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M79-Ambush - Added Discrete sounds, fixed DIPs and added Self Test Lamp Output.

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This commit is contained in:
Derrick Renaud 2009-02-26 04:45:02 +00:00
parent fd50a18e70
commit 4e365930b2
6 changed files with 390 additions and 18 deletions
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2
.gitattributes vendored
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@ -1138,6 +1138,7 @@ src/mame/audio/leland.c svneol=native#text/plain
src/mame/audio/llander.c svneol=native#text/plain src/mame/audio/llander.c svneol=native#text/plain
src/mame/audio/m72.c svneol=native#text/plain src/mame/audio/m72.c svneol=native#text/plain
src/mame/audio/m72.h svneol=native#text/plain src/mame/audio/m72.h svneol=native#text/plain
src/mame/audio/m79amb.c svneol=native#text/plain
src/mame/audio/madalien.c svneol=native#text/plain src/mame/audio/madalien.c svneol=native#text/plain
src/mame/audio/mario.c svneol=native#text/plain src/mame/audio/mario.c svneol=native#text/plain
src/mame/audio/mcr.c svneol=native#text/plain src/mame/audio/mcr.c svneol=native#text/plain
@ -2375,6 +2376,7 @@ src/mame/includes/m57.h svneol=native#text/plain
src/mame/includes/m58.h svneol=native#text/plain src/mame/includes/m58.h svneol=native#text/plain
src/mame/includes/m62.h svneol=native#text/plain src/mame/includes/m62.h svneol=native#text/plain
src/mame/includes/m72.h svneol=native#text/plain src/mame/includes/m72.h svneol=native#text/plain
src/mame/includes/m79amb.h svneol=native#text/plain
src/mame/includes/m92.h svneol=native#text/plain src/mame/includes/m92.h svneol=native#text/plain
src/mame/includes/madalien.h svneol=native#text/plain src/mame/includes/madalien.h svneol=native#text/plain
src/mame/includes/mario.h svneol=native#text/plain src/mame/includes/mario.h svneol=native#text/plain

341
src/mame/audio/m79amb.c Normal file
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@ -0,0 +1,341 @@
/************************************************************************
* m79amb Sound System Analog emulation
* Nov 2008, Derrick Renaud
************************************************************************/
#include "driver.h"
#include "m79amb.h"
#include "sound/discrete.h"
#define TIME_OF_9602(r, c) (0.34 * (r) * (c) * (1.0 + 1.0 / (r)))
#define TIME_OF_9602_WITH_DIODE(r, c) (0.3 * (r) * (c))
/* Discrete Sound Input Nodes */
#define M79AMB_BOOM_EN NODE_01
#define M79AMB_THUD_EN NODE_02
#define M79AMB_SHOT_EN NODE_03
#define M79AMB_MC_REV_EN NODE_04
#define M79AMB_MC_CONTROL_EN NODE_05
#define M79AMB_TANK_TRUCK_JEEP_EN NODE_06
#define M79AMB_WHISTLE_A_EN NODE_07
#define M79AMB_WHISTLE_B_EN NODE_08
/* Discrete Sound Output Nodes */
