41 lines
1.1 KiB
C#
41 lines
1.1 KiB
C#
// <copyright file="ObjectAttribute.cs" company="Adrian Conlon">
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// Copyright (c) Adrian Conlon. All rights reserved.
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// </copyright>
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namespace EightBit.GameBoy
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{
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public class ObjectAttribute
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{
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public ObjectAttribute()
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{
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}
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public ObjectAttribute(Ram ram, ushort address)
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{
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this.PositionY = ram.Peek(address);
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this.PositionX = ram.Peek(++address);
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this.Pattern = ram.Peek(++address);
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this.Flags = ram.Peek(++address);
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}
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public byte PositionY { get; }
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public byte PositionX { get; }
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public byte Pattern { get; }
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public byte Flags { get; }
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public int Priority => this.Flags & (byte)Bits.Bit7;
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public bool HighPriority => this.Priority != 0;
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public bool LowPriority => this.Priority == 0;
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public bool FlipY => (this.Flags & (byte)Bits.Bit6) != 0;
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public bool FlipX => (this.Flags & (byte)Bits.Bit5) != 0;
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public int Palette => (this.Flags & (byte)Bits.Bit4) >> 3; // TODO: Check this!
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}
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}
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