/*
 *		Copyright (C) 1996 by Sony Computer Entertainment Inc.
 *				All rights Reserved
 *
 *			pad.h: PadRead() access macro
 *
 *                     Modified by James Banks - 1/1/98
 */
 #include<libps.h>
 
 /* Definitions for True or False */
#define TRUE		1
#define FALSE	0

/* Definitions for Port One and Two */
#define PORT_ONE	0
#define PORT_TWO	1

/* Definitions for the various controller types */
#define NO_CONTROLLER			0xF
#define MOUSE					0x1
#define NEGCON_CONTROLLER		0x2
#define STANDARD_PAD			0x4
#define ANALOGUE_JOYSTICK		0x5
#define ANALOGUE_PAD			0x7

/* Standard Pad input definitions */
#define PAD_Up		(1<<12)
#define PAD_Down		(1<<14)
#define PAD_Left		(1<<15)
#define PAD_Right		(1<<13)
#define PAD_Triangle	(1<< 4)
#define PAD_Cross   	(1<< 6)
#define PAD_Square	(1<< 7)
#define PAD_Circle		(1<< 5)
#define PADi       		(1<< 9)
#define PADj       		(1<<10)
#define PADk       		(1<< 8)
#define PADl       		(1<< 3)
#define PADm       		(1<< 1)
#define PADn       		(1<< 2)
#define PADo       		(1<< 0)
#define PADh       		(1<<11)
#define PADL1      		PADn
#define PADL2      		PADo
#define PADR1      		PADl
#define PADR2      		PADm
#define PADStart   		PADh
#define PADSelect  		PADk

/* Analogue Pad input definitions 
 *
 * The analogue pad uses the standard pad controls plus 2 additional stick controls.
 * The byte offsets are as follows 
*/
#define ANALOGUE_PAD_LEFT3X		6
#define ANALOGUE_PAD_LEFT3Y		7
#define ANALOGUE_PAD_RIGHT3X		4
#define ANALOGUE_PAD_RIGHT3Y		5

/* Analogue Joystick input definitions
 *
 * Again byte offsets for the x & y movements (same as analogue pad)
 */
 #define ANALOGUE_JOYSTICK_LEFTX	ANALOGUE_PAD_LEFT3X
 #define ANALOGUE_JOYSTICK_LEFTY	ANALOGUE_PAD_LEFT3Y
 #define ANALOGUE_JOYSTICK_RIGHTX	ANALOGUE_PAD_RIGHT3X
 #define ANALOGUE_JOYSTICK_RIGHTY	ANALOGUE_PAD_RIGHT3Y
 
 /* Button definitions for Analogue joystick */
 #define ANALOGUE_JOYSTICK_L1		Padm
 #define ANALOGUE_JOYSTICK_L2		Pado
 #define ANALOGUE_JOYSTICK_R1		PAD_Triangle
 #define ANALOGUE_JOYSTICK_R2		PAD_Square
 #define ANALOGUE_JOYSTICK_Triangle	PADl
 #define ANALOGUE_JOYSTICK_Circle		PAD_Circle
 #define ANALOGUE_JOYSTICK_Cross	PAD_Cross
 #define ANALOGUE_JOYSTICK_Square	PADn
 
 /* Low level port buffers - DO NOT TOUCH */
 volatile u_char* ControllerPadBuffer[2];
 
 /* Controller pad functions */
 int SetPadBuffers(void)
 {
 	GetPadBuf(&ControllerPadBuffer[0], &ControllerPadBuffer[1]);
 	return(1);
 }
 
 /* Checks if a controller is attached to the port
  *
  * Returns True if a controller is connected
  */
 u_char CheckControllerConnected(u_char port)
 {
 	u_char connected_value = *(ControllerPadBuffer[port]);
 	
 	switch(connected_value){
 		case 0:
 			return TRUE;
 		default:
 			return FALSE;
 	}
 }
 
 /* Identifies which type of controller is attached to the port.
  *
  * This should match one of the defined controller types.
  */
 u_char ControllerType(u_char port)
 {
 	return(*(ControllerPadBuffer[port]+1)>>4);
 }
 
 /* Returns the input from a STANDARD PAD attached */
 u_short PadRead(u_char port)
 {
 	return ~(*(ControllerPadBuffer[port]+2) << 8 | *(ControllerPadBuffer[port]+3));
 }
 
 /* Returns the input from an ANALOGUE JOYSTICK / PAD */
 u_char AnalogueRead(u_char port, u_char byte)
 {
 	return(*(ControllerPadBuffer[port]+byte));
 }