#define M79AMB_BOOM_SND NODE_11
#define M79AMB_THUD_SND NODE_12
#define M79AMB_SHOT_SND NODE_13
#define M79AMB_MC_SND NODE_14
#define M79AMB_TANK_TRUCK_JEEP_SND NODE_15
#define M79AMB_WHISTLE_A_SND NODE_16
#define M79AMB_WHISTLE_B_SND NODE_17
#define M79AMB_R2 RES_K(5.6)
#define M79AMB_R6 220
#define M79AMB_R9 RES_K(4.7)
#define M79AMB_R10 RES_K(2.2)
#define M79AMB_R12 RES_K(5.6)
#define M79AMB_R16 330
#define M79AMB_R19 RES_K(4.7)
#define M79AMB_R20 RES_K(2.2)
#define M79AMB_R22 RES_K(3.3)
#define M79AMB_R26 100
#define M79AMB_R29 RES_K(4.7)
#define M79AMB_R30 RES_K(1.5)
#define M79AMB_R35 RES_K(470)
#define M79AMB_R36 RES_K(39)
#define M79AMB_R37 RES_K(82)
#define M79AMB_R38 100
#define M79AMB_R39 RES_K(10)
#define M79AMB_R41 RES_K(2.2)
#define M79AMB_R42 RES_K(10)
#define M79AMB_R43 220
#define M79AMB_R44 RES_K(39)
#define M79AMB_R45 RES_K(82)
#define M79AMB_R46 RES_K(10)
#define M79AMB_R48 RES_K(2.2)
#define M79AMB_R49 RES_K(1)
#define M79AMB_R51 RES_K(39)
#define M79AMB_R52 RES_K(82)
#define M79AMB_R53 100
#define M79AMB_R54 RES_K(10)
#define M79AMB_R57 RES_K(2.2)
#define M79AMB_R58 RES_K(2.2)
#define M79AMB_R59 RES_K(1)
#define M79AMB_R61 RES_K(39)
#define M79AMB_R62 RES_K(82)
#define M79AMB_R63 100
#define M79AMB_R64 RES_K(10)
#define M79AMB_R67 RES_K(2.2)
#define M79AMB_R68 RES_K(2.2)
#define M79AMB_R69 RES_K(1)
#define M79AMB_R76 RES_K(2.7)
#define M79AMB_R77 RES_K(47)
#define M79AMB_R78 RES_K(47)
#define M79AMB_R79 RES_K(15)
#define M79AMB_R80 RES_K(22)
#define M79AMB_R81 RES_K(100)
#define M79AMB_R82 RES_K(100)
#define M79AMB_R83 RES_K(3.3)
#define M79AMB_R84 RES_K(50)
#define M79AMB_R86 470
#define M79AMB_C2 CAP_U(39)
#define M79AMB_C3 CAP_U(22)
#define M79AMB_C6 CAP_U(0.1)
#define M79AMB_C8 CAP_U(39)
#define M79AMB_C9 CAP_U(22)
#define M79AMB_C12 CAP_U(0.1)
#define M79AMB_C14 CAP_U(4.7)
#define M79AMB_C15 CAP_U(3.3)
#define M79AMB_C18 CAP_U(0.1)
#define M79AMB_C20 CAP_U(2.2)
#define M79AMB_C21 CAP_U(1)
#define M79AMB_C22 CAP_U(22)
#define M79AMB_C23 CAP_U(0.01)
#define M79AMB_C25 CAP_U(2.2)
#define M79AMB_C26 CAP_U(22)
#define M79AMB_C27 CAP_U(0.47)
#define M79AMB_C28 CAP_U(0.1)
#define M79AMB_C29 CAP_U(22)
#define M79AMB_C30 CAP_U(0.03)
#define M79AMB_C31 CAP_U(0.1)
#define M79AMB_C32 CAP_U(0.1)
#define M79AMB_C33 CAP_U(22)
#define M79AMB_C34 CAP_U(0.03)
#define M79AMB_C35 CAP_U(0.1)
#define M79AMB_C36 CAP_U(0.1)
#define M79AMB_C37 CAP_P(500)
#define M79AMB_C41 CAP_U(0.1)
#define M79AMB_C42 CAP_U(15)
static const discrete_566_desc m79amb_566_desc = {DISC_566_OUT_DC | DISC_566_OUT_TRIANGLE, 12, 0, DEFAULT_566_CHARGE};
static const discrete_mixer_desc m79amb_final_mix =
{
DISC_MIXER_IS_OP_AMP,
{
M79AMB_R76 + M79AMB_R9,
M79AMB_R77 + M79AMB_R19,
M79AMB_R78 + M79AMB_R29,
M79AMB_R79 + RES_2_PARALLEL(M79AMB_R41, M79AMB_R42 + M79AMB_R43),
