uae: swapper

src/BizHawk.Emulation.Cores/Computers/Amiga/LibPUAE.cs

@@ -8,13 +8,14 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 {
 	public abstract class LibPUAE : LibWaterboxCore
 	{
-		public const int PAL_WIDTH    = 720;
+		public const int PAL_WIDTH = 720;
-		public const int PAL_HEIGHT   = 576;
+		public const int PAL_HEIGHT = 576;
-		public const int NTSC_WIDTH   = 720;
+		public const int NTSC_WIDTH = 720;
-		public const int NTSC_HEIGHT  = 480;
+		public const int NTSC_HEIGHT = 480;
 		public const int FASTMEM_AUTO = -1;
 		public const int MAX_FLOPPIES = 4;
-		public const int KEY_COUNT    = 0x68;
+		public const int FILENAME_MAXLENGTH = 64;
+		public const int KEY_COUNT = 0x68;
 
 		[BizImport(CC, Compatibility = true)]
 		public abstract bool Init(int argc, string[] argv);
@@ -27,11 +28,24 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 			public int MouseX;
 			public int MouseY;
 			public KeyBuffer Keys;
-
 			public struct KeyBuffer
 			{
 				public unsafe fixed byte Buffer[LibPUAE.KEY_COUNT];
 			}
+			public int CurrentDrive;
+			public DriveAction Action;
+			public FileName Name;
+			public struct FileName
+			{
+				public unsafe fixed byte Buffer[LibPUAE.FILENAME_MAXLENGTH];
+			}
+		}
+
+		public enum DriveAction : int
+		{
+			NONE,
+			EJECT,
+			INSERT
 		}
 
 		[Flags]
@@ -46,23 +60,6 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 			Joystick_Button_3 = 1 << 6
 		}
 
-		public enum DiscAction
-		{
-			Eject,
-			Insert
-		}
-
-		[Flags]
-		public enum DiskControl : byte
-		{
-			FloppyDrive0 = 1 << 0,
-			FloppyDrive1 = 1 << 1,
-			FloppyDrive2 = 1 << 2,
-			FloppyDrive3 = 1 << 3,
-			CdDrive      = 1 << 4,
-			Trigger      = 1 << 5
-		}
-
 		// https://wiki.amigaos.net/wiki/Keymap_Library
 		public enum PUAEKeyboard : int
 		{

src/BizHawk.Emulation.Cores/Computers/Amiga/PUAE.cs

@@ -8,6 +8,7 @@ using BizHawk.Emulation.DiscSystem;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text;
 
 namespace BizHawk.Emulation.Cores.Computers.Amiga
 {
@@ -27,6 +28,8 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 		private int _currentDrive = 0;
 		private int _currentSlot = 0;
 		private byte[] _currentRom;
+		private bool _ejectPressed = false;
+		private bool _insertPressed = false;
 		private bool _nextSlotPressed = false;
 		private bool _nextDrivePressed = false;
 
@@ -64,12 +67,15 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 				SkipMemoryConsistencyCheck = lp.Comm.CorePreferences.HasFlag(CoreComm.CorePreferencesFlags.WaterboxMemoryConsistencyCheck),
 			});
 
-			for (var index = 0; index < Math.Min(Math.Min(
+			for (var index = 0; index < lp.Roms.Count; index++)
-				lp.Roms.Count, LibPUAE.MAX_FLOPPIES), _syncSettings.FloppyDrives); index++)
 			{
 				_exe.AddReadonlyFile(lp.Roms[index].FileData, FileNames.FD + index);
-				AppendSetting($"floppy{ index }={ FileNames.FD }{ index }");
+
-				AppendSetting($"floppy{ index }type={ (int)DriveType.DRV_35_DD }");
+				if (index < Math.Min(LibPUAE.MAX_FLOPPIES, _syncSettings.FloppyDrives))
+				{
+					AppendSetting($"floppy{index}={FileNames.FD}{index}");
+					AppendSetting($"floppy{index}type={(int)DriveType.DRV_35_DD}");
+				}
 			}
 
 			var (kickstartData, kickstartInfo) = CoreComm.CoreFileProvider.GetFirmwareWithGameInfoOrThrow(
@@ -123,7 +129,7 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 
 			controller.BoolButtons.AddRange(new List<string>
 			{
-				Inputs.EJ, Inputs.INS, Inputs.ND, Inputs.NS
+				Inputs.Eject, Inputs.Insert, Inputs.NextDrive, Inputs.NextSlot
 			});
 
 			foreach (var b in Enum.GetValues(typeof(LibPUAE.PUAEKeyboard)))
@@ -140,7 +146,8 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 		{
 			var fi = new LibPUAE.FrameInfo
 			{
-				MouseButtons = 0
+				MouseButtons = 0,
+				Action = LibPUAE.DriveAction.NONE
 			};
 
 			foreach (var b in Enum.GetValues(typeof(LibPUAE.PUAEJoystick)))
@@ -164,7 +171,30 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 				fi.MouseButtons |= 1 << 2;
 			}
 
