diff options
Diffstat (limited to 'trunk/src/mame/drivers/bmcbowl.c')
-rw-r--r-- | trunk/src/mame/drivers/bmcbowl.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/bmcbowl.c b/trunk/src/mame/drivers/bmcbowl.c new file mode 100644 index 00000000000..5ef489ef48a --- /dev/null +++ b/trunk/src/mame/drivers/bmcbowl.c @@ -0,0 +1,553 @@ +/* +BMC Bowling (c) 1994.05 BMC, Ltd + +- TS 2004.10.22 - analog[at]op.pl + + Game is almost playable, especially with NVRAM_HACK (undefine it + to get real nvram access, but sometimes it's impossible to get back to + title screen ). + + Controls: + + press START(1) OR BUTTON1 to start game , also START(1) or BUTTON1 to bowl / start + ( 5 to insert coin(s) , B to bet , D to pay out (?) etc...) + + press ANALIZER(0) durning boot to enter test menu, then : + STOP1+STOP2 - sound test menu + BIG(G) - cycle options , + DOUBLE(H) - play + STOP1(X),STOP2(C) - change + TAKE(A) - color test + START(1) - exit + BET(B)+START(1) - other tests + START(1) - next test + + press START(1)+HP(S) durning boot to see stats + + press CONFIRM(N) durning boot, to enter settings + BET(B) - change page + STOP1(X)/STOP3(V) - modify + START(1)/SMALL(F) - move + KEY DOWN(D) - default ? + +TODO: + + - scroll (writes to $91800 and VIA port A - not used in game (only in test mode)) + - music - writes ($20-$30 bytes) to $93000-$93003 range + - VIA 6522(ports) + - Crt + - interrupts + - missing gfx elements + +--- + +Chips: +MC68000P10 +Goldstar GM68B45S (same as Hitachi HD6845 CTR Controller)* +Winbond WF19054 (same as AY3-8910) +MK28 (appears to be a AD-65, AKA OKI6295) next to rom 10 +Synertek SY6522 VIA +9325-AG (Elliptical Filter) +KDA0476BCN-66 (RAMDAC) +part # scratched 64 pin PLCC next to 7EX & 8 EX + +Ram: +Goldstar GM76C28A (2Kx8 SRAM) x3 +HM62256LP-12 x6 + +OSC: +GREAT1 21.47727 +13.3M +3.579545 + +DIPS: +Place for 4 8 switch dips +dips 1 & 3 are all connected via resitors +dips 2 & 4 are standard 8 switch dips + +EEPROM Label Use +---------------------------------------- +ST M27C1001 bmc_8ex.bin - 68K code 0x00 +ST M27C1001 bmc_7ex.bin - 68K code 0x01 +ST M27C512 bmc_3.bin\ +ST M27C512 bmc_4.bin | Graphics +ST M27C512 bmc_5.bin | +ST M27C512 bmc_6.bin/ +HM27C101AG bmc_10.bin - Sound samples + +BrianT + +Top board: + --- Edge Connection --- +GS9403 7EX 8EX Part # Misc HD74LS374p + Scratched HM62256 HM62256 + PLC + OKI ST T74L6245BI + PEEl 18CV8P + 10 + + + +Main board: + --- Edge Connection --- JAMMA Connection + 68K GM76C28A 3 5 GMC76C28A + GM76C28A 4 6 GM68B45S BATTERY + +21.47727MHz WF19054 + DIP1 +13.3Mhz DIP2 + SY6522 HM62256 x4 3.579545MHz 9325-AG DIP3 + KDA0476BCN-66 DIP4 +*/ + +#include "emu.h" +#include "cpu/m68000/m68000.h" +#include "machine/6522via.h" +#include "sound/ay8910.h" +#include "sound/okim6295.h" + + +class bmcbowl_state : public driver_device +{ +public: + bmcbowl_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) , + m_stats_ram(*this, "stats_ram", 16), + m_vid1(*this, "vid1"), + m_vid2(*this, "vid2"){ } + + optional_shared_ptr<UINT8> m_stats_ram; + required_shared_ptr<UINT16> m_vid1; + required_shared_ptr<UINT16> m_vid2; + UINT8 *m_bmc_colorram; + int m_clr_offset; + int