/**************************************************************************** Metal Soldier Isaac II (c) Taito 1985 driver by Jaroslaw Burczynski ****************************************************************************/ #include "driver.h" #include "cpu/z80/z80.h" #include "cpu/m6805/m6805.h" #include "sound/ay8910.h" #include "sound/msm5232.h" #include "includes/buggychl.h" /* TO DO: - sprites are probably banked differently (no way to be sure until MCU dump is available) - TA7630 emulation needs filter support (characteristics depend on the frequency) - TA7630 volume table is hand tuned to match the sample, but still slighty off. */ //not used //WRITE8_HANDLER( msisaac_textbank1_w ); //used WRITE8_HANDLER( msisaac_fg_scrolly_w ); WRITE8_HANDLER( msisaac_fg_scrollx_w ); WRITE8_HANDLER( msisaac_bg_scrolly_w ); WRITE8_HANDLER( msisaac_bg_scrollx_w ); WRITE8_HANDLER( msisaac_bg2_scrolly_w ); WRITE8_HANDLER( msisaac_bg2_scrollx_w ); WRITE8_HANDLER( msisaac_bg2_textbank_w ); WRITE8_HANDLER( msisaac_bg_videoram_w ); WRITE8_HANDLER( msisaac_bg2_videoram_w ); WRITE8_HANDLER( msisaac_fg_videoram_w ); extern VIDEO_UPDATE( msisaac ); extern VIDEO_START( msisaac ); extern UINT8 *msisaac_videoram; extern UINT8 *msisaac_videoram2; static int sound_nmi_enable,pending_nmi; static TIMER_CALLBACK( nmi_callback ) { if (sound_nmi_enable) cpu_set_input_line(machine->cpu[1],INPUT_LINE_NMI,PULSE_LINE); else pending_nmi = 1; } static WRITE8_HANDLER( sound_command_w ) { soundlatch_w(space,0,data); timer_call_after_resynch(space->machine, NULL, data,nmi_callback); } static WRITE8_HANDLER( nmi_disable_w ) { sound_nmi_enable = 0; } static WRITE8_HANDLER( nmi_enable_w ) { sound_nmi_enable = 1; if (pending_nmi) { cpu_set_input_line(space->machine->cpu[1],INPUT_LINE_NMI,PULSE_LINE); pending_nmi = 0; } } #if 0 static WRITE8_HANDLER( flip_screen_w ) { flip_screen_set(space->machine, data); } static WRITE8_HANDLER( msisaac_coin_counter_w ) { coin_counter_w(offset,data); } #endif static WRITE8_HANDLER( ms_unknown_w ) { if (data!=0x08) popmessage("CPU #0 write to 0xf0a3 data=%2x",data); } /* If good MCU dump will be available, it should be fully working game */ /* To test the game without the MCU simply comment out #define USE_MCU */ /* Disabled because the mcu dump is currently unavailable. -AS */ //#define USE_MCU #ifndef USE_MCU static UINT8 mcu_val = 0; static UINT8 direction = 0; #endif static READ8_HANDLER( msisaac_mcu_r ) { #ifdef USE_MCU return buggychl_mcu_r(offset); #else /* MCU simulation TODO: \-Find the command which allows player-2 to play. \-Fix some graphics imperfections(*not* confirmed if they are caused by unhandled commands or imperfect video emulation). */ switch(mcu_val) { /*Start-up check*/ case 0x5f: return (mcu_val+0x6b); /*These interferes with RAM operations(setting them to non-zero you * * will have unexpected results,such as infinite lives or score not * * incremented properly).