-			if (controller.IsPressed(Inputs.NS))
+			if (controller.IsPressed(Inputs.Eject))
+			{
+				if (!_ejectPressed)
+				{
+					fi.Action = LibPUAE.DriveAction.EJECT;
+				}
+			}
+			else if (controller.IsPressed(Inputs.Insert))
+			{
+				if (!_insertPressed)
+				{
+					fi.Action = LibPUAE.DriveAction.INSERT;
+					unsafe
+					{
+						string str = FileNames.FD + _currentSlot;
+						fixed(char* filename = str)
+						fixed (byte* buffer = fi.Name.Buffer)
+						{
+							Encoding.ASCII.GetBytes(filename, str.Length, buffer, LibPUAE.FILENAME_MAXLENGTH);
+						}
+					}
+				}
+			}
+			if (controller.IsPressed(Inputs.NextSlot))
 			{
 				if (!_nextSlotPressed)
 				{
@@ -175,7 +205,7 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 					_comm.Notify(selectedFile.Game.Name, null);
 				}
 			}
-			if (controller.IsPressed(Inputs.ND))
+			if (controller.IsPressed(Inputs.NextDrive))
 			{
 				if (!_nextDrivePressed)
 				{
@@ -184,8 +214,12 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 					_comm.Notify($"Selected FD{ _currentDrive } Drive", null);
 				}
 			}
-			_nextSlotPressed  = controller.IsPressed(Inputs.NS);
+			_ejectPressed     = controller.IsPressed(Inputs.Eject);
-			_nextDrivePressed = controller.IsPressed(Inputs.ND);
+			_insertPressed    = controller.IsPressed(Inputs.Insert);
+			_nextSlotPressed  = controller.IsPressed(Inputs.NextSlot);
+			_nextDrivePressed = controller.IsPressed(Inputs.NextDrive);
+			
+			fi.CurrentDrive = _currentDrive;
 
 			fi.MouseX = controller.AxisValue(Inputs.X);
 			fi.MouseY = controller.AxisValue(Inputs.Y);
@@ -208,12 +242,16 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 
 		protected override void SaveStateBinaryInternal(BinaryWriter writer)
 		{
+			writer.Write(_ejectPressed);
+			writer.Write(_insertPressed);
 			writer.Write(_nextSlotPressed);
 			writer.Write(_nextDrivePressed);
 		}
 
 		protected override void LoadStateBinaryInternal(BinaryReader reader)
 		{
+			_ejectPressed = reader.ReadBoolean();
+			_insertPressed = reader.ReadBoolean();
 			_nextSlotPressed = reader.ReadBoolean();
 			_nextDrivePressed = reader.ReadBoolean();
 		}
@@ -230,12 +268,12 @@ namespace BizHawk.Emulation.Cores.Computers.Amiga
 			public const string MLB = "Mouse Left Button";
 			public const string MRB = "Mouse Right Button";
 			public const string MMB = "Mouse Middle Button";
-			public const string X   = "Mouse X";
+			public const string X = "Mouse X";
-			public const string Y   = "Mouse Y";
+			public const string Y = "Mouse Y";
-			public const string EJ  = "Eject";
+			public const string Eject = "Eject";
-			public const string INS = "Insert";
+			public const string Insert = "Insert";
-			public const string ND  = "Next Drive";
+			public const string NextDrive = "Next Drive";
-			public const string NS  = "Next Slot";
+			public const string NextSlot = "Next Slot";
 		}
 	}
 }

waterbox/uae/bizhawk.c

@@ -48,14 +48,21 @@ ECL_EXPORT void FrameAdvance(MyFrameInfo* f)
 	setmousestate(      PORT_0, AXIS_VERTICAL,   f->MouseY - last_mouse_y, MOUSE_RELATIVE);
 
 	for (int i = 0; i < KEY_COUNT; i++)
-	{
 		if (f->Keys[i] != last_key_state[i])
-		{
 			inputdevice_do_keyboard(i, f->Keys[i]);
-		}
-	}
 	memcpy(last_key_state, f->Keys, KEY_COUNT);
 
+	if (f->Action == ACTION_EJECT)
+	{
+		disk_eject(f->CurrentDrive);
+		log_cb(RETRO_LOG_INFO, "EJECTED FD%d\n", f->CurrentDrive);
+	}
+	else if (f->Action == ACTION_INSERT)
+	{
+		disk_insert_force(f->CurrentDrive, f->FileName, true);
+		log_cb(RETRO_LOG_INFO, "INSERTED FD%d: \"%s\"\n", f->CurrentDrive, f->FileName);
+	}
+
 	m68k_go(1, 1);
 	upload_output_audio_buffer();
 	f->base.Samples = sound_sample_count;

waterbox/uae/bizhawk.h

@@ -21,6 +21,7 @@
 
 #include "libretro/libretro-core.h"
 
+static const int FILENAME_MAXLENGTH = 4;
 static const int KEY_COUNT = 0x68;
 
 int16_t* sound_buffer = NULL;
@@ -38,6 +39,8 @@ extern int umain(int argc, char **argv);
 extern int m68k_go(int may_quit, int resume);
 extern void init_output_audio_buffer(int32_t capacity);
 extern void upload_output_audio_buffer();
+extern void disk_eject(int num);
+extern void disk_insert_force (int num, const TCHAR *name, bool forcedwriteprotect);
 
 enum Axis
 {
@@ -77,6 +80,13 @@ enum AudioChannels
 	AUDIO_STEREO
 };
 
+enum DriveAction
+{
+	ACTION_NONE,
+	ACTION_EJECT,
+	ACTION_INSERT
+};
+
 typedef union
 {
     struct
@@ -100,6 +110,9 @@ typedef struct
 	int MouseX;
 	int MouseY;
 	char Keys[KEY_COUNT];
+	int CurrentDrive;
+	int Action;
+	char FileName[FILENAME_MAXLENGTH];
 } MyFrameInfo;
 
 size_t biz_audio_cb(const int16_t *data, size_t frames)