41 lines
789 B
C
41 lines
789 B
C
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#pragma once
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#include <memory/device.h>
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#include <cpu/cpu.h>
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class Joypad : public Mem_device {
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public:
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enum Key {
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A,B,Select,Start,
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Right,Left,Up,Down,
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};
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private:
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Cpu& cpu;
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bool keystates[8];
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bool action_select;
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bool direction_select;
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enum P1Reg {
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P1ActionSelect = 0b00100000,
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P1DirectionSelect = 0b00010000,
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P1Down = 0b00001000,
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P1Start = 0b00001000,
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P1Up = 0b00000100,
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P1Select = 0b00000100,
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P1Left = 0b00000010,
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P1B = 0b00000010,
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P1Right = 0b00000001,
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P1A = 0b00000001,
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};
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public:
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Joypad(Cpu& cpu);
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void setKeyState(Key k, bool pressed);
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virtual void write8(u16 addr, u8 data);
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virtual u8 read8(u16 addr);
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};
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