*/ case 0x40: case 0x41: case 0x42: return 0; /*With this command the MCU controls body direction */ case 0x02: { //direction: //0-left //1-leftup //2-up //3-rigtup //4-right //5-rightdwn //6-down //7-leftdwn UINT8 val= (input_port_read(space->machine, "IN1")>>2) & 0x0f; /* bit0 = left bit1 = right bit2 = down bit3 = up */ /* direction is encoded as: 4 3 5 2 6 1 7 0 */ /* 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 */ /* nochange left right nochange down downlft dwnrght down up upleft uprgt up nochnge left right nochange */ static const INT8 table[16] = { -1, 2, 6, -1, 0, 1, 7, 0, 4, 3, 5, 4, -1, 2, 6, -1 }; if (table[val] >= 0 ) direction = table[val]; return direction; } /*This controls the arms when they return to the player. */ case 0x07: return 0x45; default: logerror("CPU#0 read from MCU pc=%4x, mcu_val=%2x\n", cpu_get_pc(space->cpu), mcu_val ); return mcu_val; } #endif } static READ8_HANDLER( msisaac_mcu_status_r ) { #ifdef USE_MCU return buggychl_mcu_status_r(offset); #else return 3; //mcu ready / cpu data ready #endif } static WRITE8_HANDLER( msisaac_mcu_w ) { #ifdef USE_MCU buggychl_mcu_w(offset,data); #else //if(data != 0x0a && data != 0x42 && data != 0x02) // popmessage("PC = %04x %02x",cpu_get_pc(space->cpu),data); mcu_val = data; #endif } static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0xdfff) AM_READ(SMH_ROM) AM_RANGE(0xe000, 0xe7ff) AM_READ(SMH_RAM) AM_RANGE(0xf0e0, 0xf0e0) AM_READ(msisaac_mcu_r) AM_RANGE(0xf0e1, 0xf0e1) AM_READ(msisaac_mcu_status_r) AM_RANGE(0xf080, 0xf080) AM_READ_PORT("DSW1") AM_RANGE(0xf081, 0xf081) AM_READ_PORT("DSW2") AM_RANGE(0xf082, 0xf082) AM_READ_PORT("DSW3") AM_RANGE(0xf083, 0xf083) AM_READ_PORT("IN0") AM_RANGE(0xf084, 0xf084) AM_READ_PORT("IN1") //AM_RANGE(0xf086, 0xf086) AM_READ_PORT("IN2") ADDRESS_MAP_END static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0xdfff) AM_WRITE(SMH_ROM) AM_RANGE(0xe000, 0xe7ff) AM_WRITE(SMH_RAM) AM_RANGE(0xe800, 0xefff) AM_WRITE(paletteram_xxxxRRRRGGGGBBBB_le_w) AM_BASE(&paletteram) //AM_RANGE(0xf400, 0xf43f) AM_WRITE(msisaac_fg_colorram_w) AM_BASE(&colorram) AM_RANGE(0xf0a3, 0xf0a3) AM_WRITE(ms_unknown_w) //???? written in interrupt routine AM_RANGE(0xf060, 0xf060) AM_WRITE(sound_command_w) //sound command AM_RANGE(0xf061, 0xf061) AM_WRITE(SMH_NOP) /*sound_reset*/ //???? AM_RANGE(0xf000, 0xf000) AM_WRITE(msisaac_bg2_textbank_w) AM_RANGE(0xf001, 0xf001) AM_WRITE(SMH_RAM) //??? AM_RANGE(0xf002, 0xf002) AM_WRITE(SMH_RAM) //??? AM_RANGE(0xf0c0, 0xf0c0) AM_WRITE(msisaac_fg_scrollx_w) AM_RANGE(0xf0c1, 0xf0c1) AM_WRITE(msisaac_fg_scrolly_w) AM_RANGE(0xf0c2, 0xf0c2) AM_WRITE(msisaac_bg2_scrollx_w) AM_RANGE(0xf0c3, 0xf0c3) AM_WRITE(msisaac_bg2_scrolly_w) AM_RANGE(0xf0c4, 0xf0c4) AM_WRITE(msisaac_bg_scrollx_w) AM_RANGE(0xf0c5, 0xf0c5) AM_WRITE(msisaac_bg_scrolly_w) AM_RANGE(0xf0e0, 