// CALLBACKS
public void BRCHREL(BoundInstruction boundInsn, int targetAddrBase)
{
if (_section.RelEntries != null && _section.RelEntries.Any(r => r.r_offset == CurAbsoluteIndex))
{
var rEntry = _section.RelEntries.First(r => r.r_offset == CurAbsoluteIndex);
var sEntry = _symEntries[rEntry.R_SYM];
if (!string.IsNullOrEmpty(sEntry.name))
{
_section.RelocationSymbols[CurAbsoluteIndex] = sEntry.name;
return;
}
}
var actualTargetAddr = targetAddrBase + _section.SectionOffset;
string s;
if (_section.ObjectDefLocations.TryGetValue(actualTargetAddr, out s))
_section.RelocationSymbols[CurAbsoluteIndex] = s;
else if (_section.LabelDefLocations.TryGetValue(actualTargetAddr, out s))
_section.RelocationSymbols[CurAbsoluteIndex] = s;
else
{
// create label
s = "L_" + actualTargetAddr.ToString("X").PadLeft(8, '0');
_section.RelocationSymbols[CurAbsoluteIndex] = s;
_section.LabelDefLocations[actualTargetAddr] = s;
}
}
public string VECTARG80(BoundInstruction boundInsn, int vectorArg, int flags)
{
if (GetBits(vectorArg, 1, 3) == 0x0007)
return "r" + GetExtraBits(flags, 2, 3);
var sb = new StringBuilder();
string argSize = ARG_BIT_SIZES[GetBits(vectorArg, 1, 2)];
bool vert = IsFlagSet(vectorArg, ARG_VERTICAL_FLAG);
bool increment = IsExtraFlagSet(flags, EARG_INCREMENT_FLAG);
sb.Append(vert ? "V" : "H");
sb.Append(argSize);
sb.Append("(");
sb.Append(GetBits(vectorArg, 5, 6));
if (increment && !vert)
sb.Append("++");
sb.Append(", ");
if (argSize == "")
sb.Append((int)(GetBits(vectorArg, 2, 2) << 4));
else if (argSize == "X")
sb.Append((int)(GetBits(vectorArg, 3, 1) << 5));
else if (argSize == "Y")
sb.Append("0");
if (increment && vert)
sb.Append("++");
sb.Append(")");
return sb.ToString();
}
// CALLBACKS
public string VECTARG48(BoundInstruction boundInsn, int vectorArg, int scalar)
{
if (GetBits(vectorArg, 1, 3) == 0x0007)
return "r" + scalar;
var sb = new StringBuilder();
string argSize = ARG_BIT_SIZES[GetBits(vectorArg, 1, 2)];
sb.Append(IsFlagSet(vectorArg, ARG_VERTICAL_FLAG) ? "V" : "H");
sb.Append(argSize);
sb.Append("(");
sb.Append(GetBits(vectorArg, 5, 6));
sb.Append(", ");
if (argSize == "")
sb.Append((int)(GetBits(vectorArg, 2, 2) << 4));
else if (argSize == "X")
sb.Append((int)(GetBits(vectorArg, 3, 1) << 5));
else if (argSize == "Y")
sb.Append("0");
sb.Append(")");
return sb.ToString();
}
public string Invoke(object target, BoundInstruction source, Dictionary<char, int> boundValues)
{
var funcRef = GetCallbackMethod(target);
if (funcRef == null)
return string.Empty;
var evaluatedParams = new object[RequiredParams.Length + 1];
evaluatedParams[0] = source;
int i = 0;
foreach (object p in RequiredParams)
{
i++;
var expr = p as Expression;
if (expr != null)
{
evaluatedParams[i] = EvaluateExpression(expr, boundValues);
continue;
}
if (p is char)
{
var boundIndex = (char)p;
int boundValue;
if (boundValues.TryGetValue(boundIndex, out boundValue))
{
string[] table;
if (IV_BASE._tables.TryGetValue(boundIndex, out table))
evaluatedParams[i] = table[boundValue];
else
evaluatedParams[i] = boundValue;
continue;
}
throw new Exception("INVALID CHARACTER");
}
throw new Exception("INVALID PRINT PARAMETER");
}
var retVal = funcRef.Invoke(target, evaluatedParams);
return (retVal as string) ?? string.Empty;
}
public string REPNUM(BoundInstruction boundInsn, int rep)
{
if (rep > 0 && rep < 7)
return " REP " + (0x1 << rep);
return "";
}