m_bmc_input; + DECLARE_READ16_MEMBER(bmc_random_read); + DECLARE_READ16_MEMBER(bmc_protection_r); + DECLARE_WRITE16_MEMBER(bmc_RAMDAC_offset_w); + DECLARE_WRITE16_MEMBER(bmc_RAMDAC_color_w); + DECLARE_WRITE16_MEMBER(scroll_w); +}; + + + + +#define NVRAM_HACK + +static VIDEO_START( bmcbowl ) +{ +} + +static SCREEN_UPDATE_IND16( bmcbowl ) +{ + bmcbowl_state *state = screen.machine().driver_data<bmcbowl_state>(); +/* + 280x230,4 bitmap layers, 8bpp, + missing scroll and priorities (maybe fixed ones) +*/ + + int x,y,z,pixdat; + bitmap.fill(get_black_pen(screen.machine()), cliprect); + + z=0; + for (y=0;y<230;y++) + { + for (x=0;x<280;x+=2) + { + pixdat = state->m_vid2[0x8000+z]; + + if(pixdat&0xff) + bitmap.pix16(y, x+1) = (pixdat&0xff); + if(pixdat>>8) + bitmap.pix16(y, x) = (pixdat>>8); + + pixdat = state->m_vid2[z]; + + if(pixdat&0xff) + bitmap.pix16(y, x+1) = (pixdat&0xff); + if(pixdat>>8) + bitmap.pix16(y, x) = (pixdat>>8); + + pixdat = state->m_vid1[0x8000+z]; + + if(pixdat&0xff) + bitmap.pix16(y, x+1) = (pixdat&0xff); + if(pixdat>>8) + bitmap.pix16(y, x) = (pixdat>>8); + + pixdat = state->m_vid1[z]; + + if(pixdat&0xff) + bitmap.pix16(y, x+1) = (pixdat&0xff); + if(pixdat>>8) + bitmap.pix16(y, x) = (pixdat>>8); + + z++; + } + } + return 0; +} + +READ16_MEMBER(bmcbowl_state::bmc_random_read) +{ + return machine().rand(); +} + +READ16_MEMBER(bmcbowl_state::bmc_protection_r) +{ + switch(cpu_get_previouspc(&space.device())) + { + case 0xca68: + switch(cpu_get_reg(&space.device(), M68K_D2)) + { + case 0: return 0x37<<8; + case 0x1013: return 0; + default: return 0x46<<8; + } + break; + } + logerror("Protection read @ %X\n",cpu_get_previouspc(&space.device())); + return machine().rand(); +} + +WRITE16_MEMBER(bmcbowl_state::bmc_RAMDAC_offset_w) +{ + m_clr_offset=data*3; +} + +WRITE16_MEMBER(bmcbowl_state::bmc_RAMDAC_color_w) +{ + m_bmc_colorram[m_clr_offset]=data; + palette_set_color_rgb(machine(),m_clr_offset/3,pal6bit(m_bmc_colorram[(m_clr_offset/3)*3]),pal6bit(m_bmc_colorram[(m_clr_offset/3)*3+1]),pal6bit(m_bmc_colorram[(m_clr_offset/3)*3+2])); + m_clr_offset=(m_clr_offset+1)%768; +} + +WRITE16_MEMBER(bmcbowl_state::scroll_w) +{ + //TODO - scroll +} + + +static READ8_DEVICE_HANDLER(via_b_in) +{ + return device->machine().root_device().ioport("IN3")->read(); +} + + +static WRITE8_DEVICE_HANDLER(via_a_out) +{ + // related to video hw ? BG scroll ? +} + +static WRITE8_DEVICE_HANDLER(via_b_out) +{ + //used +} + +static WRITE8_DEVICE_HANDLER(via_ca2_out) +{ + //used +} + + +static WRITE8_DEVICE_HANDLER(via_irq) +{ + cputag_set_input_line(device->machine(), "maincpu", 4, data ? ASSERT_LINE : CLEAR_LINE); +} + + +// 'working' NVRAM + +#ifdef NVRAM_HACK +static const UINT8 bmc_nv1[]= +{ + 0x00,0x00,0x55,0x55,0x00,0x00,0x55,0x55,0x00,0x00,0x55,0x55,0x00,0x00,0x55,0x55,0x13,0x88,0x46,0xDD,0x0F,0xA0, + 0x5A,0xF5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x6E,0x55, + 0x55,0x55,0x3B,0x00,0x00,0x00,0x06,0x55,0x55,0x55,0x53,0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,0x00,0x00,0x00, + 0x00,0x55,0x55,0x55,0x55,0x00,0x00,0x00,0x6E,0x55,0x55,0x55,0x3B,0x00,0x00,0x00,0x06,0x55,0x55,0x55,0x53,0x00, + 