Method generateBranchLines

pcsx2/DebugTools/DisassemblyManager.cpp:440–509

#define NUM_LANES 16

void DisassemblyFunction::generateBranchLines()
{
	struct LaneInfo
	{
		bool used;
		u32 end;
	};

	LaneInfo lanes[NUM_LANES];
	for (int i = 0; i < NUM_LANES; i++) {
		lanes[i].used = false;
		lanes[i].end = 0;
	}

	u32 end = address+size;

	for (u32 funcPos = address; funcPos < end; funcPos += 4)
	{
		MIPSAnalyst::MipsOpcodeInfo opInfo = MIPSAnalyst::GetOpcodeInfo(cpu,funcPos);

		bool inFunction = (opInfo.branchTarget >= address && opInfo.branchTarget < end);
		if (opInfo.isBranch && !opInfo.isBranchToRegister && !opInfo.isLinkedBranch && inFunction)
		{
			BranchLine line;
			line.laneIndex = 0;
			if (opInfo.branchTarget < funcPos)
			{
				line.first = opInfo.branchTarget;
				line.second = funcPos;
				line.type = LINE_UP;
			} else {
				line.first = funcPos;
				line.second = opInfo.branchTarget;
				line.type = LINE_DOWN;
			}

			lines.push_back(line);
		}
	}

	std::sort(lines.begin(),lines.end());
	for (size_t i = 0; i < lines.size(); i++)
	{
		for (int l = 0; l < NUM_LANES; l++)
		{
			if (lines[i].first > lanes[l].end)
				lanes[l].used = false;
		}

		int lane = -1;
		for (int l = 0; l < NUM_LANES; l++)
		{
			if (!lanes[l].used)
			{
				lane = l;
				break;
			}
		}