51 lines
No EOL
1.3 KiB
C++
51 lines
No EOL
1.3 KiB
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include <regex>
|
|
#include "CPU.h"
|
|
|
|
class LabelManager;
|
|
|
|
struct LineData
|
|
{
|
|
string OpCode;
|
|
string Operand;
|
|
string OperandSuffix;
|
|
AddrMode Mode = AddrMode::None;
|
|
int OperandSize = 0;
|
|
bool IsHex = false;
|
|
bool IsDecimal = false;
|
|
bool IsImmediate = false;
|
|
bool HasComment = false;
|
|
bool HasOpeningParenthesis = false;
|
|
};
|
|
|
|
enum AssemblerSpecialCodes
|
|
{
|
|
OK = 0,
|
|
EndOfLine = -1,
|
|
ParsingError = -2,
|
|
OutOfRangeJump = -3,
|
|
LabelRedefinition = -4,
|
|
MissingOperand = -5,
|
|
OperandOutOfRange = -6,
|
|
InvalidHex = -7,
|
|
InvalidSpaces = -8,
|
|
TrailingText = -9,
|
|
UnknownLabel = -10,
|
|
InvalidInstruction = -11,
|
|
};
|
|
|
|
class Assembler
|
|
{
|
|
private:
|
|
shared_ptr<LabelManager> _labelManager;
|
|
void ProcessLine(string code, uint16_t &instructionAddress, vector<int16_t>& output, std::unordered_map<string, uint16_t> &labels);
|
|
AssemblerSpecialCodes GetLineData(std::smatch match, LineData &lineData, std::unordered_map<string, uint16_t> &labels);
|
|
AssemblerSpecialCodes GetAddrModeAndOperandSize(LineData &lineData, std::unordered_map<string, uint16_t> &labels);
|
|
void AssembleInstruction(LineData &lineData, uint16_t &instructionAddress, vector<int16_t>& output);
|
|
|
|
public:
|
|
Assembler(shared_ptr<LabelManager> labelManager);
|
|
|
|
uint32_t AssembleCode(string code, uint16_t startAddress, int16_t* assembledCode);
|
|
}; |