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a2ece6f81b
Genesis-Plus-GX/source/gen_input.c
ekeeke31 cfa4a08211 fixed m68k 32 bits writes at memory boundaries 
fixed UKM3 memory map being incorrectly reseted
added LFO current steps to YM2612 context
fixed IO reinitialization in controllers menu
2009-08-09 09:33:48 +00:00

809 lines
22 KiB
C
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/***************************************************************************************
* Genesis Plus
* Peripheral Input Support
*
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald (original code)
* Eke-Eke (2007,2008,2009), additional code & fixes for the GCN/Wii port
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
****************************************************************************************/
#include "shared.h"
t_input input;
/*****************************************************************************
* LIGHTGUN specific functions
*
*****************************************************************************/
/* H counter values for a 256-pixel wide display (342 pixel max.) */
static const uint8 hc_256[171] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
0x90, 0x91, 0x92, 0x93,
0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
};
/* H counter values for a 320-pixel wide display (420 pixels max.) */
static const uint8 hc_320[210] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED,
0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD,
0xFE, 0xFF
};
static inline void lightgun_reset(int num)
{
input.analog[num][0] = bitmap.viewport.w >> 1;
input.analog[num][1] = bitmap.viewport.h >> 1;
}
static inline void lightgun_update(int num)
{
if ((input.analog[num][1] == v_counter + input.y_offset))
{
/* HL enabled ? */
if (io_reg[5] & 0x80)
{
/* External Interrupt ? */
if (reg[11] & 0x08) irq_status = (irq_status & ~0x40) | 0x12;
/* Horizontal Counter Latch:
1) some games does not set HVC latch but instead use bigger X offset
2) for games using H40 mode, the gun routine scales up the Hcounter value,
H-Counter range is approx. 292 pixel clocks
*/
hc_latch = 0x100;
if (reg[12] & 1) hc_latch |= hc_320[((input.analog[num][0] * 290) / (2 * 320) + input.x_offset) % 210];
else hc_latch |= hc_256[(input.analog[num][0] / 2 + input.x_offset)%171];
}
}
}
/* Sega Menacer specific */
uint32 menacer_read(void)
{
/* pins should return 0 by default (fix Body Count when mouse is enabled) */
int retval = 0x00;
if (input.pad[4] & INPUT_B) retval |= 0x01;
if (input.pad[4] & INPUT_A) retval |= 0x02;
if (input.pad[4] & INPUT_C) retval |= 0x04;
if (input.pad[4] & INPUT_START) retval |= 0x08;
return retval;
}
/* Konami Justifier specific */
uint32 justifier_read(void)
{
/* TL & TR pins should always return 1 (write only) */
/* LEFT & RIGHT pins should always return 0 (needed during gun detection) */
int retval = 0x73;
switch (io_reg[2])
{
case 0x40: /* gun detection */
return 0x30;
case 0x00: /* gun #1 enabled */
if (input.pad[4] & INPUT_A) retval &= ~0x01;
if (input.pad[4] & INPUT_START) retval &= ~0x02;
return retval;
case 0x20: /* gun #2 enabled */
if (input.pad[5] & INPUT_A) retval &= ~0x01;
if (input.pad[5] & INPUT_START) retval &= ~0x02;
return retval;
default: /* guns disabled */
return retval;
}
}