M79AMB_R80 + RES_2_PARALLEL(M79AMB_R48, M79AMB_R49),
M79AMB_R81 + RES_2_PARALLEL(M79AMB_R59, M79AMB_R57 + M79AMB_R58),
M79AMB_R82 + RES_2_PARALLEL(M79AMB_R69, M79AMB_R67 + M79AMB_R68)
},
{0}, /* no r_nodes */
{M79AMB_C6, M79AMB_C12, M79AMB_C18, M79AMB_C23, M79AMB_C28, M79AMB_C32, M79AMB_C36},
0,
M79AMB_R83 + M79AMB_R84,
M79AMB_C37,
M79AMB_C42,
0,
1 /* gain */
};
DISCRETE_SOUND_START( m79amb )
/************************************************
* Input register mapping
************************************************/
DISCRETE_INPUT_PULSE(M79AMB_BOOM_EN, 0)
DISCRETE_INPUT_PULSE(M79AMB_THUD_EN, 0)
DISCRETE_INPUT_PULSE(M79AMB_SHOT_EN, 0)
DISCRETE_INPUT_LOGIC(M79AMB_MC_REV_EN)
DISCRETE_INPUT_LOGIC(M79AMB_MC_CONTROL_EN)
DISCRETE_INPUT_LOGIC(M79AMB_TANK_TRUCK_JEEP_EN)
DISCRETE_INPUT_LOGIC(M79AMB_WHISTLE_A_EN)
DISCRETE_INPUT_LOGIC(M79AMB_WHISTLE_B_EN)
/* Boom, Thud, Shot sounds need more accurate emulation */
/************************************************
* Boom
************************************************/
DISCRETE_ONESHOT(NODE_20,
M79AMB_BOOM_EN, /* TRIG */
1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R2, M79AMB_C2),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_21,
NODE_20, /* Q1 base */
0, /* Q1 off, C3 discharges */
M79AMB_R9 + M79AMB_R10, /* discharges thru amp/filter circuit */
12, /* Q1 on, C3 charges */
M79AMB_R6, /* Q2 on */
M79AMB_C3) /* controls amplitude */
DISCRETE_NOISE(M79AMB_BOOM_SND,
1, /* ENAB */
800, /* FREQ - Guess*/
NODE_21, /* AMP */
0) /* BIAS - fake AC is fine*/
/************************************************
* Thud
************************************************/
DISCRETE_ONESHOT(NODE_30,
M79AMB_THUD_EN, /* TRIG */
1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R12, M79AMB_C8),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_31,
NODE_30, /* Q4 base */
0, /* Q4 off, C9 discharges */
M79AMB_R19 + M79AMB_R20, /* discharges thru amp/filter circuit */
12, /* Q4 on, C9 charges */
M79AMB_R16, /* Q5 on */
M79AMB_C9) /* controls amplitude */
DISCRETE_NOISE(M79AMB_THUD_SND,
1, /* ENAB */
500, /* FREQ - Guess*/
NODE_31, /* AMP */
0) /* BIAS - fake AC is fine*/
/************************************************
* Shot
************************************************/
DISCRETE_ONESHOT(NODE_40,
M79AMB_SHOT_EN, /* TRIG */
1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R22, M79AMB_C14),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_41,
NODE_40, /* Q7 base */
0, /* Q7 off, C15 discharges */
M79AMB_R29 + M79AMB_R30, /* discharges thru amp/filter circuit */
12, /* Q7 on, C15 charges */
M79AMB_R26, /* Q8 on */
M79AMB_C15) /* controls amplitude */
DISCRETE_NOISE(M79AMB_SHOT_SND,
1, /* ENAB */
1000, /* FREQ - Guess*/
NODE_41, /* AMP */
