diff options
Diffstat (limited to 'trunk/src/mame/drivers/skeetsht.c')
-rw-r--r-- | trunk/src/mame/drivers/skeetsht.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/skeetsht.c b/trunk/src/mame/drivers/skeetsht.c new file mode 100644 index 00000000000..a72670c8134 --- /dev/null +++ b/trunk/src/mame/drivers/skeetsht.c @@ -0,0 +1,300 @@ +/*************************************************************************** + + Dynamo Skeet Shot + +***************************************************************************/ + +#include "emu.h" +#include "cpu/mc68hc11/mc68hc11.h" +#include "cpu/tms34010/tms34010.h" +#include "sound/ay8910.h" +#include "video/tlc34076.h" + + +/************************************* + * + * Structs + * + *************************************/ + +class skeetsht_state : public driver_device +{ +public: + skeetsht_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) { } + + UINT16 *m_tms_vram; + UINT8 m_porta_latch; + UINT8 m_ay_sel; + UINT8 m_lastdataw; + UINT16 m_lastdatar; + device_t *m_ay; + device_t *m_tms; +}; + + +/************************************* + * + * Initialisation + * + *************************************/ + +static MACHINE_RESET( skeetsht ) +{ + skeetsht_state *state = machine.driver_data<skeetsht_state>(); + + state->m_ay = machine.device("aysnd"); + state->m_tms = machine.device("tms"); +} + + +/************************************* + * + * Video Functions + * + *************************************/ + +static VIDEO_START ( skeetsht ) +{ +} + +static void skeetsht_scanline_update(screen_device &screen, bitmap_t *bitmap, int scanline, const tms34010_display_params *params) +{ + skeetsht_state *state = screen.machine().driver_data<skeetsht_state>(); + const rgb_t *const pens = tlc34076_get_pens(screen.machine().device("tlc34076")); + UINT16 *vram = &state->m_tms_vram[(params->rowaddr << 8) & 0x3ff00]; + UINT32 *dest = BITMAP_ADDR32(bitmap, scanline, 0); + int coladdr = params->coladdr; + int x; + + for (x = params->heblnk; x < params->hsblnk; x += 2) + { + UINT16 pixels = vram[coladdr++ & 0xff]; + dest[x + 0] = pens[pixels & 0xff]; + dest[x + 1] = pens[pixels >> 8]; + } +} + +static READ16_HANDLER( ramdac_r ) +{ + offset = (offset >> 12) & ~4; + + if (offset & 8) + offset = (offset & ~8) | 4; + + return tlc34076_r(space->machine().device("tlc34076"), offset); +} + +static WRITE16_HANDLER( ramdac_w ) +{ + offset = (offset >> 12) & ~4; + + if (offset & 8) + offset = (offset & ~8) | 4; + + tlc34076_w(space->machine().device("tlc34076"), offset, data); +} + + +/************************************* + * + * CPU Communications + * + *************************************/ + +static void skeetsht_tms_irq(device_t *device, int state) +{ + cputag_set_input_line(device->machine(), "68hc11", MC68HC11_IRQ_LINE, state ? ASSERT_LINE : CLEAR_LINE); +} + + +static WRITE8_HANDLER( tms_w ) +{ + skeetsht_state *state = space->machine().driver_data<skeetsht_state>(); + + if ((offset & 1) == 0) + state->m_lastdataw = data; + else + tms34010_host_w(state->m_tms, offset >> 1, (state->m_lastdataw << 8) | data); +} + +static READ8_HANDLER( tms_r ) +{ + skeetsht_state *state = space->machine().driver_data<skeetsht_state>(); + + if ((offset & 1) == 0) + state->m_lastdatar = tms34010_host_r(state->m_tms, offset >> 1); + + return state->m_lastdatar >> ((offset & 1) ? 0 : 8); +} + + +/************************************* + * + * I/O + * + *************************************/ + +static READ8_HANDLER( hc11_porta_r ) +{ + skeetsht_state *state = space->machine().driver_data<skeetsht_state>(); + + return state->m_porta_latch; +} + +static WRITE8_HANDLER( hc11_porta_w ) +{ + skeetsht_state *state = space->machine().driver_data<skeetsht_state>(); + + if (!