private void AssignAddressForSectionInstruction(AssemblyCode code, int sectionIndex, ref uint ramBottomByteAddress)
{
var sect = code.Sections[sectionIndex];
for (int instrIdx = 0; instrIdx < sect.AllInstructions.Length; instrIdx++)
{
Instruction instr = sect.AllInstructions[instrIdx];
InstructionAnalyzeInfo analyzeInfo = InstructionAnalyzeInfos[sectionIndex][instrIdx];
//Alignment (If needed)
if (analyzeInfo.NeedToAlign && (ramBottomByteAddress % 4) != 0)
{
ramBottomByteAddress += 4 - (ramBottomByteAddress % 4);
}
//Assign
instr.PlacedInfo.MemoryNumber = 0;
instr.PlacedInfo.Address = new Misc.AddressRange()
{
From = ramBottomByteAddress,
To = ramBottomByteAddress + (uint)analyzeInfo.LengthInHalfWord * 2 - 1
};
//Update
ramBottomByteAddress += (uint)analyzeInfo.LengthInHalfWord * 2;
//This process is not necessary
for (int oprIdx = 0; oprIdx < instr.Operands.Length; oprIdx++)
{
instr.Operands[oprIdx].PlacedInfo.MemoryNumber = 0;
instr.Operands[oprIdx].PlacedInfo.Address = instr.PlacedInfo.Address;
}
}
}
private bool AnalyzeInstructionType(AssemblyCode code, List <AssembleError> errorList)
{
InstructionAnalyzeInfos = new InstructionAnalyzeInfo[code.Sections.Count][];
for (int sectIdx = 0; sectIdx < code.Sections.Count; sectIdx++)
{
var sect = code.Sections[sectIdx];
InstructionAnalyzeInfos[sectIdx] = new InstructionAnalyzeInfo[sect.AllInstructions.Length];
for (int instrIdx = 0; instrIdx < sect.AllInstructions.Length; instrIdx++)
{
var instr = sect.AllInstructions[instrIdx];
int type;
if (!InstructionAssembler.SearchAssemblerType(instr, out type, errorList))
{
return(false);
}
InstructionAnalyzeInfos[sectIdx][instrIdx].Type = type;
int length;
bool needToAlign;
if (!InstructionAssembler.EstimateInstructionLength(instr, type, out length, out needToAlign, errorList))
{
return(false);
}
InstructionAnalyzeInfos[sectIdx][instrIdx].LengthInHalfWord = length;
InstructionAnalyzeInfos[sectIdx][instrIdx].NeedToAlign = needToAlign;
}
}
return(true);
}