0) /* BIAS - fake AC is fine*/
/************************************************
* MC
************************************************/
/* not the best implementation of the pin 5 charge circuit, but it is within tolerance */
DISCRETE_RCDISC2(NODE_50,
M79AMB_MC_REV_EN,
/* R35 can be ignored on discharge */
RES_VOLTAGE_DIVIDER(M79AMB_R36 + M79AMB_R37, M79AMB_R38) * 12, /* Q12 on */
RES_2_PARALLEL(M79AMB_R36 + M79AMB_R37, M79AMB_R38), /* Q12 on */
12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R36, M79AMB_R35), /* Q12 off */
RES_2_PARALLEL(M79AMB_R36, M79AMB_R35) + M79AMB_R37, /* Q12 off */
M79AMB_C20)
/* cap charge to B+ ratio changes voltage on pin 5 */
/* (iR36 + iR35 + iR37) * R36||R35||R37 where iR35 = 0/R35 = 0 */
DISCRETE_TRANSFORM4(NODE_51, 12.0 / M79AMB_R36, NODE_50, M79AMB_R37, RES_3_PARALLEL(M79AMB_R36, M79AMB_R35, M79AMB_R37), "012/+3*")
DISCRETE_566(NODE_52, /* IC U3, pin 4 */
1, /* ENAB */
NODE_51, /* IC U3, pin 5 */
M79AMB_R39, M79AMB_C21, &m79amb_566_desc)
DISCRETE_CRFILTER(NODE_53,
M79AMB_MC_CONTROL_EN, /* Q13 */
NODE_52, M79AMB_R41 + M79AMB_R42 + M79AMB_R43, M79AMB_C22)
DISCRETE_GAIN(M79AMB_MC_SND, NODE_53, RES_VOLTAGE_DIVIDER(M79AMB_R41 + M79AMB_R42, 2200))//M79AMB_R43))
/************************************************
* Tank, Truck, Jeep
************************************************/
DISCRETE_566(NODE_60, /* IC U4, pin 4 */
1, /* ENAB */
12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R44, M79AMB_R45), /* IC U5, pin 5 */
M79AMB_R46, M79AMB_C25, &m79amb_566_desc)
DISCRETE_ONOFF(NODE_61,
M79AMB_TANK_TRUCK_JEEP_EN, /* Q16, Q17 */
NODE_60)
DISCRETE_CRFILTER(NODE_62,
1, /* ENAB */
NODE_61, M79AMB_R48 + M79AMB_R49, M79AMB_C26)
DISCRETE_GAIN(NODE_63, NODE_62, RES_VOLTAGE_DIVIDER(M79AMB_R48, M79AMB_R49))
DISCRETE_RCFILTER(M79AMB_TANK_TRUCK_JEEP_SND,
1, /* ENAB */
NODE_63, RES_2_PARALLEL(M79AMB_R48, M79AMB_R49), M79AMB_C27)
/************************************************
* Whisle A
************************************************/
DISCRETE_RCDISC2(NODE_70,
M79AMB_WHISTLE_A_EN,
RES_VOLTAGE_DIVIDER(M79AMB_R51 + M79AMB_R52, M79AMB_R53) * 12, /* Q15 on */
RES_2_PARALLEL(M79AMB_R53, M79AMB_R51 + M79AMB_R52), /* Q15 on */
12, M79AMB_R51 + M79AMB_R52, /* Q15 off */
M79AMB_C29)
/* cap charge to B+ ratio changes voltage on pin 5 */
DISCRETE_TRANSFORM3(NODE_71, 12, NODE_70, RES_VOLTAGE_DIVIDER(M79AMB_R51, M79AMB_R52), "01-2*1+")
DISCRETE_566(NODE_72, /* IC U5, pin 4 */
1, /* ENAB */
NODE_71, /* IC U5, pin 5 */
M79AMB_R54, M79AMB_C30, &m79amb_566_desc)
DISCRETE_CRFILTER(NODE_73,
M79AMB_WHISTLE_A_EN, /* Q16, Q17 */
NODE_72, M79AMB_R57 + M79AMB_R58 + M79AMB_R59, M79AMB_C31)
DISCRETE_GAIN(M79AMB_WHISTLE_A_SND, NODE_73, RES_VOLTAGE_DIVIDER(M79AMB_R57 + M79AMB_R58, M79AMB_R59))
/************************************************
