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https://github.com/ksherlock/wdc-utils.git
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72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
#ifndef __disassembler_h__
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#define __disassembler_h__
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#include <stdint.h>
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#include <string>
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class disassembler {
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public:
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disassembler() = default;
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void operator()(uint8_t byte);
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void operator()(const std::string &expr, unsigned size);
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template<class Iter>
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void operator()(Iter begin, Iter end) { while (begin != end) code(*begin++); }
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template<class T>
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void operator()(const T &t) { code(std::begin(t), std::end(t)); }
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bool m() const { return _flags & 0x20; }
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bool x() const { return _flags & 0x10; }
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void set_m(bool x) {
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if (x) _flags |= 0x20;
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else _flags &= ~0x20;
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}
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void set_x(bool x) {
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if (x) _flags |= 0x10;
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else _flags &= ~0x10;
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}
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uint32_t pc() const { return _pc; }
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void set_pc(uint32_t pc) { if (_pc != pc) { flush(); _pc = pc; } }
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bool code() const { return _code; }
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void set_code(bool code) { if (_code != code) { flush(); _code = code; } }
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void flush();
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private:
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void reset();
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void dump();
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void dump(const std::string &expr, unsigned size);
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void print();
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void print(const std::string &expr);
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void print_prefix();
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void print_suffix();
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void hexdump();
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unsigned _st = 0;
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uint8_t _op = 0;
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unsigned _size = 0;
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unsigned _mode = 0;
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uint8_t _bytes[4];
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unsigned _flags = 0x30;
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unsigned _pc = 0;
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unsigned _arg = 0;
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bool _code = true;
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};
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#endif |