0xf0e0) AM_WRITE(msisaac_mcu_w) AM_RANGE(0xf100, 0xf17f) AM_WRITE(SMH_RAM) AM_BASE(&spriteram) //sprites AM_RANGE(0xf400, 0xf7ff) AM_WRITE(msisaac_fg_videoram_w) AM_BASE(&videoram) AM_RANGE(0xf800, 0xfbff) AM_WRITE(msisaac_bg2_videoram_w) AM_BASE(&msisaac_videoram2) AM_RANGE(0xfc00, 0xffff) AM_WRITE(msisaac_bg_videoram_w) AM_BASE(&msisaac_videoram) // AM_RANGE(0xf801, 0xf801) AM_WRITE(msisaac_bgcolor_w) // AM_RANGE(0xfc00, 0xfc00) AM_WRITE(flip_screen_w) // AM_RANGE(0xfc03, 0xfc04) AM_WRITE(msisaac_coin_counter_w) ADDRESS_MAP_END static ADDRESS_MAP_START( readmem_sound, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_READ(SMH_ROM) AM_RANGE(0x4000, 0x47ff) AM_READ(SMH_RAM) AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_r) AM_RANGE(0xe000, 0xffff) AM_READ(SMH_NOP) /*space for diagnostic ROM (not dumped, not reachable) */ ADDRESS_MAP_END static int vol_ctrl[16]; static MACHINE_RESET( ta7630 ) { int i; double db = 0.0; double db_step = 0.50; /* 0.50 dB step (at least, maybe more) */ double db_step_inc = 0.275; for (i=0; i<16; i++) { double max = 100.0 / pow(10.0, db/20.0 ); vol_ctrl[ 15-i ] = max; /*logerror("vol_ctrl[%x] = %i (%f dB)\n",15-i,vol_ctrl[ 15-i ],db);*/ db += db_step; db_step += db_step_inc; } /*for (i=0; i<8; i++) logerror("SOUND Chan#%i name=%s\n", i, mixer_get_name(i) );*/ /* channels 0-2 AY#0 channels 3-5 AY#1 channels 6,7 MSM5232 group1,group2 */ } static UINT8 snd_ctrl0=0; static UINT8 snd_ctrl1=0; static WRITE8_DEVICE_HANDLER( sound_control_0_w ) { snd_ctrl0 = data & 0xff; //popmessage("SND0 0=%2x 1=%2x", snd_ctrl0, snd_ctrl1); sound_set_output_gain(device, 0, vol_ctrl[ snd_ctrl0 & 15 ] / 100.0); /* group1 from msm5232 */ sound_set_output_gain(device, 1, vol_ctrl[ snd_ctrl0 & 15 ] / 100.0); /* group1 from msm5232 */ sound_set_output_gain(device, 2, vol_ctrl[ snd_ctrl0 & 15 ] / 100.0); /* group1 from msm5232 */ sound_set_output_gain(device, 3, vol_ctrl[ snd_ctrl0 & 15 ] / 100.0); /* group1 from msm5232 */ sound_set_output_gain(device, 4, vol_ctrl[ (snd_ctrl0>>4) & 15 ] / 100.0); /* group2 from msm5232 */ sound_set_output_gain(device, 5, vol_ctrl[ (snd_ctrl0>>4) & 15 ] / 100.0); /* group2 from msm5232 */ sound_set_output_gain(device, 6, vol_ctrl[ (snd_ctrl0>>4) & 15 ] / 100.0); /* group2 from msm5232 */ sound_set_output_gain(device, 7, vol_ctrl[ (snd_ctrl0>>4) & 15 ] / 100.0); /* group2 from msm5232 */ } static WRITE8_HANDLER( sound_control_1_w ) { snd_ctrl1 = data & 0xff; //popmessage("SND1 0=%2x 1=%2x", snd_ctrl0, snd_ctrl1); } static ADDRESS_MAP_START( writemem_sound, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_WRITE(SMH_ROM) AM_RANGE(0x4000, 0x47ff) AM_WRITE(SMH_RAM) AM_RANGE(0x8000, 0x8001) AM_DEVWRITE("ay1", ay8910_address_data_w) AM_RANGE(0x8002, 0x8003) AM_DEVWRITE("ay2", ay8910_address_data_w) AM_RANGE(0x8010, 0x801d) AM_DEVWRITE("msm", msm5232_w) AM_RANGE(0x8020, 0x8020) AM_DEVWRITE("msm", sound_control_0_w) AM_RANGE(0x8030, 0x8030) AM_WRITE(sound_control_1_w) AM_RANGE(0xc001, 0xc001) AM_WRITE(nmi_enable_w) AM_RANGE(0xc002, 0xc002) AM_WRITE(nmi_disable_w) AM_RANGE(0xc003, 0xc003) AM_WRITE(SMH_NOP) /*???