{
switch (data[i])
{
case "signed":
treeData.signed = true;
break;
case "shift2":
treeData.shift = 2;
break;
case "shift4":
treeData.shift = 4;
break;
case "stop":
treeData.stop = true;
break;
case "trap":
treeData.trap = true;
break;
case "Bits":
treeData.size = 1;
break;
case "byte":
treeData.size = 8;
break;
case "half":
treeData.size = 16;
break;
case "float":
treeData.size = 32;
break;
case "double":
treeData.size = 64;
break;
}
}
node.data = treeData;
node.leaf = true;
}
public SPUOpcodeTree()
{
Root = new SPUOpcodeTreeNode(-1);
}