/*****************************************************************************
* SEGA MOUSE specific functions
*
*****************************************************************************/
static struct mega_mouse
{
uint8 State;
uint8 Counter;
uint8 Wait;
uint8 Port;
} mouse;
static inline void mouse_reset(void)
{
mouse.State = 0x60;
mouse.Counter = 0;
mouse.Wait = 0;
mouse.Port = (input.system[0] == SYSTEM_MOUSE) ? 0 : 4;
}
void mouse_write(uint32 data)
{
if (mouse.Counter == 0)
{
/* TH 1->0 transition */
if ((mouse.State&0x40) && !(data&0x40))
{
/* start acquisition */
mouse.Counter = 1;
}
}
else
{
/* TR transition */
if ((mouse.State&0x20) != (data&0x20))
{
mouse.Counter ++; /* increment phase */
mouse.Wait = 1; /* mouse latency */
if (mouse.Counter > 9) mouse.Counter = 9;
}
}
/* end of acquisition (TH=1) */
if (data&0x40) mouse.Counter = 0;
/* update internal state */
mouse.State = data;
}
uint32 mouse_read()
{
int temp = 0x00;
switch (mouse.Counter)
{
case 0: /* initial */
temp = 0x00;
break;
case 1: /* xxxx1011 */
temp = 0x0B;
break;
case 2: /* xxxx1111 */
temp = 0x0F;
break;
case 3: /* xxxx1111 */
temp = 0x0F;
break;
case 4: /* Axis sign and overflow */
if (input.analog[2][0] < 0) temp |= 0x01;
if (input.analog[2][1] < 0) temp |= 0x02;
if (abs(input.analog[2][0]) > 255) temp |= 0x04;
if (abs(input.analog[2][1]) > 255) temp |= 0x08;
break;
case 5: /* Buttons state */
if (input.pad[mouse.Port] & INPUT_A) temp |= 0x01;
if (input.pad[mouse.Port] & INPUT_C) temp |= 0x02;
if (input.pad[mouse.Port] & INPUT_B) temp |= 0x04;
if (input.pad[mouse.Port] & INPUT_START) temp |= 0x08;
break;
case 6: /* X Axis MSB */
temp = (input.analog[2][0] >> 4) & 0x0f;
break;
case 7: /* X Axis LSB */
temp = (input.analog[2][0] & 0x0f);
break;
case 8: /* Y Axis MSB */
temp = (input.analog[2][1] >> 4) & 0x0f;
break;
case 9: /* Y Axis LSB */
temp = (input.analog[2][1] & 0x0f);
break;
}
/* TR-TL handshaking */
if (mouse.Wait)
{
/* wait before ACK, fix some buggy mouse routine (Shangai 2, Wack World,...) */
mouse.Wait = 0;
/* TL = !TR */
temp |= (~mouse.State & 0x20) >> 1;
}
else
{
/* TL = TR */
temp |= (mouse.State & 0x20) >> 1;
}
return temp;
}
/*****************************************************************************
* GAMEPAD specific functions (2PLAYERS/4WAYPLAY)
*
*****************************************************************************/
static struct pad
{
uint8 State;
uint8 Counter;
uint8 Delay;
} gamepad[MAX_DEVICES];
static inline void gamepad_raz(uint32 i)
{
gamepad[i].Counter = 0;
gamepad[i].Delay = 0;
}
static inline void gamepad_reset(uint32 i)
{
gamepad[i].State = 0x40;
if (input.dev[i] == DEVICE_6BUTTON) gamepad_raz(i);
}
static inline void gamepad_update(uint32 i)
{
if (gamepad[i].Delay++ > 25) gamepad_raz(i);
}
static inline uint32 gamepad_read(uint32 i)
{
int control;
int retval = 0x7F;
control = (gamepad[i].State & 0x40) >> 6; /* current TH state */
if (input.dev[i] == DEVICE_6BUTTON)
{
control += (gamepad[i].Counter & 3) << 1; /* TH transitions counter */
}
switch (control)
{
case 1: /*** First High ***/
case 3: /*** Second High ***/
case 5: /*** Third High ***/
/* TH = 1 : ?1CBRLDU */
if (input.pad[i] & INPUT_C) retval &= ~0x20;
if (input.pad[i] & INPUT_B) retval &= ~0x10;
if (input.pad[i] & INPUT_UP) retval &= ~0x01;
if (input.pad[i] & INPUT_DOWN) retval &= ~0x02;