* Whisle B
************************************************/
DISCRETE_RCDISC2(NODE_80,
M79AMB_WHISTLE_B_EN,
RES_VOLTAGE_DIVIDER(M79AMB_R61 + M79AMB_R62, M79AMB_R63) * 12, /* Q18 on */
RES_2_PARALLEL(M79AMB_R63, M79AMB_R61 + M79AMB_R62), /* Q18 on */
12, M79AMB_R61 + M79AMB_R62, /* Q18 off */
M79AMB_C33)
/* cap charge to B+ ratio changes voltage on pin 5 */
DISCRETE_TRANSFORM3(NODE_81, 12, NODE_80, RES_VOLTAGE_DIVIDER(M79AMB_R61, M79AMB_R62), "01-2*1+")
DISCRETE_566(NODE_82, /* IC U5, pin 4 */
1, /* ENAB */
NODE_81, /* IC U5, pin 5 */
M79AMB_R64, M79AMB_C34, &m79amb_566_desc)
DISCRETE_CRFILTER(NODE_83,
M79AMB_WHISTLE_B_EN, /* Q19, Q20*/
NODE_82, M79AMB_R67 + M79AMB_R68 + M79AMB_R69, M79AMB_C35)
DISCRETE_GAIN(M79AMB_WHISTLE_B_SND, NODE_83, RES_VOLTAGE_DIVIDER(M79AMB_R67 + M79AMB_R68, M79AMB_R69))
/************************************************
* Mixer
************************************************/
DISCRETE_MIXER7(NODE_90, /* IC U7, pin 6 */
1, /* ENAB */
M79AMB_BOOM_SND,
M79AMB_THUD_SND,
M79AMB_SHOT_SND,
M79AMB_MC_SND,
M79AMB_TANK_TRUCK_JEEP_SND,
M79AMB_WHISTLE_A_SND,
M79AMB_WHISTLE_B_SND,
&m79amb_final_mix)
DISCRETE_RCFILTER(NODE_91,
1, /* ENAB */
NODE_90, M79AMB_R86, M79AMB_C41)
DISCRETE_OUTPUT(NODE_91, 32000.0/5)
DISCRETE_SOUND_END
/* the ports are guessed from operation */
/* the schematics do not show the actual hookup */
WRITE8_DEVICE_HANDLER( m79amb_8000_w )
{
/* these values are not latched */
/* they are pulsed when the port is addressed */
/* the discrete system will just trigger from them */
discrete_sound_w(device, M79AMB_SHOT_EN, data & 0x01);
discrete_sound_w(device, M79AMB_BOOM_EN, data & 0x02);
discrete_sound_w(device, M79AMB_THUD_EN, data & 0x04);
};
WRITE8_DEVICE_HANDLER( m79amb_8003_w )
{
/* Self Test goes low on reset and lights LED */
/* LED goes off on pass */
output_set_value("SELF_TEST", data & 0x01);
discrete_sound_w(device, M79AMB_MC_REV_EN, data & 0x02);
discrete_sound_w(device, M79AMB_MC_CONTROL_EN, data & 0x04);
discrete_sound_w(device, M79AMB_TANK_TRUCK_JEEP_EN, data & 0x08);
discrete_sound_w(device, M79AMB_WHISTLE_B_EN, data & 0x10);
discrete_sound_w(device, M79AMB_WHISTLE_A_EN, data & 0x20);
}

52
src/mame/drivers/m79amb.c
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@ -51,6 +51,7 @@ Ports:
*/ */
#include "driver.h" #include "driver.h"
#include "m79amb.h"
#include "cpu/i8085/i8085.h" #include "cpu/i8085/i8085.h"
static UINT8 *ramtek_videoram; static UINT8 *ramtek_videoram;
@ -97,26 +98,31 @@ static const int ControllerTable[32] = {
static READ8_HANDLER( gray5bit_controller0_r ) static READ8_HANDLER( gray5bit_controller0_r )
{ {
return (input_port_read(space->machine, "8004") & 0xe0) | (~ControllerTable[input_port_read(space->machine, "8004") & 0x1f] & 0x1f); int port_data = input_port_read(space->machine, "8004");