0x00,0x00,0x00,0x55,0x55,0x55,0x55,0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,0x00,0x00,0x00,0x00,0x55,0x55,0x55, + 0x55,0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,0x00,0x00,0x00,0x00,0x55,0x55,0x55,0x55,0xFF,0x00,0x0A,0x00,0x0A, + 0x00,0x32,0x00,0x02,0x28,0x32,0x5C,0x0A,0x03,0x03,0xD6,0x66,0xFF,0xFF,0xFF,0xFF,0x5D,0xED,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x25,0xD5,0x25,0x1C,0x00,0x00,0x00,0x00, + 0x00,0x96,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x6E, + 0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x96,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0xDC,0x00,0xFF,0xFF,0xFF,0xFF +}; + +static const UINT8 bmc_nv2[]= +{ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x03,0x00,0x09,0x00,0x00,0x2B,0xF1, + 0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF +}; + +static const UINT8 bmc_nv3[]= +{ + 0xFA,0xFF,0x01,0x02,0x04,0x0A,0x1E,0xC8,0x02,0x01,0xFF,0xFF,0xFF,0xFF,0xFF +}; + + +static void init_stats(bmcbowl_state *state, const UINT8 *table, int table_len, int address) +{ + int i; + for (i=0; i<table_len; i++) + state->m_stats_ram[address+2*i]=table[i]; +} +#endif + +static NVRAM_HANDLER( bmcbowl ) +{ + bmcbowl_state *state = machine.driver_data<bmcbowl_state>(); + int i; + + if (read_or_write) + file->write(state->m_stats_ram, state->m_stats_ram.bytes()); + else + +#ifdef NVRAM_HACK + for (i = 0; i < state->m_stats_ram.bytes(); i++) + state->m_stats_ram[i] = 0xff; + + init_stats(state,bmc_nv1,ARRAY_LENGTH(bmc_nv1),0); + init_stats(state,bmc_nv2,ARRAY_LENGTH(bmc_nv2),0x3b0); + init_stats(state,bmc_nv3,ARRAY_LENGTH(bmc_nv3),0xfe2); +#else + if (file) + file->read(state->m_stats_ram, state->m_stats_ram.bytes()); + else + + for (i = 0; i < state->m_stats_ram.bytes(); i++) + state->m_stats_ram[i] = 0xff; +#endif + +} + +static ADDRESS_MAP_START( bmcbowl_mem, AS_PROGRAM, 16, bmcbowl_state ) + AM_RANGE(0x000000, 0x01ffff) AM_ROM + + AM_RANGE(0x090000, 0x090001) AM_WRITE(bmc_RAMDAC_offset_w) + AM_RANGE(0x090002, 0x090003) AM_WRITE(bmc_RAMDAC_color_w) + AM_RANGE(0x090004, 0x090005) AM_WRITENOP//RAMDAC + + AM_RANGE(0x090800, 0x090803) AM_WRITENOP + AM_RANGE(0x091000, 0x091001) AM_WRITENOP + AM_RANGE(0x091800, 0x091801) AM_WRITE(scroll_w) + + AM_RANGE(0x092000, 0x09201f) AM_DEVREADWRITE8("via6522_0", via6522_device, read, write, 0x00ff) + + AM_RANGE(0x093000, 0x093003) AM_WRITENOP // related to music + AM_RANGE(0x092800, 0x092803) AM_DEVWRITE8_LEGACY("aysnd", ay8910_data_address_w, 0xff00) + AM_RANGE(0x092802, 0x092803) AM_DEVREAD8_LEGACY("aysnd", ay8910_r, 0xff00) + AM_RANGE(0x093802, 0x093803) AM_READ_PORT("IN0") + AM_RANGE(0x095000, 0x095fff) AM_RAM AM_SHARE("stats_ram") /* 8 bit */ + AM_RANGE(0x097000, 0x097001) AM_READNOP + AM_RANGE(0x140000, 0x1bffff) AM_ROM + AM_RANGE(0x1c0000, 0x1effff) AM_RAM AM_SHARE("vid1") + AM_RANGE(0x1f0000, 0x1fffff) AM_RAM + AM_RANGE(0x200000, 0x21ffff) AM_RAM AM_SHARE("vid2") + + AM_RANGE(0x28c000, 0x28c001) AM_DEVREADWRITE8("oki", okim6295_device, read, write, 0xff00) + + /* protection device*/ + AM_RANGE(0x30c000, 0x30c001) AM_WRITENOP + AM_RANGE(0x30c040, 0x30c041) AM_WRITENOP + AM_RANGE(0x30c080, 0x30c081) AM_WRITENOP + AM_RANGE(0x30c0c0, 0x30c0c1) AM_WRITENOP + AM_RANGE(0x30c100, 0x30c101) AM_READ(bmc_protection_r) + AM_RANGE(0x30c140, 0x30c141) AM_WRITENOP + AM_RANGE(0x30ca00, 0x30ca01) AM_READ(bmc_random_read) AM_WRITENOP +ADDRESS_MAP_END + + +static INPUT_PORTS_START( bmcbowl ) + PORT_START("IN0") /* DSW 1 */ + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_NAME("Note") + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_SERVICE2 ) PORT_NAME("Analizer") + + PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Pay") PORT_CODE(KEYCODE_M) + PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Stop") PORT_CODE(KEYCODE_Z) + PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Stop 1") PORT_CODE(KEYCODE_X) + PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Stop 2") PORT_CODE(KEYCODE_C) + PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Stop 3") PORT_CODE(KEYCODE_V) + PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Bet") PORT_CODE(KEYCODE_B) + PORT_BIT(0x0400, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Confirm") PORT_CODE(KEYCODE_N) + + + PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Start") + PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Take") PORT_CODE(KEYCODE_A) + PORT_BIT(0x0200, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("HP") PORT_CODE(KEYCODE_S) + PORT_BIT(0x0800, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Key Down") PORT_CODE(KEYCODE_D) + PORT_BIT(0x2000, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Small") PORT_CODE(KEYCODE_F) + PORT_BIT(0x4000, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Big") PORT_CODE(KEYCODE_G) + PORT_BIT(0x8000, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Double") PORT_CODE(KEYCODE_H) + + PORT_START("IN1") /* DSW 2 */ + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x20, "1 COIN 10 CREDITS" ) + PORT_DIPSETTING( 0x00, "2 COINS 10 CREDITS" ) + + PORT_DIPNAME( 0x01, 0x00, "DSW2 8" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x00, "DSW2 7" ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x00, "DSW2 6" ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x00, "DSW2 5" ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x00, "DSW2 4" ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_DIPNAME( 0x40, 0x00, "DSW2 2" ) + PORT_DIPSETTING( 0x040, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, "DSW2 1" ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("IN2") /* DSW 4 */ + PORT_DIPNAME( 0x01, 0x00, "DSW4 8" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x00, "DSW4 7" ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x00, "DSW4 6" ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x00, "DSW4 5" ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x00, "DSW4 4" ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x00, "DSW4 3" ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x00, "DSW4 2" ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, "DSW4 1" ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("IN3") + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen") + +INPUT_PORTS_END + +static READ8_DEVICE_HANDLER(dips1_r) +{ + bmcbowl_state *state = device->machine().driver_data<bmcbowl_state>(); + switch(state->m_bmc_input) + { + case 