*/ /* this is NOT mixer_enable */ ADDRESS_MAP_END #ifdef USE_MCU static ADDRESS_MAP_START( mcu_readmem, ADDRESS_SPACE_PROGRAM, 8 ) ADDRESS_MAP_GLOBAL_MASK(0x7ff) AM_RANGE(0x0000, 0x0000) AM_READ(buggychl_68705_portA_r) AM_RANGE(0x0001, 0x0001) AM_READ(buggychl_68705_portB_r) AM_RANGE(0x0002, 0x0002) AM_READ(buggychl_68705_portC_r) AM_RANGE(0x0010, 0x007f) AM_READ(SMH_RAM) AM_RANGE(0x0080, 0x07ff) AM_READ(SMH_ROM) ADDRESS_MAP_END static ADDRESS_MAP_START( mcu_writemem, ADDRESS_SPACE_PROGRAM, 8 ) ADDRESS_MAP_GLOBAL_MASK(0x7ff) AM_RANGE(0x0000, 0x0000) AM_WRITE(buggychl_68705_portA_w) AM_RANGE(0x0001, 0x0001) AM_WRITE(buggychl_68705_portB_w) AM_RANGE(0x0002, 0x0002) AM_WRITE(buggychl_68705_portC_w) AM_RANGE(0x0004, 0x0004) AM_WRITE(buggychl_68705_ddrA_w) AM_RANGE(0x0005, 0x0005) AM_WRITE(buggychl_68705_ddrB_w) AM_RANGE(0x0006, 0x0006) AM_WRITE(buggychl_68705_ddrC_w) AM_RANGE(0x0010, 0x007f) AM_WRITE(SMH_RAM) AM_RANGE(0x0080, 0x07ff) AM_WRITE(SMH_ROM) ADDRESS_MAP_END #endif static INPUT_PORTS_START( msisaac ) PORT_START("DSW1") PORT_DIPNAME( 0x01, 0x00, "DSW1 Unknown 0" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, "DSW1 Unknown 1" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x18, 0x10, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "1" ) PORT_DIPSETTING( 0x08, "2" ) PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x18, "4" ) PORT_DIPNAME( 0x20, 0x00, "DSW1 Unknown 5" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, "DSW1 Unknown 6" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, "DSW1 Unknown 7" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("DSW2") PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x0f, DEF_STR( 9C_1C ) ) PORT_DIPSETTING( 0x0e, DEF_STR( 8C_1C ) ) PORT_DIPSETTING( 0x0d, DEF_STR( 7C_1C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 6C_1C ) ) PORT_DIPSETTING( 0x0b, DEF_STR( 5C_1C ) ) PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x09, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x07, DEF_STR( 1C_8C ) ) PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0xf0, DEF_STR( 9C_1C ) ) PORT_DIPSETTING( 0xe0, DEF_STR( 8C_1C ) ) PORT_DIPSETTING( 0xd0, DEF_STR( 7C_1C ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 6C_1C ) ) PORT_DIPSETTING( 0xb0, DEF_STR( 5C_1C ) ) PORT_DIPSETTING( 0xa0, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x90, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x20, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x60, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x70, DEF_STR( 1C_8C ) ) PORT_START("DSW3") PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, "DSW3 Unknown 1" ) PORT_DIPSETTING( 0x00, "00" ) PORT_DIPSETTING( 