48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#ifndef INC_6502_EMULATOR_STATUS_REGISTER_H
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#define INC_6502_EMULATOR_STATUS_REGISTER_H
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#include <bitset>
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#include <string>
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#include "register.h"
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using namespace std;
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namespace emu_6502 {
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class StatusRegister : public Register<bitset<8>> {
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private:
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enum Flag {
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CARRY = 0,
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ZERO = 1,
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INTERUPT_DISABLE = 2,
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DECIMAL = 3,
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BREAK = 4,
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OVERFLOW = 6,
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NEGATIVE = 7
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};
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public:
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StatusRegister() : Register<bitset<8>>("PS") {}
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StatusRegister(const StatusRegister&) = delete;
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virtual StatusRegister& operator=(const StatusRegister&) = delete;
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bool is_carry_set() const;
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bool is_zero_set() const;
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bool is_interupt_disable_set() const;
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bool is_decimal_set() const;
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bool is_break_set() const;
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bool is_overflow_set() const;
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bool is_negative_set() const;
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void set_carry(bool state);
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void set_zero(bool state);
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void set_interupt_disable(bool state);
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void set_decimal(bool state);
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void set_break(bool state);
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void set_overflow(bool state);
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void set_negative(bool state);
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};
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}
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#endif //INC_6502_EMULATOR_STATUS_REGISTER_H
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