if (input.pad[i] & INPUT_LEFT) retval &= ~0x04;
if (input.pad[i] & INPUT_RIGHT) retval &= ~0x08;
break;
case 0: /*** First low ***/
case 2: /*** Second low ***/
/* TH = 0 : ?0SA00DU */
if (input.pad[i] & INPUT_A) retval &= ~0x10;
if (input.pad[i] & INPUT_START) retval &= ~0x20;
if (input.pad[i] & INPUT_UP) retval &= ~0x01;
if (input.pad[i] & INPUT_DOWN) retval &= ~0x02;
retval &= 0xB3;
break;
/* 6buttons specific (taken from gen-hw.txt) */
/* A 6-button gamepad allows the extra buttons to be read based on how */
/* many times TH is switched from 1 to 0 (and not 0 to 1). Observe the */
/* following sequence */
/*
TH = 1 : ?1CBRLDU 3-button pad return value
TH = 0 : ?0SA00DU 3-button pad return value
TH = 1 : ?1CBRLDU 3-button pad return value
TH = 0 : ?0SA0000 D3-0 are forced to '0'
TH = 1 : ?1CBMXYZ Extra buttons returned in D3-0
TH = 0 : ?0SA1111 D3-0 are forced to '1'
*/
case 4: /*** Third Low ***/
/* TH = 0 : ?0SA0000 D3-0 are forced to '0'*/
if (input.pad[i] & INPUT_A) retval &= ~0x10;
if (input.pad[i] & INPUT_START) retval &= ~0x20;
retval &= 0xB0;
break;
case 6: /*** Fourth Low ***/
/* TH = 0 : ?0SA1111 D3-0 are forced to '1'*/
if (input.pad[i] & INPUT_A) retval &= ~0x10;
if (input.pad[i] & INPUT_START) retval &= ~0x20;
retval &= 0xBF;
break;
case 7: /*** Fourth High ***/
/* TH = 1 : ?1CBMXYZ Extra buttons returned in D3-0*/
if (input.pad[i] & INPUT_X) retval &= ~0x04;
if (input.pad[i] & INPUT_Y) retval &= ~0x02;
if (input.pad[i] & INPUT_Z) retval &= ~0x01;
if (input.pad[i] & INPUT_B) retval &= ~0x10;
if (input.pad[i] & INPUT_C) retval &= ~0x20;
if (input.pad[i] & INPUT_MODE) retval &= ~0x08;
break;
default:
break;
}
/* bit7 is latched */
return retval;
}
static inline void gamepad_write(uint32 i, uint32 data)
{
if (input.dev[i] == DEVICE_6BUTTON)
{
/* TH=0 to TH=1 transition */
if (!(gamepad[i].State & 0x40) && (data & 0x40))
{
gamepad[i].Counter++;
gamepad[i].Delay = 0;
}
}
gamepad[i].State = data;
}
/*****************************************************************************
* TEAMPLAYER adapter
*
*****************************************************************************/
static struct teamplayer
{
uint8 State;
uint8 Counter;
uint8 Table[12];
} teamplayer[2];
static inline void teamplayer_init(uint32 port)
{
int i;
int index = 0;
int pad_input = 0;
/* this table determines which gamepad input should be returned during acquisition sequence
index = teamplayer read table index: 0=1st read, 1=2nd read, ...
pad_input = gamepad input 0-14: 0=P1_DIR, 1=P1_SABC, 2=P1_MXYZ, 4=P2_DIR, 5=P2_SABC, ...
*/
for (i=0; i<4; i++)
{
if (input.dev[(4*port) + i] == DEVICE_3BUTTON)
{
teamplayer[port].Table[index++] = pad_input;
teamplayer[port].Table[index++] = pad_input + 1;
}
else if (input.dev[(4*port) + i] == DEVICE_6BUTTON)
{
teamplayer[port].Table[index++] = pad_input;
teamplayer[port].Table[index++] = pad_input + 1;
teamplayer[port].Table[index++] = pad_input + 2;
}
pad_input += 4;
}
}
static inline void teamplayer_reset(uint32 port)
{
teamplayer[port].State = 0x60; /* TH = 1, TR = 1 */
teamplayer[port].Counter = 0;
}
/* SEGA teamplayer returns successively:
- PAD1 inputs
- PAD2 inputs
- PAD3 inputs
- PAD4 inputs
Each PAD inputs is obtained through 2 or 3 sequential reads:
1/ DIR buttons
2/ START,A,C,B buttons
3/ MODE, X,Y,Z buttons (6Button only !)