0x02, "02" ) PORT_DIPNAME( 0x04, 0x04, "Invulnerability (Cheat)") PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, "DSW3 Unknown 3" ) PORT_DIPSETTING( 0x00, "00" ) PORT_DIPSETTING( 0x08, "08" ) PORT_DIPNAME( 0x30, 0x00, "Copyright Notice" ) PORT_DIPSETTING( 0x00, "(C) 1985 Taito Corporation" ) PORT_DIPSETTING( 0x10, "(C) Taito Corporation" ) PORT_DIPSETTING( 0x20, "(C) Taito Corp. MCMLXXXV" ) PORT_DIPSETTING( 0x30, "(C) Taito Corporation" ) PORT_DIPNAME( 0x40, 0x00, "Coinage Display" ) PORT_DIPSETTING( 0x40, "Insert Coin" ) PORT_DIPSETTING( 0x00, "Coins/Credits" ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Coinage) ) PORT_DIPSETTING( 0x80, "A and B" ) PORT_DIPSETTING( 0x00, "A only" ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) //?? PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) //?? PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) //?? PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) INPUT_PORTS_END static const gfx_layout char_layout = { 8,8, 0x400, 4, { 0*0x2000*8, 1*0x2000*8, 2*0x2000*8, 3*0x2000*8 }, { 7,6,5,4,3,2,1,0 }, { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 }, 8*8 }; static const gfx_layout tile_layout = { 16,16, 0x100, 4, { 0*0x2000*8, 1*0x2000*8, 2*0x2000*8, 3*0x2000*8 }, { 7,6,5,4,3,2,1,0, 64+7,64+6,64+5,64+4,64+3,64+2,64+1,64+0 }, { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8, 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 }, 32*8 }; static GFXDECODE_START( msisaac ) GFXDECODE_ENTRY( "gfx1", 0, char_layout, 0, 64 ) GFXDECODE_ENTRY( "gfx2", 0, char_layout, 0, 64 ) GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0, 64 ) GFXDECODE_ENTRY( "gfx2", 0, tile_layout, 0, 64 ) GFXDECODE_END static const msm5232_interface msm5232_config = { { 0.65e-6, 0.65e-6, 0.65e-6, 0.65e-6, 0.65e-6, 0.65e-6, 0.65e-6, 0.65e-6 } /* 0.65 (???) uF capacitors (match the sample, not verified) */ }; /*******************************************************************************/ static MACHINE_DRIVER_START( msisaac ) /* basic machine hardware */ MDRV_CPU_ADD("maincpu", Z80, 4000000) MDRV_CPU_PROGRAM_MAP(readmem,writemem) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) MDRV_CPU_ADD("audiocpu", Z80, 4000000) MDRV_CPU_PROGRAM_MAP(readmem_sound,writemem_sound) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) /* source of IRQs is unknown */ #ifdef USE_MCU MDRV_CPU_ADD("mcu", M68705,8000000/2) /* 4 MHz */ MDRV_CPU_PROGRAM_MAP(mcu_readmem,mcu_writemem) #endif MDRV_MACHINE_RESET(ta7630) /* video hardware */ MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(32*8, 32*8) MDRV_SCREEN_VISIBLE_AREA(0, 32*8-1, 1*8, 31*8-1) MDRV_GFXDECODE(msisaac) MDRV_PALETTE_LENGTH(1024) MDRV_VIDEO_START(msisaac) MDRV_VIDEO_UPDATE(msisaac) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ay1", AY8910, 2000000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) MDRV_SOUND_ADD("ay2", AY8910, 