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CLK/StaticAnalyser/Disassembler/Disassembler6502.hpp

80 lines
1.6 KiB
C++

//
// Disassembler6502.hpp
// Clock Signal
//
// Created by Thomas Harte on 10/11/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef Disassembler6502_hpp
#define Disassembler6502_hpp
#include <cstdint>
#include <functional>
#include <map>
#include <memory>
#include <set>
#include <vector>
namespace StaticAnalyser {
namespace MOS6502 {
struct Instruction {
uint16_t address;
enum {
BRK, JSR, RTI, RTS, JMP,
CLC, SEC, CLD, SED, CLI, SEI, CLV,
NOP,
SLO, RLA, SRE, RRA, ALR, ARR,
SAX, LAX, DCP, ISC,
ANC, XAA, AXS,
AND, EOR, ORA, BIT,
ADC, SBC,
AHX, SHY, SHX, TAS, LAS,
LDA, STA, LDX, STX, LDY, STY,
BPL, BMI, BVC, BVS, BCC, BCS, BNE, BEQ,
CMP, CPX, CPY,
INC, DEC, DEX, DEY, INX, INY,
ASL, ROL, LSR, ROR,
TAX, TXA, TAY, TYA, TSX, TXS,
PLA, PHA, PLP, PHP,
KIL
} operation;
enum {
Absolute,
AbsoluteX,
AbsoluteY,
Immediate,
Implied,
ZeroPage,
ZeroPageX,
ZeroPageY,
Indirect,
IndexedIndirectX,
IndirectIndexedY,
Relative,
} addressing_mode;
uint16_t operand;
};
struct Disassembly {
std::map<uint16_t, Instruction> instructions_by_address;
std::set<uint16_t> outward_calls;
std::set<uint16_t> internal_calls;
std::set<uint16_t> external_stores, external_loads, external_modifies;
std::set<uint16_t> internal_stores, internal_loads, internal_modifies;
};
Disassembly Disassemble(const std::vector<uint8_t> &memory, const std::function<size_t(uint16_t)> &address_mapper, std::vector<uint16_t> entry_points);
std::function<size_t(uint16_t)> OffsetMapper(uint16_t start_address);
}
}
#endif /* Disassembler6502_hpp */