/*************************************************************************
Atari Football hardware
*************************************************************************/
#include "driver.h"
#include "atarifb.h"
#include "sound/discrete.h"
static int CTRLD;
static int sign_x_1, sign_y_1;
static int sign_x_2, sign_y_2;
static int sign_x_3, sign_y_3;
static int sign_x_4, sign_y_4;
WRITE8_HANDLER( atarifb_out1_w )
{
CTRLD = data;
discrete_sound_w(ATARIFB_WHISTLE_EN, data & 0x01); // Whistle
discrete_sound_w(ATARIFB_HIT_EN, data & 0x02); // Hit
discrete_sound_w(ATARIFB_ATTRACT_EN, data & 0x10); // Attract
discrete_sound_w(ATARIFB_NOISE_EN, data & 0x04); // Noise Enable / Kicker
if (GAME_IS_SOCCER)
{
/* bit 0 = whistle */
/* bit 1 = hit */
/* bit 2 = kicker */
/* bit 3 = unused */
/* bit 4 = 2/4 Player LED */ // Say what?
/* bit 5-6 = trackball CTRL bits */
/* bit 7 = Rule LED */
// set_led_status(0,data & 0x10); // !!!!!!!!!! Is this correct????
set_led_status(1,data & 0x80);
}
if (GAME_IS_FOOTBALL4)
coin_counter_w (1, data & 0x80);
if (GAME_IS_BASEBALL)
{
if (data & 0x80)
{
/* Invert video */
palette_set_color(Machine,2,MAKE_RGB(0x00,0x00,0x00)); /* black */
palette_set_color(Machine,0,MAKE_RGB(0xff,0xff,0xff)); /* white */
}
else
{
/* Regular video */
palette_set_color(Machine,0,MAKE_RGB(0x00,0x00,0x00)); /* black */
palette_set_color(Machine,2,MAKE_RGB(0xff,0xff,0xff)); /* white */
}
}
}
WRITE8_HANDLER( atarifb_out2_w )
{
discrete_sound_w(ATARIFB_CROWD_DATA, data & 0x0f); // Crowd
coin_counter_w (0, data & 0x10);
if (GAME_IS_SOCCER)
{
coin_counter_w (1, data & 0x20);
coin_counter_w (2, data & 0x40);
}
}
/*************************************
*
* LED control
*
*************************************/
WRITE8_HANDLER( atarifb_out3_w )
{
int loop = cpu_getiloops();
switch (loop)
{
case 0x00:
/* Player 1 play select lamp */
output_set_value("ledleft0", (data >> 0) & 1);
output_set_value("ledleft1", (data >> 1) & 1);
output_set_value("ledleft2", (data >> 2) & 1);
output_set_value("ledleft3", (data >> 3) & 1);
output_set_value("ledleft4", (data >> 4) & 1);
break;
case 0x01:
break;
case 0x02:
/* Player 2 play select lamp */
output_set_value("ledright0", (data >> 0) & 1);
output_set_value("ledright1", (data >> 1) & 1);
output_set_value("ledright2", (data >> 2) & 1);
output_set_value("ledright3", (data >> 3) & 1);
output_set_value("ledright4", (data >> 4) & 1);
break;
case 0x03:
break;
}
// logerror("out3_w, %02x:%02x\n", loop, data);
}
READ8_HANDLER( atarifb_in0_r )
{
if ((CTRLD & 0x20)==0x00)
{
int val;
val = (sign_y_2 >> 7) |
(sign_x_2 >> 6) |
(sign_y_1 >> 5) |
(sign_x_1 >> 4) |
input_port_0_r(offset);
return val;
}
else
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 1 trackball */
new_x = readinputport(3);
if (new_x != counter_x)
{
sign_x_1 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(2);
if (new_y != counter_y)
{
sign_y_1 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
}
READ8_HANDLER( atarifb_in2_r )
{
if ((CTRLD & 0x20)==0x00)
{
return input_port_1_r(offset);
}
else
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 2 trackball */
new_x = readinputport(5);
if (new_x != counter_x)
{
sign_x_2 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(4);
if (new_y != counter_y)
{
sign_y_2 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
}
READ8_HANDLER( atarifb4_in0_r )
{
/* LD1 and LD2 low, return sign bits */
if ((CTRLD & 0x60)==0x00)
{
int val;
val = (sign_x_4 >> 7) |
(sign_y_4 >> 6) |
(sign_x_2 >> 5) |
(sign_y_2 >> 4) |
(sign_x_3 >> 3) |
(sign_y_3 >> 2) |
(sign_x_1 >> 1) |
(sign_y_1 >> 0);
return val;
}
else if ((CTRLD & 0x60) == 0x60)
/* LD1 and LD2 both high, return Team 1 right player (player 1) */
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 1 trackball */
new_x = readinputport(4);
if (new_x != counter_x)
{
sign_x_1 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(3);
if (new_y != counter_y)
{
sign_y_1 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
else if ((CTRLD & 0x60) == 0x40)
/* LD1 high, LD2 low, return Team 1 left player (player 2) */
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 2 trackball */
new_x = readinputport(6);
if (new_x != counter_x)
{
sign_x_2 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(5);
if (new_y != counter_y)
{
sign_y_2 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
else return 0;
}
READ8_HANDLER( atarifb4_in2_r )
{
if ((CTRLD & 0x40)==0x00)
{
return input_port_2_r(offset);
}
else if ((CTRLD & 0x60) == 0x60)
/* LD1 and LD2 both high, return Team 2 right player (player 3) */
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 3 trackball */
new_x = readinputport(8);
if (new_x != counter_x)
{
sign_x_3 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(7);
if (new_y != counter_y)
{
sign_y_3 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
else if ((CTRLD & 0x60) == 0x40)
/* LD1 high, LD2 low, return Team 2 left player (player 4) */
{
static int counter_x,counter_y;
int new_x,new_y;
/* Read player 4 trackball */
new_x = readinputport(10);
if (new_x != counter_x)
{
sign_x_4 = (new_x - counter_x) & 0x80;
counter_x = new_x;
}
new_y = readinputport(9);
if (new_y != counter_y)
{
sign_y_4 = (new_y - counter_y) & 0x80;
counter_y = new_y;
}
return (((counter_y & 0x0f) << 4) | (counter_x & 0x0f));
}
else return 0;
}