2000000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) MDRV_SOUND_ADD("msm", MSM5232, 2000000) MDRV_SOUND_CONFIG(msm5232_config) MDRV_SOUND_ROUTE(0, "mono", 1.0) // pin 28 2'-1 MDRV_SOUND_ROUTE(1, "mono", 1.0) // pin 29 4'-1 MDRV_SOUND_ROUTE(2, "mono", 1.0) // pin 30 8'-1 MDRV_SOUND_ROUTE(3, "mono", 1.0) // pin 31 16'-1 MDRV_SOUND_ROUTE(4, "mono", 1.0) // pin 36 2'-2 MDRV_SOUND_ROUTE(5, "mono", 1.0) // pin 35 4'-2 MDRV_SOUND_ROUTE(6, "mono", 1.0) // pin 34 8'-2 MDRV_SOUND_ROUTE(7, "mono", 1.0) // pin 33 16'-2 // pin 1 SOLO 8' not mapped // pin 2 SOLO 16' not mapped // pin 22 Noise Output not mapped MACHINE_DRIVER_END /*******************************************************************************/ ROM_START( msisaac ) ROM_REGION( 0x10000, "maincpu", 0 ) /* Z80 main CPU */ ROM_LOAD( "a34_11.bin", 0x0000, 0x4000, CRC(40819334) SHA1(65352607165043909a09e96c07f7060f6ce087e6) ) ROM_LOAD( "a34_12.bin", 0x4000, 0x4000, CRC(4c50b298) SHA1(5962882ad37ba6990ba2a6312b570f214cd4c103) ) ROM_LOAD( "a34_13.bin", 0x8000, 0x4000, CRC(2e2b09b3) SHA1(daa715282ed9ef2e519e252a684ef28085becabd) ) ROM_LOAD( "a34_10.bin", 0xc000, 0x2000, CRC(a2c53dc1) SHA1(14f23511f92bcfc94447dabe2826555d68bc1caa) ) ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 sound CPU */ ROM_LOAD( "a34_01.bin", 0x0000, 0x4000, CRC(545e45e7) SHA1(18ddb1ec8809bb62ae1c1068cd16cd3c933bf6ba) ) ROM_REGION( 0x0800, "cpu2", 0 ) /* 2k for the microcontroller */ ROM_LOAD( "a34.mcu" , 0x0000, 0x0800, NO_DUMP ) // I tried following MCUs; none of them work with this game: // ROM_LOAD( "a30-14" , 0x0000, 0x0800, CRC(c4690279) ) //40love // ROM_LOAD( "a22-19.31", 0x0000, 0x0800, CRC(06a71df0) ) //buggy challenge // ROM_LOAD( "a45-19", 0x0000, 0x0800, CRC(5378253c) ) //flstory // ROM_LOAD( "a54-19", 0x0000, 0x0800, CRC(e08b8846) ) //lkage ROM_REGION( 0x8000, "gfx1", ROMREGION_DISPOSE ) ROM_LOAD( "a34_02.bin", 0x0000, 0x2000, CRC(50da1a81) SHA1(8aa5a896f3e1173155d4574f5e1c2703e334cf44) ) ROM_LOAD( "a34_03.bin", 0x2000, 0x2000, CRC(728a549e) SHA1(8969569d4b7a3ba7b740dbd236c047a46b723617) ) ROM_LOAD( "a34_04.bin", 0x4000, 0x2000, CRC(e7d19f1c) SHA1(d55ee8085256c1f6a254d3249997326eebba7d88) ) ROM_LOAD( "a34_05.bin", 0x6000, 0x2000, CRC(bed2107d) SHA1(83b16ca8a1b131aa6a2976cdbe907109750eaf71) ) ROM_REGION( 0x8000, "gfx2", ROMREGION_DISPOSE ) ROM_LOAD( "a34_06.bin", 0x0000, 0x2000, CRC(4ec71687) SHA1(e88f0c61a172fbca1784c95246776bf64c071bf7) ) ROM_LOAD( "a34_07.bin", 0x2000, 0x2000, CRC(24922abf) SHA1(e42b4947b8c84bdf62990205308b8c187352d001) ) ROM_LOAD( "a34_08.bin", 0x4000, 0x2000, CRC(3ddbf4c0) SHA1(7dd82aba661addd0a905bc185c1a6d7f2e21e0c6) ) ROM_LOAD( "a34_09.bin", 0x6000, 0x2000, CRC(23eb089d) SHA1(fcf48862825bf09ba3718cbade0e163a660e1a68) ) ROM_END GAME( 1985, msisaac, 0, msisaac, msisaac, 0, ROT270, "Taito Corporation", "Metal Soldier Isaac II", GAME_UNEMULATED_PROTECTION | GAME_NO_COCKTAIL)