97 lines
2.5 KiB
C#
97 lines
2.5 KiB
C#
using System;
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using BizHawk.Common;
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namespace BizHawk.Emulation.Cores.Nintendo.SNES
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{
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unsafe partial class LibsnesApi
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{
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bool Handle_SIG(eMessage msg)
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{
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using (_exe.EnterExit())
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{
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switch (msg)
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{
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default:
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return false;
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case eMessage.eMessage_SIG_video_refresh:
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{
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int width = _comm->width;
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int height = _comm->height;
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video_refresh?.Invoke((int*)_comm->ptr, width, height);
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break;
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}
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case eMessage.eMessage_SIG_input_poll:
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break;
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case eMessage.eMessage_SIG_input_state:
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{
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int port = _comm->port;
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int device = _comm->device;
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int index = _comm->index;
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int id = (int)_comm->id;
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if (input_state != null)
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_comm->value = (uint)input_state(port, device, index, id);
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break;
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}
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case eMessage.eMessage_SIG_input_notify:
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{
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input_notify?.Invoke(_comm->index);
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break;
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}
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case eMessage.eMessage_SIG_audio_flush:
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{
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uint nsamples = _comm->size;
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if (audio_sample != null)
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{
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ushort* audiobuffer = ((ushort*)_comm->ptr);
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for (uint i = 0; i < nsamples;)
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{
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ushort left = audiobuffer[i++];
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ushort right = audiobuffer[i++];
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audio_sample(left, right);
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}
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}
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break;
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}
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case eMessage.eMessage_SIG_path_request:
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{
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int slot = _comm->slot;
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string hint = _comm->GetAscii();
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string ret = hint;
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if (pathRequest != null)
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hint = pathRequest(slot, hint);
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CopyAscii(0, hint);
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break;
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}
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case eMessage.eMessage_SIG_trace_callback:
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{
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traceCallback?.Invoke(_comm->value, _comm->GetAscii());
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break;
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}
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case eMessage.eMessage_SIG_allocSharedMemory:
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{
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// NB: shared memory blocks are allocated on the unmanaged side
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var name = _comm->GetAscii();
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var size = _comm->size;
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var ptr = _comm->ptr;
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if (_sharedMemoryBlocks.ContainsKey(name))
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throw new InvalidOperationException("Re-defined a shared memory block. Check bsnes init/shutdown code. Block name: " + name);
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_sharedMemoryBlocks.Add(name, (IntPtr)ptr);
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break;
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}
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case eMessage.eMessage_SIG_freeSharedMemory:
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throw new InvalidOperationException("Unexpected call: SIG_freeSharedMemory");
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} //switch(msg)
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_core.Message(eMessage.eMessage_Resume);
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return true;
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}
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}
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}
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}
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