return (port_data & 0xe0) | (~ControllerTable[port_data & 0x1f] & 0x1f);
} }
static READ8_HANDLER( gray5bit_controller1_r ) static READ8_HANDLER( gray5bit_controller1_r )
{ {
return (input_port_read(space->machine, "8005") & 0xe0) | (~ControllerTable[input_port_read(space->machine, "8005") & 0x1f] & 0x1f); int port_data = input_port_read(space->machine, "8005");
return (port_data & 0xe0) | (~ControllerTable[port_data & 0x1f] & 0x1f);
} }
static WRITE8_HANDLER( sound_w ) static WRITE8_HANDLER( m79amb_8002_w )
{ {
/* D1 may also be watchdog reset */
/* port goes to 0x7f to turn on explosion lamp */
output_set_value("EXP_LAMP", data ? 1 : 0);
} }
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 ) static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_ROM AM_RANGE(0x0000, 0x1fff) AM_ROM
AM_RANGE(0x4000, 0x5fff) AM_RAM_WRITE(ramtek_videoram_w) AM_BASE(&ramtek_videoram) 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_WRITE(sound_w) /* sound_w listed twice?? */ AM_RANGE(0x8000, 0x8000) AM_READ_PORT("8000") AM_DEVWRITE(SOUND, "discrete", m79amb_8000_w)
AM_RANGE(0x8001, 0x8001) AM_WRITE(SMH_RAM) AM_BASE(&mask) AM_RANGE(0x8001, 0x8001) AM_WRITE(SMH_RAM) AM_BASE(&mask)
AM_RANGE(0x8002, 0x8002) AM_READ_PORT("8002") AM_WRITE(sound_w) AM_RANGE(0x8002, 0x8002) AM_READ_PORT("8002") AM_WRITE(m79amb_8002_w)
AM_RANGE(0x8003, 0x8003) AM_WRITE(sound_w) /* Manual Shows sound control at 0x8002 */ AM_RANGE(0x8003, 0x8003) AM_DEVWRITE(SOUND, "discrete", m79amb_8003_w)
AM_RANGE(0x8004, 0x8004) AM_READ(gray5bit_controller0_r) AM_RANGE(0x8004, 0x8004) AM_READ(gray5bit_controller0_r)
AM_RANGE(0x8005, 0x8005) AM_READ(gray5bit_controller1_r) AM_RANGE(0x8005, 0x8005) AM_READ(gray5bit_controller1_r)
AM_RANGE(0xc000, 0xc07f) AM_RAM /* ?? */ AM_RANGE(0xc000, 0xc07f) AM_RAM /* ?? */
@ -127,14 +133,22 @@ ADDRESS_MAP_END
static INPUT_PORTS_START( m79amb ) static INPUT_PORTS_START( m79amb )
PORT_START("8000") PORT_START("8000")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* dip switch */ PORT_DIPNAME( 0x03, 0x00, "Play Time" )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPSETTING( 0x00, "60 Seconds" )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPSETTING( 0x01, "90 Seconds" )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPSETTING( 0x02, "90 Seconds" )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_DIPSETTING( 0x03, "120 Seconds" )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_DIPNAME( 0x1c, 0x04, "Points for Extended Time" )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_DIPSETTING( 0x00, "1500" )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_DIPSETTING( 0x04, "2500" )
PORT_DIPSETTING( 0x08, "3500" )
PORT_DIPSETTING( 0x0c, "5000" )
