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Diffstat (limited to 'Emulator/Make.cs')
| -rw-r--r-- | Emulator/Make.cs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Emulator/Make.cs b/Emulator/Make.cs new file mode 100644 index 0000000..aad9644 --- /dev/null +++ b/Emulator/Make.cs @@ -0,0 +1,58 @@ +namespace Q1.Emulator; + +using System; +using System.Buffers.Binary; + +public static class Make +{ + public static u16 u16(u8 high, u8 low) + { + return (u16) ((high << 8) | low); + } + + public static u16 u16(ref8 data) + { + if (data.Length < 2) + throw new ArgumentException("Data must contain at least 2 bytes to form a u16."); + + return Make.u16(data[0], data[1]); + } + + public static u32 u32(u8 b1, u8 b2, u8 b3, u8 b4) + { + return (u32) ((b1 << 24) | (b2 << 16) | (b3 << 8) | b4); + } + + public static u32 u32(ref8 data) + { + if (data.Length < 4) + throw new ArgumentException("Data must contain at least 4 bytes to form a u32."); + + return Make.u32(data[0], data[1], data[2], data[3]); + } + + public static ref8 ref8(u16 value) + { + u8 high = (u8) (value >> 8); + u8 low = (u8) (value & 0xFF); + return new ref8([high, low], 0, 2); + } + + public static ref8 ref8(u32 value) + { + u8 b1 = (u8) (value >> 24); + u8 b2 = (u8) (value >> 16); + u8 b3 = (u8) (value >> 8); + u8 b4 = (u8) (value & 0xFF); + return new ref8([b1, b2, b3, b4], 0, 4); + } + public static i16 i16(ref8 value) + { + return BinaryPrimitives.ReadInt16BigEndian(value); + } + + public static i16 i16(u8 high, u8 low) + { + return BinaryPrimitives.ReadInt16BigEndian(new ReadOnlySpan<u8>([high, low])); + } +}
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