*/
static inline uint32 teamplayer_read_device(uint32 port, uint32 index)
{
int retval = 0x7F;
int pad_input = teamplayer[port].Table[index] & 0x03;
int pad_num = (4 * port) + ((teamplayer[port].Table[index] >> 2) & 0x03);
switch (pad_input)
{
case 0:
/* Directions Buttons */
if (input.pad[pad_num] & INPUT_UP) retval &= ~0x01;
if (input.pad[pad_num] & INPUT_DOWN) retval &= ~0x02;
if (input.pad[pad_num] & INPUT_LEFT) retval &= ~0x04;
if (input.pad[pad_num] & INPUT_RIGHT) retval &= ~0x08;
break;
case 1:
/* S,A,C,B Buttons */
if (input.pad[pad_num] & INPUT_B) retval &= ~0x01;
if (input.pad[pad_num] & INPUT_C) retval &= ~0x02;
if (input.pad[pad_num] & INPUT_A) retval &= ~0x04;
if (input.pad[pad_num] & INPUT_START) retval &= ~0x08;
break;
case 2:
/* M,X,Y,Z Buttons (6-Buttons only)*/
if (input.pad[pad_num] & INPUT_Z) retval &= ~0x01;
if (input.pad[pad_num] & INPUT_Y) retval &= ~0x02;
if (input.pad[pad_num] & INPUT_X) retval &= ~0x04;
if (input.pad[pad_num] & INPUT_MODE) retval &= ~0x08;
break;
}
return retval;
}
static inline uint32 teamplayer_read(uint32 port)
{
int retval = 0x7F;
int padnum;
switch (teamplayer[port].Counter) /* acquisition sequence steps */
{
case 0: /* initial state: TH = 1, TR = 1 */
retval = 0x73;
break;
case 1: /* start request: TH = 0, TR = 1 */
retval = 0x3F;
break;
case 2:
case 3: /* ack request: TH=0, TR handshake */
retval = 0x00;
break;
case 4:
case 5:
case 6:
case 7: /* gamepads type */
padnum = (4 * port) + teamplayer[port].Counter - 4;
retval = input.dev[padnum];
break;
default: /* gamepads inputs acquisition */
retval = teamplayer_read_device(port, teamplayer[port].Counter - 8);
break;
}
/* TL must match TR state */
retval &= ~0x10;
if (teamplayer[port].State & 0x20) retval |= 0x10;
return retval;
}
static inline void teamplayer_write(uint32 port, uint32 data)
{
int old_state = teamplayer[port].State;
teamplayer[port].State = (data & io_reg[port+4]) | (teamplayer[port].State & ~io_reg[port+4]);
if (old_state != teamplayer[port].State) teamplayer[port].Counter ++;
if ((data&0x60) == 0x60) teamplayer[port].Counter = 0;
}
/*****************************************************************************
* 4WAYPLAY adapter
*
*****************************************************************************/
static inline void wayplay_write(uint32 port, uint32 data)
{
if (port == 0) gamepad_write(input.current, data);
else input.current = (data >> 4) & 0x07;
}
static inline uint32 wayplay_read(uint32 port)
{
if (port == 1) return 0x7F;
if (input.current >= 4) return 0x70; /* multitap detection (TH2 = 1) */
return gamepad_read(input.current); /* 0x0C = Pad1, 0x1C = Pad2, ... */
}
/*****************************************************************************
* I/O wrappers
*
*****************************************************************************/
uint32 gamepad_1_read (void)
{
return gamepad_read(0);
}
uint32 gamepad_2_read (void)
{
return gamepad_read(4);
}
void gamepad_1_write (uint32 data)
{
gamepad_write(0, data);
}
void gamepad_2_write (uint32 data)
{
gamepad_write(4, data);
}
uint32 wayplay_1_read (void)
{
return wayplay_read(0);
}
uint32 wayplay_2_read (void)
{
return wayplay_read(1);
}
void wayplay_1_write (uint32 data)
{
wayplay_write(0, data);
}
void wayplay_2_write (uint32 data)
{
wayplay_write(1, data);
}
uint32 teamplayer_1_read (void)
{
return teamplayer_read(0);
}
uint32 teamplayer_2_read (void)
{
return teamplayer_read(1);
}
void teamplayer_1_write (uint32 data)
{
