From d6a74e44936c3adc2bc232bfb0ab461d775f48fa Mon Sep 17 00:00:00 2001 From: feos Date: Sun, 2 Feb 2020 18:31:39 +0300 Subject: [PATCH] mame: test --- BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs | 26 ++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs b/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs index 6db086e2f5..b56e502935 100644 --- a/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs +++ b/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs @@ -565,6 +565,22 @@ namespace BizHawk.Emulation.Cores.Arcades.MAME } else if (!_frameDone) { + IntPtr ptr = LibMAME.mame_lua_get_string(MAMELuaCommand.GetSpaceBuffer, out var lengthInBytes); + + if (ptr == IntPtr.Zero) + { + Console.WriteLine("LibMAME ERROR: audio buffer pointer is null"); + return; + } + + //byte[] buf = new byte[lengthInBytes]; + //Marshal.Copy(ptr, buf, 0, lengthInBytes); + + if (!LibMAME.mame_lua_free_string(ptr)) + { + Console.WriteLine("LibMAME ERROR: audio buffer wasn't freed"); + } + Update(); _frameDone = true; _mameFrameComplete.Set(); @@ -695,6 +711,16 @@ namespace BizHawk.Emulation.Cores.Arcades.MAME public const string GetSpaceAddressShift = "return manager:machine().devices[\":maincpu\"].spaces[\"program\"].shift"; public const string GetSpaceDataWidth = "return manager:machine().devices[\":maincpu\"].spaces[\"program\"].data_width"; public const string GetSpaceEndianness = "return manager:machine().devices[\":maincpu\"].spaces[\"program\"].endianness"; + public const string GetSpaceBuffer = + "local space = manager:machine().devices[\":maincpu\"].spaces[\"program\"]" + + "local address_shift = space.shift " + + "local data_width = space.data_width " + + "local bit_step " + + "if address_shift == 0 then bit_step = data_width " + + "elseif address_shift > 0 then bit_step = data_width << address_shift " + + "elseif address_shift< 0 then bit_step = 8 " + + "end " + + "return space:read_range(0, 0xfffffff, space.data_width, math.floor(bit_step / 8))"; // complex stuff public const string GetBoundX =