/// -------------------------------------------------------------------------------------------------
/// <summary> Gets a label. </summary>
///
/// <remarks> 07/09/2018. </remarks>
///
/// <param name="addr"> The address. </param>
///
/// <returns> The label. </returns>
/// -------------------------------------------------------------------------------------------------
public static Label GetLabel(ref int[] bankmap, int addr)
{
int bank = NextAddress.GetBankFromAddress(ref bankmap, addr);
int longaddr = NextAddress.MakeLongAddress(bank, addr);
foreach (Label l in labels)
{
if (longaddr == l.nextAddress.GetLongAddress())
{
return(l);
}
}
return(null);
}
// -------------------------------------------------------------------------------------------------
// Patch dism memory with breakpoints
//
// \param [in,out] mem
// The memory.
// \param addr
// The address.
// \param length
// The length.
// -------------------------------------------------------------------------------------------------
private void PatchDismMemoryWithBreakpoints(ref byte[] mem, int addr, int length)
{
for (int i = 0; i < length; i++)
{
//looking for breakpoint instruction
if (mem[i] == 0xc7)
{
int a = addr + i;
int bank = NextAddress.GetBankFromAddress(ref MainForm.banks, a);
int brk = Breakpoint.FindFreeBreakpointAddr(NextAddress.MakeLongAddress(bank, a));
if (brk >= 0)
{
//found a breakpoint so lets replace the memory bytes with the origional value.
mem[i] = Breakpoint.breakpointData[brk].replaceopcode;
}
}
}
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Gets function with offset. </summary>
///
/// <remarks> 18/09/2018. </remarks>
///
/// <param name="addr"> The address. </param>
/// <param name="lab"> [out] The lab. </param>
/// <param name="offset"> [out] The offset. </param>
///
/// <returns> True if it succeeds, false if it fails. </returns>
/// -------------------------------------------------------------------------------------------------
public static bool GetFunctionWithOffset(ref int[] bankmap, int addr, out Label lab, out int offset)
{
int bank = NextAddress.GetBankFromAddress(ref bankmap, addr);
int longaddr = NextAddress.MakeLongAddress(bank, addr);
lab = null;
offset = 0;
int best = int.MaxValue;
int bestindex = -1;
int index = 0;
foreach (Label l in labels)
{
if (longaddr >= l.nextAddress.GetLongAddress() && l.function)
{
int off = longaddr - l.nextAddress.GetLongAddress();
if (off < best)
{
best = off;
bestindex = index;
}
}
index++;
}
if (bestindex < 0)
{
return(false);
}
lab = labels[bestindex];
offset = best;
return(true);
}