PORT_DIPSETTING( 0x1c, "No Extended Time" )
PORT_DIPNAME( 0xe0, 0x00, DEF_STR( Coinage ))
PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ))
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ))
PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ))
PORT_DIPSETTING( 0xc0, DEF_STR( Free_Play ))
PORT_START("8002") PORT_START("8002")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_VBLANK ) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_VBLANK )
@ -178,7 +192,7 @@ static DRIVER_INIT( m79amb )
static MACHINE_DRIVER_START( m79amb ) static MACHINE_DRIVER_START( m79amb )
/* basic machine hardware */ /* basic machine hardware */
MDRV_CPU_ADD("maincpu", 8080, 1996800) MDRV_CPU_ADD("maincpu", 8080, XTAL_19_6608MHz / 10)
MDRV_CPU_PROGRAM_MAP(main_map,0) MDRV_CPU_PROGRAM_MAP(main_map,0)
MDRV_CPU_VBLANK_INT("screen", m79amb_interrupt) MDRV_CPU_VBLANK_INT("screen", m79amb_interrupt)
@ -193,6 +207,12 @@ static MACHINE_DRIVER_START( m79amb )
MDRV_VIDEO_UPDATE(ramtek) MDRV_VIDEO_UPDATE(ramtek)
/* sound hardware */ /* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("discrete", DISCRETE, 0)
MDRV_SOUND_CONFIG_DISCRETE(m79amb)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END MACHINE_DRIVER_END
@ -219,4 +239,4 @@ ROM_END
GAME( 1977, m79amb, 0, m79amb, m79amb, m79amb, ROT0, "Ramtek", "M-79 Ambush", GAME_NO_SOUND ) GAME( 1977, m79amb, 0, m79amb, m79amb, m79amb, ROT0, "Ramtek", "M-79 Ambush", GAME_IMPERFECT_SOUND )

9
src/mame/includes/m79amb.h Normal file
View File

@ -0,0 +1,9 @@
#include "sound/discrete.h"
/*----------- defined in sndhrdw/m79amb.c -----------*/
DISCRETE_SOUND_EXTERN( m79amb );
extern WRITE8_DEVICE_HANDLER( m79amb_8000_w );
extern WRITE8_DEVICE_HANDLER( m79amb_8003_w );

2
src/mame/mame.mak
View File

@ -959,7 +959,7 @@ $(MAMEOBJ)/midcoin.a: \
$(MAMEOBJ)/midw8080.a: \ $(MAMEOBJ)/midw8080.a: \
$(DRIVERS)/8080bw.o $(AUDIO)/8080bw.o $(VIDEO)/8080bw.o \ $(DRIVERS)/8080bw.o $(AUDIO)/8080bw.o $(VIDEO)/8080bw.o \
$(DRIVERS)/m79amb.o \ $(DRIVERS)/m79amb.o $(AUDIO)/m79amb.o \
$(DRIVERS)/mw8080bw.o $(MACHINE)/mw8080bw.o $(AUDIO)/mw8080bw.o $(VIDEO)/mw8080bw.o \ $(DRIVERS)/mw8080bw.o $(MACHINE)/mw8080bw.o $(AUDIO)/mw8080bw.o $(VIDEO)/mw8080bw.o \
$(DRIVERS)/rotaryf.o \ $(DRIVERS)/rotaryf.o \
$(DRIVERS)/sspeedr.o $(VIDEO)/sspeedr.o \ $(DRIVERS)/sspeedr.o $(VIDEO)/sspeedr.o \

2
src/mame/video/hd63484.c
View File

@ -846,7 +846,7 @@ static void line(INT16 sx, INT16 sy, INT16 ex, INT16 ey, INT16 col)
static void circle(INT16 sx, INT16 sy, UINT16 r, INT16 col) static void circle(INT16 sx, INT16 sy, UINT16 r, INT16 col)
{ {
const float DEG2RAD = (float)3.14159/180; const float DEG2RAD = 3.14159f/180;
int i; int i;
for (i = 0; i < 360 * (r / 10); i++) for (i = 0; i < 360 * (r / 10); i++)
{ {