76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include "Device.h"
|
|
|
|
namespace EightBit {
|
|
class Chip : public Device {
|
|
public:
|
|
enum Bits {
|
|
Bit0 = 1,
|
|
Bit1 = Bit0 << 1,
|
|
Bit2 = Bit1 << 1,
|
|
Bit3 = Bit2 << 1,
|
|
Bit4 = Bit3 << 1,
|
|
Bit5 = Bit4 << 1,
|
|
Bit6 = Bit5 << 1,
|
|
Bit7 = Bit6 << 1,
|
|
Bit8 = Bit7 << 1,
|
|
Bit9 = Bit8 << 1,
|
|
Bit10 = Bit9 << 1,
|
|
Bit11 = Bit10 << 1,
|
|
Bit12 = Bit11 << 1,
|
|
Bit13 = Bit12 << 1,
|
|
Bit14 = Bit13 << 1,
|
|
Bit15 = Bit14 << 1,
|
|
Bit16 = Bit15 << 1
|
|
};
|
|
|
|
enum Masks {
|
|
Mask1 = Bit1 - 1,
|
|
Mask2 = Bit2 - 1,
|
|
Mask3 = Bit3 - 1,
|
|
Mask4 = Bit4 - 1,
|
|
Mask5 = Bit5 - 1,
|
|
Mask6 = Bit6 - 1,
|
|
Mask7 = Bit7 - 1,
|
|
Mask8 = Bit8 - 1,
|
|
Mask9 = Bit9 - 1,
|
|
Mask10 = Bit10 - 1,
|
|
Mask11 = Bit11 - 1,
|
|
Mask12 = Bit12 - 1,
|
|
Mask13 = Bit13 - 1,
|
|
Mask14 = Bit14 - 1,
|
|
Mask15 = Bit15 - 1,
|
|
Mask16 = Bit16 - 1
|
|
};
|
|
|
|
[[nodiscard]] static constexpr uint8_t bit(const int which) noexcept { return 1 << which; }
|
|
|
|
[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which) noexcept { return input | which; }
|
|
[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const int condition) noexcept { return setBit(input, which, !!condition); }
|
|
[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const uint32_t condition) noexcept { return setBit(input, which, !!condition); }
|
|
[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const bool condition) noexcept { return condition ? setBit(input, which) : clearBit(input, which); }
|
|
|
|
[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which) noexcept { return input & ~which; }
|
|
[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const int condition) noexcept { return clearBit(input, which, !!condition); }
|
|
[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const uint32_t condition) noexcept { return clearBit(input, which, !!condition); }
|
|
[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const bool condition) noexcept { return setBit(input, which, !condition); }
|
|
|
|
[[nodiscard]] static constexpr auto highNibble(const int value) noexcept { return value >> 4; }
|
|
[[nodiscard]] static constexpr auto lowNibble(const int value) noexcept { return value & Mask4; }
|
|
|
|
[[nodiscard]] static constexpr auto higherNibble(const int value) noexcept { return value & 0xf0; }
|
|
[[nodiscard]] static constexpr auto lowerNibble(const int value) noexcept { return lowNibble(value); }
|
|
|
|
[[nodiscard]] static constexpr auto promoteNibble(const int value) noexcept { return value << 4; }
|
|
[[nodiscard]] static constexpr auto demoteNibble(const int value) noexcept { return highNibble(value); }
|
|
|
|
Chip(const Chip& rhs) noexcept
|
|
: Device(rhs) {}
|
|
|
|
protected:
|
|
Chip() noexcept = default;
|
|
};
|
|
}
|