diff options
Diffstat (limited to 'src/mame/drivers/msisaac.c')
-rw-r--r-- | src/mame/drivers/msisaac.c | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/src/mame/drivers/msisaac.c b/src/mame/drivers/msisaac.c new file mode 100644 index 00000000000..67e0a40ddcc --- /dev/null +++ b/src/mame/drivers/msisaac.c @@ -0,0 +1,611 @@ +/**************************************************************************** + + Metal Soldier Isaac II (c) Taito 1985 + + driver by Jaroslaw Burczynski + +****************************************************************************/ + +#include <math.h> +#include "driver.h" +#include "cpu/z80/z80.h" +#include "cpu/m6805/m6805.h" +#include "sound/ay8910.h" +#include "sound/msm5232.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. +*/ + +/* in machine/buggychl.c */ +READ8_HANDLER( buggychl_68705_portA_r ); +WRITE8_HANDLER( buggychl_68705_portA_w ); +WRITE8_HANDLER( buggychl_68705_ddrA_w ); +READ8_HANDLER( buggychl_68705_portB_r ); +WRITE8_HANDLER( buggychl_68705_portB_w ); +WRITE8_HANDLER( buggychl_68705_ddrB_w ); +READ8_HANDLER( buggychl_68705_portC_r ); +WRITE8_HANDLER( buggychl_68705_portC_w ); +WRITE8_HANDLER( buggychl_68705_ddrC_w ); +WRITE8_HANDLER( buggychl_mcu_w ); +READ8_HANDLER( buggychl_mcu_r ); +READ8_HANDLER( buggychl_mcu_status_r ); + + +//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) cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE); + else pending_nmi = 1; +} + +static WRITE8_HANDLER( sound_command_w ) +{ + soundlatch_w(0,data); + timer_call_after_resynch(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) + { + cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE); + pending_nmi = 0; + } +} + +#if 0 +static WRITE8_HANDLER( flip_screen_w ) +{ + flip_screen_set(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; + break; + + /*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= (readinputport(4)>>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; + } + break; + + /*This controls the arms when they return to the player. */ + case 0x07: + return 0x45; + break; + + default: + logerror("CPU#0 read from MCU pc=%4x, mcu_val=%2x\n", activecpu_get_pc(), mcu_val ); + return mcu_val; + break; + } +#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",activecpu_get_pc(),data); + mcu_val = data; +#endif +} + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0xdfff) AM_READ(MRA8_ROM) + AM_RANGE(0xe000, 0xe7ff) AM_READ(MRA8_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(input_port_0_r) + AM_RANGE(0xf081, 0xf081) AM_READ(input_port_1_r) + AM_RANGE(0xf082, 0xf082) AM_READ(input_port_2_r) + AM_RANGE(0xf083, 0xf083) AM_READ(input_port_3_r) + AM_RANGE(0xf084, 0xf084) AM_READ(input_port_4_r) +//AM_RANGE(0xf086, 0xf086) AM_READ(input_port_5_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0xdfff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xe000, 0xe7ff) AM_WRITE(MWA8_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(MWA8_NOP) /*sound_reset*/ //???? + + AM_RANGE(0xf000, 0xf000) AM_WRITE(msisaac_bg2_textbank_w) + AM_RANGE(0xf001, 0xf001) AM_WRITE(MWA8_RAM) //??? + AM_RANGE(0xf002, 0xf002) AM_WRITE(MWA8_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(MWA8_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(MRA8_ROM) + AM_RANGE(0x4000, 0x47ff) AM_READ(MRA8_RAM) + AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_r) + AM_RANGE(0xe000, 0xffff) AM_READ(MRA8_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_HANDLER( sound_control_0_w ) +{ + snd_ctrl0 = data & 0xff; + //popmessage("SND0 0=%2x 1=%2x", snd_ctrl0, snd_ctrl1); + + sndti_set_output_gain(SOUND_MSM5232, 0, 0, vol_ctrl[ snd_ctrl0 & 15 ] / 100.0); /* group1 from msm5232 */ + sndti_set_output_gain(SOUND_MSM5232, 0, 1, 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(MWA8_ROM) + AM_RANGE(0x4000, 0x47ff) AM_WRITE(MWA8_RAM) + + AM_RANGE(0x8000, 0x8000) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0x8001, 0x8001) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0x8002, 0x8002) AM_WRITE(AY8910_control_port_1_w) + AM_RANGE(0x8003, 0x8003) AM_WRITE(AY8910_write_port_1_w) + AM_RANGE(0x8010, 0x801d) AM_WRITE(MSM5232_0_w) + AM_RANGE(0x8020, 0x8020) AM_WRITE(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(MWA8_NOP) /*???*/ /* this is NOT mixer_enable */ + +ADDRESS_MAP_END + +#ifdef USE_MCU + +static ADDRESS_MAP_START( mcu_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(11) ) + 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(MRA8_RAM) + AM_RANGE(0x0080, 0x07ff) AM_READ(MRA8_ROM) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( mcu_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(11) ) + 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(MWA8_RAM) + AM_RANGE(0x0080, 0x07ff) AM_WRITE(MWA8_ROM) +ADDRESS_MAP_END + +#endif + +static INPUT_PORTS_START( msisaac ) + PORT_START_TAG("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_TAG("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_TAG("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_TAG("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_TAG("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_TAG("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( REGION_GFX1, 0, char_layout, 0, 64 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, char_layout, 0, 64 ) + GFXDECODE_ENTRY( REGION_GFX1, 0, tile_layout, 0, 64 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, tile_layout, 0, 64 ) +GFXDECODE_END + +static struct MSM5232interface msm5232_interface = +{ + { 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(Z80, 4000000) + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) + + MDRV_CPU_ADD(Z80, 4000000) + /* audio CPU */ + MDRV_CPU_PROGRAM_MAP(readmem_sound,writemem_sound) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) /* source of IRQs is unknown */ + +#ifdef USE_MCU + MDRV_CPU_ADD(M68705,8000000/2/M68705_CLOCK_DIVIDER) /* 4 MHz */ + MDRV_CPU_PROGRAM_MAP(mcu_readmem,mcu_writemem) +#endif + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + + MDRV_MACHINE_RESET(ta7630) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + 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(AY8910, 2000000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) + + MDRV_SOUND_ADD(AY8910, 2000000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) + + MDRV_SOUND_ADD(MSM5232, 2000000) + MDRV_SOUND_CONFIG(msm5232_interface) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + +/*******************************************************************************/ + +ROM_START( msisaac ) + ROM_REGION( 0x10000, REGION_CPU1, 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, REGION_CPU2, 0 ) /* Z80 sound CPU */ + ROM_LOAD( "a34_01.bin", 0x0000, 0x4000, CRC(545e45e7) SHA1(18ddb1ec8809bb62ae1c1068cd16cd3c933bf6ba) ) + + ROM_REGION( 0x0800, REGION_CPU3, 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, REGION_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, REGION_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) |