0x00: return state->ioport("IN1")->read(); + case 0x40: return state->ioport("IN2")->read(); + } + logerror("%s:unknown input - %X\n",device->machine().describe_context(),state->m_bmc_input); + return 0xff; +} + + +static WRITE8_DEVICE_HANDLER(input_mux_w) +{ + bmcbowl_state *state = device->machine().driver_data<bmcbowl_state>(); + state->m_bmc_input=data; +} + + +static const ay8910_interface ay8910_config = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_HANDLER(dips1_r), + DEVCB_NULL, + DEVCB_NULL, + DEVCB_HANDLER(input_mux_w) +}; + + +static const via6522_interface via_interface = +{ + /*inputs : A/B */ DEVCB_NULL, DEVCB_HANDLER(via_b_in), + /*inputs : CA/B1,CA/B2 */ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, + /*outputs: A/B */ DEVCB_HANDLER(via_a_out), DEVCB_HANDLER(via_b_out), + /*outputs: CA/B1,CA/B2 */ DEVCB_NULL, DEVCB_NULL, DEVCB_HANDLER(via_ca2_out), DEVCB_NULL, + /*irq */ DEVCB_HANDLER(via_irq) +}; + +static MACHINE_RESET( bmcbowl ) +{ +} + +static MACHINE_CONFIG_START( bmcbowl, bmcbowl_state ) + MCFG_CPU_ADD("maincpu", M68000, 21477270/2 ) + MCFG_CPU_PROGRAM_MAP(bmcbowl_mem) + MCFG_CPU_VBLANK_INT("screen",irq2_line_hold) + + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) + MCFG_SCREEN_SIZE(35*8, 30*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 35*8-1, 0*8, 29*8-1) + MCFG_SCREEN_UPDATE_STATIC(bmcbowl) + + MCFG_PALETTE_LENGTH(256) + + MCFG_VIDEO_START(bmcbowl) + + MCFG_NVRAM_HANDLER(bmcbowl) + MCFG_MACHINE_RESET(bmcbowl) + + MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") + + MCFG_SOUND_ADD("aysnd", AY8910, 3579545/2) + MCFG_SOUND_CONFIG(ay8910_config) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50) + + MCFG_OKIM6295_ADD("oki", 1122000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50) + + /* via */ + MCFG_VIA6522_ADD("via6522_0", 1000000, via_interface) +MACHINE_CONFIG_END + +ROM_START( bmcbowl ) + ROM_REGION( 0x200000, "maincpu", 0 ) /* 68000 Code */ + ROM_LOAD16_BYTE( "bmc_8ex.bin", 0x000000, 0x10000, CRC(8b1aa5db) SHA1(879df950bedf2c163ba89d983ca4a0691b01c46e) ) + ROM_LOAD16_BYTE( "bmc_7ex.bin", 0x000001, 0x10000, CRC(7726d47a) SHA1(8438c3345847c2913c640a29145ec8502f6b01e7) ) + + ROM_LOAD16_BYTE( "bmc_4.bin", 0x140000, 0x10000, CRC(f43880d6) SHA1(9e73a29baa84d417ff88026896d852567a38e714) ) + ROM_RELOAD(0x160000,0x10000) + ROM_LOAD16_BYTE( "bmc_3.bin", 0x140001, 0x10000, CRC(d1af9410) SHA1(e66b3ddd9d9e3c567fdb140c4c8972c766f2b975) ) + ROM_RELOAD(0x160001,0x10000) + + ROM_LOAD16_BYTE( "bmc_6.bin", 0x180000, 0x20000, CRC(7b9e0d77) SHA1(1ec1c92c6d4c512f7292b77e9663518085684ba9) ) + ROM_LOAD16_BYTE( "bmc_5.bin", 0x180001, 0x20000, CRC(708b6f8b) SHA1(4a910126d87c11fed99f44b61d51849067eddc02) ) + + ROM_REGION( 0x040000, "oki", 0 ) /* Samples */ + ROM_LOAD( "bmc_10.bin", 0x00000, 0x20000, CRC(f840c17f) SHA1(82891a85c8dc60f727b5a8c8e8ab09e8e4bd8af4) ) + +ROM_END + +static DRIVER_INIT(bmcbowl) +{ + bmcbowl_state *state = machine.driver_data<bmcbowl_state>(); + state->m_bmc_colorram = auto_alloc_array(machine, UINT8, 768); +} + +GAME( 1994, bmcbowl, 0, bmcbowl, bmcbowl, bmcbowl, ROT0, "BMC", "Konkyuu no Hoshi", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS ) |