89 lines
1.9 KiB
C#
89 lines
1.9 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using BizHawk.Emulation.Common;
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using BizHawk.Emulation.Cores.Nintendo.NES;
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namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
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{
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public partial class QuickNES : INESPPUViewable
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{
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// todo: don't just call the callbacks at the end of frame; use the scanline info
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private Action _callBack1;
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private Action _callBack2;
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public int[] GetPalette() => _videoPalette;
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private byte R2000 => QN.qn_get_reg2000(Context);
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public bool BGBaseHigh => (R2000 & 0x10) != 0;
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public bool SPBaseHigh => (R2000 & 0x08) != 0;
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public bool SPTall => (R2000 & 0x20) != 0;
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private readonly byte[] ppubusbuf = new byte[0x3000];
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public byte[] GetPPUBus()
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{
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QN.qn_peek_ppubus(Context, ppubusbuf);
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return ppubusbuf;
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}
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private readonly byte[] palrambuf = new byte[0x20];
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public byte[] GetPalRam()
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{
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Marshal.Copy(QN.qn_get_palmem(Context), palrambuf, 0, 0x20);
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return palrambuf;
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}
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private readonly byte[] oambuf = new byte[0x100];
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public byte[] GetOam()
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{
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Marshal.Copy(QN.qn_get_oammem(Context), oambuf, 0, 0x100);
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return oambuf;
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}
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public byte PeekPPU(int addr)
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{
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return QN.qn_peek_ppu(Context, addr);
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}
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// we don't use quicknes's MMC5 at all, so these three methods are just stubs
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public byte[] GetExTiles()
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{
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throw new InvalidOperationException();
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}
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public bool ExActive => false;
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public byte[] GetExRam()
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{
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throw new InvalidOperationException();
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}
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public MemoryDomain GetCHRROM()
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{
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return _memoryDomains["CHR VROM"];
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}
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public void InstallCallback1(Action cb, int sl)
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{
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_callBack1 = cb;
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}
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public void InstallCallback2(Action cb, int sl)
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{
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_callBack2 = cb;
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}
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public void RemoveCallback1()
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{
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_callBack1 = null;
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}
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public void RemoveCallback2()
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{
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_callBack2 = null;
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}
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}
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}
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