--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/joystick/amigaos/SDL_sysjoystick.c	Thu May 10 20:13:29 2001 +0000
@@ -0,0 +1,240 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* This is the system specific header for the SDL joystick API */
+
+#include <stdio.h>		/* For the definition of NULL */
+
+#include <libraries/lowlevel.h>
+#ifdef __SASC
+#include <proto/exec.h>
+#include <proto/lowlevel.h>
+#include <proto/graphics.h>
+#else
+#include <inline/exec.h>
+#include <inline/lowlevel.h>
+#include <inline/graphics.h>
+#endif
+#include "mydebug.h"
+
+extern struct ExecBase *SysBase;
+extern struct GfxBase *GfxBase;
+#include <stdlib.h>
+
+#include "SDL_error.h"
+#include "SDL_joystick.h"
+#include "SDL_sysjoystick.h"
+#include "SDL_joystick_c.h"
+
+/* Function to scan the system for joysticks.
+ * This function should set SDL_numjoysticks to the number of available
+ * joysticks.  Joystick 0 should be the system default joystick.
+ * It should return 0, or -1 on an unrecoverable fatal error.
+ */
+
+
+/* Amiga specific datas */
+struct Library *LowLevelBase=NULL;
+
+ULONG joybut[]=
+{
+	JPF_BUTTON_RED,
+	JPF_BUTTON_BLUE,
+	JPF_BUTTON_PLAY,
+	JPF_BUTTON_YELLOW,
+	JPF_BUTTON_GREEN,
+	JPF_BUTTON_FORWARD,
+	JPF_BUTTON_REVERSE,
+};
+
+struct joystick_hwdata 
+{
+	ULONG joystate;
+};
+
+int SDL_SYS_JoystickInit(void)
+{
+	if(!LowLevelBase)
+	{
+		if(LowLevelBase=OpenLibrary("lowlevel.library",37))
+			return 2;
+	}
+	else
+		return 2;
+
+	D(bug("%ld joysticks available.\n",SDL_numjoysticks));
+
+	return 0;
+}
+
+/* Function to get the device-dependent name of a joystick */
+const char *SDL_SYS_JoystickName(int index)
+{
+	if(index<2&&LowLevelBase)
+	{
+		switch(index)
+		{
+			case 0:
+				return "Port 1 Amiga Joystick/Joypad";
+			case 1:
+				return "Port 2 Amiga Joystick/Joypad";
+		}
+	}
+
+	SDL_SetError("No joystick available with that index");
+	return(NULL);
+}
+
+/* Function to open a joystick for use.
+   The joystick to open is specified by the index field of the joystick.
+   This should fill the nbuttons and naxes fields of the joystick structure.
+   It returns 0, or -1 if there is an error.
+ */
+
+int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
+{
+	ULONG temp,i;
+	D(bug("Opening joystick %ld\n",joystick->index));
+
+	if(!(joystick->hwdata=malloc(sizeof(struct joystick_hwdata))))
+		return -1;
+
+/* This loop is to check if the controller is a joypad */
+
+	for(i=0;i<20;i++)
+	{
+		temp=ReadJoyPort(joystick->index);
+		WaitTOF();
+	}
+
+	if((temp&JP_TYPE_MASK)==JP_TYPE_GAMECTLR)
+		joystick->nbuttons=7;
+	else
+		joystick->nbuttons=3;
+
+	joystick->nhats=0;
+	joystick->nballs=0;
+	joystick->naxes=2;
+	joystick->hwdata->joystate=0L;
+
+	return 0;
+}
+
+/* Function to update the state of a joystick - called as a device poll.
+ * This function shouldn't update the joystick structure directly,
+ * but instead should call SDL_PrivateJoystick*() to deliver events
+ * and update joystick device state.
+ */
+void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
+{
+	ULONG data;	
+	int i;
+
+	if(joystick->index<2)
+	{
+		data=ReadJoyPort(joystick->index);
+
+		if(data&JP_DIRECTION_MASK)
+		{
+			if(data&JPF_JOY_DOWN)
+			{
+				if(!(joystick->hwdata->joystate&JPF_JOY_DOWN))
+					SDL_PrivateJoystickAxis(joystick,0,127);
+			}
+			else if(data&JPF_JOY_UP)
+			{
+				if(!(joystick->hwdata->joystate&JPF_JOY_UP))
+					SDL_PrivateJoystickAxis(joystick,0,-127);
+			}
+			else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN))
+				SDL_PrivateJoystickAxis(joystick,0,0);
+
+			if(data&JPF_JOY_LEFT)
+			{
+				if(!(joystick->hwdata->joystate&JPF_JOY_LEFT))
+					SDL_PrivateJoystickAxis(joystick,1,-127);
+			}
+			else if(data&JPF_JOY_RIGHT)
+			{
+				if(!(joystick->hwdata->joystate&JPF_JOY_RIGHT))
+					SDL_PrivateJoystickAxis(joystick,1,127);
+			}
+			else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT))
+				SDL_PrivateJoystickAxis(joystick,1,0);
+		}
+		else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT))
+		{
+				SDL_PrivateJoystickAxis(joystick,1,0);
+		}
+		else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN))
+		{
+				SDL_PrivateJoystickAxis(joystick,0,0);
+		}
+
+		for(i=0;i<joystick->nbuttons;i++)
+		{
+			if( (data&joybut[i]) )
+			{
+				if(i==1)
+					data&=(~(joybut[2]));
+
+				if(!(joystick->hwdata->joystate&joybut[i]))
+					SDL_PrivateJoystickButton(joystick,i,SDL_PRESSED);
+			}
+			else if(joystick->hwdata->joystate&joybut[i])
+				SDL_PrivateJoystickButton(joystick,i,SDL_RELEASED);
+		}
+
+		joystick->hwdata->joystate=data;
+	}
+
+	return;
+}
+
+/* Function to close a joystick after use */
+void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
+{
+	if(joystick->hwdata)
+		free(joystick->hwdata);
+	return;
+}
+
+/* Function to perform any system-specific joystick related cleanup */
+
+void SDL_SYS_JoystickQuit(void)
+{
+	if(LowLevelBase)
+	{
+		CloseLibrary(LowLevelBase);
+		LowLevelBase=NULL;
+		SDL_numjoysticks=0;
+	}
+
+	return;
+}
+