teamplayer_write(0, data);
}
void teamplayer_2_write (uint32 data)
{
teamplayer_write(1, data);
}
uint32 jcart_read(uint32 address)
{
return (gamepad_read(5) | ((gamepad_read(6)&0x3f) << 8)); /* fixes Micro Machines 2 */
}
void jcart_write(uint32 address, uint32 data)
{
gamepad_write(5, (data&1) << 6);
gamepad_write(6, (data&1) << 6);
return;
}
/*****************************************************************************
* Generic INPUTS Control
*
*****************************************************************************/
void input_init(void)
{
int i,j;
input.max = 0;
for (i=0; i<MAX_DEVICES; i++)
{
input.dev[i] = NO_DEVICE;
input.pad[i] = 0;
}
switch (input.system[0])
{
case SYSTEM_GAMEPAD:
if (input.max == MAX_INPUTS) return;
input.dev[0] = config.input[input.max].padtype;
input.max ++;
break;
case SYSTEM_MOUSE:
if (input.max == MAX_INPUTS) return;
input.dev[0] = DEVICE_MOUSE;
input.max ++;
break;
case SYSTEM_WAYPLAY:
for (j=0; j< 4; j++)
{
if (input.max == MAX_INPUTS) return;
input.dev[j] = config.input[input.max].padtype;
input.max ++;
}
break;
case SYSTEM_TEAMPLAYER:
for (j=0; j<4; j++)
{
if (input.max == MAX_INPUTS) return;
input.dev[j] = config.input[input.max].padtype;
input.max ++;
}
teamplayer_init(0);
break;
}
switch (input.system[1])
{
case SYSTEM_GAMEPAD:
if (input.max == MAX_INPUTS) return;
input.dev[4] = config.input[input.max].padtype;
input.max ++;
break;
case SYSTEM_MOUSE:
if (input.max == MAX_INPUTS) return;
input.dev[4] = DEVICE_MOUSE;
input.max ++;
break;
case SYSTEM_MENACER:
if (input.max == MAX_INPUTS) return;
input.dev[4] = DEVICE_LIGHTGUN;
break;
case SYSTEM_JUSTIFIER:
for (j=4; j<6; j++)
{
if (input.max == MAX_INPUTS) return;
input.dev[j] = DEVICE_LIGHTGUN;
input.max ++;
}
break;
case SYSTEM_TEAMPLAYER:
for (j=4; j<8; j++)
{
if (input.max == MAX_INPUTS) return;
input.dev[j] = config.input[input.max].padtype;
input.max ++;
}
teamplayer_init(1);
break;
}
/* J-CART: add two gamepad inputs */
if (cart.hw.jcart)
{
input.dev[5] = config.input[2].padtype;
input.dev[6] = config.input[3].padtype;
}
}
void input_reset(void)
{
/* Reset Controller device */
int i;
for (i=0; i<MAX_INPUTS; i++)
{
switch (input.dev[i])
{
case DEVICE_3BUTTON:
case DEVICE_6BUTTON:
gamepad_reset(i);
break;
case DEVICE_LIGHTGUN:
lightgun_reset(i%4);
break;
case DEVICE_MOUSE:
mouse_reset();
default:
break;
}
}
/* Team Player */
if (input.system[0] == SYSTEM_TEAMPLAYER)
teamplayer_reset(0);
if (input.system[1] == SYSTEM_TEAMPLAYER)
teamplayer_reset(1);
/* 4-Way Play */
input.current = 0;
}
void input_update(void)
{
int i;
switch (input.system[0])
{
case SYSTEM_GAMEPAD:
if (input.dev[0] == DEVICE_6BUTTON) gamepad_update(0);
break;
case SYSTEM_WAYPLAY:
for (i=0; i<4; i++)
{
if (input.dev[i] == DEVICE_6BUTTON) gamepad_update(i);
}
break;
}
switch (input.system[1])
{
case SYSTEM_GAMEPAD:
if (input.dev[4] == DEVICE_6BUTTON) gamepad_update(4);
break;
case SYSTEM_MENACER:
lightgun_update(0);
break;
case SYSTEM_JUSTIFIER:
if ((io_reg[2] & 0x30) == 0x00) lightgun_update(0);
if ((io_reg[2] & 0x30) == 0x20) lightgun_update(1);
break;
}
}
void input_raz(void)
{
int i;
switch (input.system[0])
{
case SYSTEM_GAMEPAD:
if (input.dev[0] == DEVICE_6BUTTON) gamepad_raz(0);
break;
case SYSTEM_WAYPLAY:
for (i=0; i<4; i++)
{
if (input.dev[i] == DEVICE_6BUTTON) gamepad_raz(i);
}
break;
}
switch (input.system[1])
{
case SYSTEM_GAMEPAD:
if (input.dev[4] == DEVICE_6BUTTON) gamepad_raz(4);
break;
}
}
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