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/*
* Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses>.
*
* this is only pure emulation code to handle analogs,
* extracted from dfinput.
*/
#include <stdint.h>
#include "../../libpcsxcore/psemu_plugin_defs.h"
enum {
ANALOG_LEFT = 0,
ANALOG_RIGHT,
ANALOG_TOTAL
};
enum {
CMD_READ_DATA_AND_VIBRATE = 0x42,
CMD_CONFIG_MODE = 0x43,
CMD_SET_MODE_AND_LOCK = 0x44,
CMD_QUERY_MODEL_AND_MODE = 0x45,
CMD_QUERY_ACT = 0x46, // ??
CMD_QUERY_COMB = 0x47, // ??
CMD_QUERY_MODE = 0x4C, // QUERY_MODE ??
CMD_VIBRATION_TOGGLE = 0x4D,
};
static struct {
uint8_t PadMode;
uint8_t PadID;
uint8_t ConfigMode;
PadDataS pad;
} padstate[2];
static uint8_t stdpar[2][8] = {
{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80},
{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}
};
static uint8_t unk46[2][8] = {
{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A},
{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A}
};
static uint8_t unk47[2][8] = {
{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00},
{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00}
};
static uint8_t unk4c[2][8] = {
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
static uint8_t unk4d[2][8] = {
{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
};
static uint8_t stdcfg[2][8] = {
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
static uint8_t stdmode[2][8] = {
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
static uint8_t stdmodel[2][8] = {
{0xFF,
0x5A,
0x01, // 03 - dualshock2, 01 - dualshock
0x02, // number of modes
0x01, // current mode: 01 - analog, 00 - digital
0x02,
0x01,
0x00},
{0xFF,
0x5A,
0x01, // 03 - dualshock2, 01 - dualshock
0x02, // number of modes
0x01, // current mode: 01 - analog, 00 - digital
0x02,
0x01,
0x00}
};
static uint8_t CurPad = 0, CurByte = 0, CurCmd = 0, CmdLen = 0;
static uint8_t *buf;
static uint8_t do_cmd(void)
{
PadDataS *pad = &padstate[CurPad].pad;
int pad_num = CurPad;
CmdLen = 8;
switch (CurCmd) {
case CMD_SET_MODE_AND_LOCK:
buf = stdmode[pad_num];
return 0xF3;
case CMD_QUERY_MODEL_AND_MODE:
buf = stdmodel[pad_num];
buf[4] = padstate[pad_num].PadMode;
return 0xF3;
case CMD_QUERY_ACT:
buf = unk46[pad_num];
return 0xF3;
case CMD_QUERY_COMB:
buf = unk47[pad_num];
return 0xF3;
case CMD_QUERY_MODE:
buf = unk4c[pad_num];
return 0xF3;
case CMD_VIBRATION_TOGGLE:
buf = unk4d[pad_num];
return 0xF3;
case CMD_CONFIG_MODE:
if (padstate[pad_num].ConfigMode) {
buf = stdcfg[pad_num];
return 0xF3;
}
// else FALLTHROUGH
case CMD_READ_DATA_AND_VIBRATE:
default:
buf = stdpar[pad_num];
buf[2] = pad->buttonStatus;
buf[3] = pad->buttonStatus >> 8;
if (padstate[pad_num].PadMode == 1) {
buf[4] = pad->rightJoyX;
buf[5] = pad->rightJoyY;
buf[6] = pad->leftJoyX;
buf[7] = pad->leftJoyY;
} else {
CmdLen = 4;
}
return padstate[pad_num].PadID;
}
}
static void do_cmd2(unsigned char value)
{
switch (CurCmd) {
case CMD_CONFIG_MODE:
padstate[CurPad].ConfigMode = value;
break;
case CMD_SET_MODE_AND_LOCK:
padstate[CurPad].PadMode = value;
padstate[CurPad].PadID = value ? 0x73 : 0x41;
break;
case CMD_QUERY_ACT:
switch (value) {
case 0: // default
buf[5] = 0x02;
buf[6] = 0x00;
buf[7] = 0x0A;
break;
case 1: // Param std conf change
buf[5] = 0x01;
buf[6] = 0x01;
buf[7] = 0x14;
break;
}
break;
case CMD_QUERY_MODE:
switch (value) {
case 0: // mode 0 - digital mode
buf[5] = PSE_PAD_TYPE_STANDARD;
break;
case 1: // mode 1 - analog mode
buf[5] = PSE_PAD_TYPE_ANALOGPAD;
break;
}
break;
}
}
static unsigned char PADpoll_(unsigned char value) {
if (CurByte == 0) {
CurCmd = value;
CurByte++;
// Don't enable Analog/Vibration for a standard pad
if (padstate[CurPad].pad.controllerType != PSE_PAD_TYPE_ANALOGPAD)
CurCmd = CMD_READ_DATA_AND_VIBRATE;
return do_cmd();
}
if (CurByte == 2)
do_cmd2(value);
if (CurByte >= CmdLen)
return 0;
return buf[CurByte++];
}
#if 0
#include <stdio.h>
static unsigned char PADpoll(unsigned char value) {
unsigned char b = CurByte, r = PADpoll_(value);
printf("poll[%d] %02x %02x\n", b, value, r);
return r;
}
#else
#define PADpoll PADpoll_
#endif
/* hack.. */
extern long (*PAD1_readPort1)(PadDataS *pad);
static unsigned char PADstartPoll1(int pad) {
CurPad = 0;
CurByte = 0;
PAD1_readPort1(&padstate[0].pad);
return 0xFF;
}
/* some more hacks here but oh well */
extern void *PAD1_startPoll, *PAD1_poll;
void dfinput_activate(int yes)
{
static void *old_start, *old_poll;
if (!yes) {
if (PAD1_startPoll == PADstartPoll1)
PAD1_startPoll = old_start;
if (PAD1_poll == PADpoll)
PAD1_poll = old_poll;
return;
}
if (PAD1_startPoll == PADstartPoll1 && PAD1_poll == PADpoll)
return;
old_start = PAD1_startPoll;
old_poll = PAD1_poll;
PAD1_startPoll = PADstartPoll1;
PAD1_poll = PADpoll;
PAD1_readPort1(&padstate[0].pad);
padstate[0].PadID = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41;
padstate[0].PadMode = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD;
padstate[1].PadID = 0x41;
padstate[1].PadMode = 0;
}
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