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added crosshairs

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This commit is contained in:
Michaël Banaan Ananas 2009-08-24 07:20:24 +00:00
parent b8d397d031
commit c0a2f5b6f6
1 changed files with 71 additions and 13 deletions
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84
src/mame/drivers/m79amb.c
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@ -48,6 +48,10 @@ Ports:
8002 Sound Control (According to Manual)
8003 D0=SelfTest LED
The cabinet has backdrop artwork, a lightbulb for explosions,
and two large (paddles pretending to be) guns.
*/
#include "driver.h"
@ -89,23 +93,51 @@ static VIDEO_UPDATE( ramtek )
}
static const int ControllerTable[32] = {
0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 ,
12 , 13 , 15 , 14 , 10 , 11 , 9 , 8 ,
24 , 25 , 27 , 26 , 30 , 31 , 29 , 28 ,
20 , 21 , 23 , 22 , 18 , 19 , 17 , 16
/* grenade trajectory per gun position is inconsistent and sloppy in the game:
0, 1, 3, 2, 6, 7, 5, 4 - gun position
90.00, 90.00, 90.00, 90.00, 86.42, 86.42, 86.42, 86.42 - grenade trajectory (angle, est)
18.0, 18.0, 18.0, 18.0, 27.2, 27.2, 27.2, 31.2 - crosses with y=28 (x, est)
12, 13, 15, 14, 10, 11, 9, 8,
84.39, 84.39, 84.39, 80.87, 79.00, 80.87, 79.00, 79.00
41.9, 48.9, 56.8, 75.8, 87.2, 88.8, 101.6, 107.6
24, 25, 27, 26, 30, 31, 29, 28,
79.00, 79.00, 75.59, 75.59, 75.59, 73.72, 73.72, 73.72
114.1, 121.5, 138.8, 146.0, 152.7, 162.6, 167.6, 172.7
20, 21, 23, 22, 18, 19, 17, 16
73.72, 70.08, 70.08, 70.08, 67.97, 67.97, 64.34, 64.34
181.6, 199.9, 205.4, 211.9, 223.5, 232.4, 254.0, 254.0
*/
static const UINT8 lut_cross[0x20] = {
19, 20, 21, 23, 25, 27, 29, 37,
45, 53, 66, 82, 88, 95, 105, 111,
118, 130, 142, 149, 158, 165, 170, 177,
191, 203, 209, 218, 228, 243, 249, 255,
};
static const UINT8 lut_pos[0x20] = {
0x1f, 0x1e, 0x1c, 0x1d, 0x19, 0x18, 0x1a, 0x1b,
0x13, 0x12, 0x10, 0x11, 0x15, 0x14, 0x16, 0x17,
0x07, 0x06, 0x04, 0x05, 0x01, 0x00, 0x02, 0x03,
0x0b, 0x0a, 0x08, 0x09, 0x0d, 0x0c, 0x0e, 0x0f
};
static UINT8 lut_gun1[0x100];
static UINT8 lut_gun2[0x100];
static READ8_HANDLER( gray5bit_controller0_r )
{
int port_data = input_port_read(space->machine, "8004");
return (port_data & 0xe0) | (~ControllerTable[port_data & 0x1f] & 0x1f);
UINT8 port_data = input_port_read(space->machine, "8004");
UINT8 gun_pos = input_port_read(space->machine, "GUN1");
return (port_data & 0xe0) | lut_gun1[gun_pos];
}
static READ8_HANDLER( gray5bit_controller1_r )
{
int port_data = input_port_read(space->machine, "8005");
return (port_data & 0xe0) | (~ControllerTable[port_data & 0x1f] & 0x1f);
UINT8 port_data = input_port_read(space->machine, "8005");
UINT8 gun_pos = input_port_read(space->machine, "GUN2");
return (port_data & 0xe0) | lut_gun2[gun_pos];
}
static WRITE8_HANDLER( m79amb_8002_w )
@ -118,7 +150,7 @@ static WRITE8_HANDLER( m79amb_8002_w )
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_ROM
AM_RANGE(0x4000, 0x5fff) AM_RAM_WRITE(ramtek_videoram_w) AM_BASE(&ramtek_videoram)
AM_RANGE(0x6000, 0x63ff) AM_RAM /* ?? */
AM_RANGE(0x6000, 0x63ff) AM_RAM /* ?? */
AM_RANGE(0x8000, 0x8000) AM_READ_PORT("8000") AM_DEVWRITE("discrete", m79amb_8000_w)
AM_RANGE(0x8001, 0x8001) AM_WRITE(SMH_RAM) AM_BASE(&mask)
AM_RANGE(0x8002, 0x8002) AM_READ_PORT("8002") AM_WRITE(m79amb_8002_w)
@ -161,16 +193,23 @@ static INPUT_PORTS_START( m79amb )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("8004")
PORT_BIT( 0x1f, 0x10, IPT_PADDLE ) PORT_MINMAX(0,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_CENTERDELTA(0)
PORT_BIT( 0x1f, IP_ACTIVE_LOW, IPT_UNUSED ) // gun 1 here
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("8005")
PORT_BIT( 0x1f, 0x10, IPT_PADDLE ) PORT_MINMAX(0,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_CENTERDELTA(0) PORT_PLAYER(2)
PORT_BIT( 0x1f, IP_ACTIVE_LOW, IPT_UNUSED ) // gun 2 here
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
// fake ports for the guns
PORT_START("GUN1")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_CROSSHAIR(X, (1.0-(19.0/256.0)), 19.0/256.0, 30.0/224.0) PORT_MINMAX(19,255) PORT_SENSITIVITY(50) PORT_KEYDELTA(5) PORT_CENTERDELTA(0) PORT_PLAYER(1)
PORT_START("GUN2")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_CROSSHAIR(X, (1.0-(22.0/256.0)), 0.0, 30.0/224.0) PORT_MINMAX(0,234) PORT_SENSITIVITY(50) PORT_KEYDELTA(5) PORT_CENTERDELTA(0) PORT_PLAYER(2)
INPUT_PORTS_END
@ -182,11 +221,30 @@ static INTERRUPT_GEN( m79amb_interrupt )
static DRIVER_INIT( m79amb )
{
UINT8 *rom = memory_region(machine, "maincpu");
int i;
int i,j;
/* PROM data is active low */
for (i = 0;i < 0x2000;i++)
rom[i] = ~rom[i];
/* gun positions */
for (i=0;i<0x100;i++) {
/* gun 1, start at left 18 */
for (j=0;j<0x20;j++) {
if (i<=lut_cross[j]) {
lut_gun1[i]=lut_pos[j];
break;
}
}
/* gun 2, start at right 235 */
for (j=0;j<0x20;j++) {
if (i>=(253-lut_cross[j])) {
lut_gun2[i]=lut_pos[j];
break;
}
}
}
}
static MACHINE_DRIVER_START( m79amb )