mirror of
https://github.com/MoleskiCoder/EightBit.git
synced 2024-11-05 03:07:44 +00:00
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
#pragma once
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#include <cstdint>
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#include "Device.h"
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namespace EightBit {
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class Chip : public Device {
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public:
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enum Bits {
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Bit0 = 1,
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Bit1 = Bit0 << 1,
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Bit2 = Bit1 << 1,
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Bit3 = Bit2 << 1,
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Bit4 = Bit3 << 1,
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Bit5 = Bit4 << 1,
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Bit6 = Bit5 << 1,
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Bit7 = Bit6 << 1,
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Bit8 = Bit7 << 1,
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Bit9 = Bit8 << 1,
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Bit10 = Bit9 << 1,
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Bit11 = Bit10 << 1,
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Bit12 = Bit11 << 1,
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Bit13 = Bit12 << 1,
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Bit14 = Bit13 << 1,
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Bit15 = Bit14 << 1,
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Bit16 = Bit15 << 1
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};
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enum Masks {
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Mask1 = Bit1 - 1,
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Mask2 = Bit2 - 1,
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Mask3 = Bit3 - 1,
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Mask4 = Bit4 - 1,
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Mask5 = Bit5 - 1,
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Mask6 = Bit6 - 1,
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Mask7 = Bit7 - 1,
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Mask8 = Bit8 - 1,
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Mask9 = Bit9 - 1,
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Mask10 = Bit10 - 1,
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Mask11 = Bit11 - 1,
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Mask12 = Bit12 - 1,
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Mask13 = Bit13 - 1,
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Mask14 = Bit14 - 1,
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Mask15 = Bit15 - 1,
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Mask16 = Bit16 - 1
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};
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[[nodiscard]] static constexpr uint8_t bit(const int which) noexcept { return 1 << which; }
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[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which) noexcept { return input | which; }
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[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const int condition) noexcept { return setBit(input, which, !!condition); }
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[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const uint32_t condition) noexcept { return setBit(input, which, !!condition); }
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[[nodiscard]] static constexpr uint8_t setBit(uint8_t input, const int which, const bool condition) noexcept { return condition ? setBit(input, which) : clearBit(input, which); }
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[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which) noexcept { return input & ~which; }
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[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const int condition) noexcept { return clearBit(input, which, !!condition); }
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[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const uint32_t condition) noexcept { return clearBit(input, which, !!condition); }
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[[nodiscard]] static constexpr uint8_t clearBit(uint8_t input, const int which, const bool condition) noexcept { return setBit(input, which, !condition); }
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[[nodiscard]] static constexpr auto highNibble(const int value) noexcept { return value >> 4; }
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[[nodiscard]] static constexpr auto lowNibble(const int value) noexcept { return value & Mask4; }
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[[nodiscard]] static constexpr auto higherNibble(const int value) noexcept { return value & 0xf0; }
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[[nodiscard]] static constexpr auto lowerNibble(const int value) noexcept { return lowNibble(value); }
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[[nodiscard]] static constexpr auto promoteNibble(const int value) noexcept { return value << 4; }
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[[nodiscard]] static constexpr auto demoteNibble(const int value) noexcept { return highNibble(value); }
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virtual ~Chip() {}
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Chip(const Chip& rhs)
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: Device(rhs) {}
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protected:
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Chip() noexcept = default;
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};
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}
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