59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "IAssembler.h"
|
|
|
|
class LabelManager;
|
|
|
|
enum class ParamType
|
|
{
|
|
None,
|
|
Literal,
|
|
Byte,
|
|
Short,
|
|
Address,
|
|
HighAddress,
|
|
RelAddress,
|
|
StackOffset
|
|
};
|
|
|
|
struct ParamEntry
|
|
{
|
|
string Param;
|
|
ParamType Type;
|
|
};
|
|
|
|
struct OpCodeEntry
|
|
{
|
|
uint16_t OpCode;
|
|
int ParamCount;
|
|
ParamEntry Param1;
|
|
ParamEntry Param2;
|
|
};
|
|
|
|
class GbAssembler : public IAssembler
|
|
{
|
|
private:
|
|
unordered_map<string, vector<OpCodeEntry>> _opCodes;
|
|
shared_ptr<LabelManager> _labelManager;
|
|
|
|
void InitParamEntry(ParamEntry& entry, string param);
|
|
bool IsRegisterName(string op);
|
|
void InitAssembler();
|
|
int ReadValue(string operand, int min, int max, unordered_map<string, uint16_t>& localLabels, bool firstPass);
|
|
bool IsMatch(ParamEntry& entry, string operand, uint32_t address, unordered_map<string, uint16_t>& localLabels,
|
|
bool firstPass);
|
|
void PushOp(uint16_t opCode, vector<int16_t>& output, uint32_t& address);
|
|
void PushByte(uint8_t operand, vector<int16_t>& output, uint32_t& address);
|
|
void PushWord(uint16_t operand, vector<int16_t>& output, uint32_t& address);
|
|
void ProcessOperand(ParamEntry& entry, string operand, vector<int16_t>& output, uint32_t& address,
|
|
unordered_map<string, uint16_t>& localLabels, bool firstPass);
|
|
|
|
void RunPass(vector<int16_t>& output, string code, uint32_t address, int16_t* assembledCode, bool firstPass,
|
|
unordered_map<string, uint16_t>& localLabels);
|
|
|
|
public:
|
|
GbAssembler(shared_ptr<LabelManager> labelManager);
|
|
virtual ~GbAssembler();
|
|
|
|
uint32_t AssembleCode(string code, uint32_t startAddress, int16_t* assembledCode);
|
|
};
|