(data & 0x8) && (state->m_porta_latch & 8)) + state->m_ay_sel = state->m_porta_latch & 0x10; + + state->m_porta_latch = data; +} + +static WRITE8_HANDLER( ay8910_w ) +{ + skeetsht_state *state = space->machine().driver_data<skeetsht_state>(); + + if (state->m_ay_sel) + ay8910_data_w(state->m_ay, 0, data); + else + ay8910_address_w(state->m_ay, 0, data); +} + + +/************************************* + * + * Main CPU memory handlers + * + *************************************/ + +static ADDRESS_MAP_START( hc11_pgm_map, AS_PROGRAM, 8 ) + AM_RANGE(0x2800, 0x2807) AM_READWRITE(tms_r, tms_w) + AM_RANGE(0x1800, 0x1800) AM_WRITE(ay8910_w) + AM_RANGE(0xb600, 0xbdff) AM_RAM //internal EEPROM + AM_RANGE(0x0000, 0xffff) AM_ROM AM_REGION("68hc11", 0) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( hc11_io_map, AS_IO, 8 ) + AM_RANGE(MC68HC11_IO_PORTA, MC68HC11_IO_PORTA) AM_READWRITE(hc11_porta_r, hc11_porta_w) +ADDRESS_MAP_END + + +/************************************* + * + * Video CPU memory handlers + * + *************************************/ + +static ADDRESS_MAP_START( tms_program_map, AS_PROGRAM, 16 ) + AM_RANGE(0xc0000000, 0xc00001ff) AM_READWRITE(tms34010_io_register_r, tms34010_io_register_w) + AM_RANGE(0x00000000, 0x003fffff) AM_RAM AM_BASE_MEMBER(skeetsht_state,m_tms_vram) + AM_RANGE(0x00440000, 0x004fffff) AM_READWRITE(ramdac_r, ramdac_w) + AM_RANGE(0xff800000, 0xffbfffff) AM_ROM AM_MIRROR(0x00400000) AM_REGION("tms", 0) +ADDRESS_MAP_END + + +/************************************* + * + * Input definitions + * + *************************************/ + +static INPUT_PORTS_START( skeetsht ) +INPUT_PORTS_END + + +/************************************* + * + * 68HC11A1 configuration + * + *************************************/ + +static const hc11_config skeetsht_hc11_config = +{ + 0, + 0x100, /* 256 bytes RAM */ +// 0x200, /* 512 bytes EEPROM */ +}; + + +/************************************* + * + * TMS34010 configuration + * + *************************************/ + +static const tms34010_config tms_config = +{ + TRUE, /* halt on reset */ + "screen", /* the screen operated on */ + 48000000 / 8, /* pixel clock */ + 1, /* pixels per clock */ + skeetsht_scanline_update, /* scanline updater */ + skeetsht_tms_irq, /* generate interrupt */ + NULL, /* write to shiftreg function */ + NULL /* read from shiftreg function */ +}; + + + +/************************************* + * + * Machine driver + * + *************************************/ + +static MACHINE_CONFIG_START( skeetsht, skeetsht_state ) + + MCFG_CPU_ADD("68hc11", MC68HC11, 4000000) // ? + MCFG_CPU_PROGRAM_MAP(hc11_pgm_map) + MCFG_CPU_IO_MAP(hc11_io_map) + MCFG_CPU_CONFIG(skeetsht_hc11_config) + + MCFG_CPU_ADD("tms", TMS34010, 48000000) + MCFG_CPU_CONFIG(tms_config) + MCFG_CPU_PROGRAM_MAP(tms_program_map) + + MCFG_MACHINE_RESET(skeetsht) + + MCFG_TLC34076_ADD("tlc34076", TLC34076_6_BIT) + + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32) + MCFG_SCREEN_RAW_PARAMS(48000000 / 8, 156*4, 0, 100*4, 328, 0, 300) // FIXME + MCFG_SCREEN_UPDATE(tms340x0) + + MCFG_VIDEO_START(skeetsht) + + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("aysnd", AY8910, 2000000) // ? + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) +MACHINE_CONFIG_END + + +/************************************* + * + * ROM definition(s) + * + *************************************/ + +ROM_START( skeetsht ) + ROM_REGION( 0x40000, "68hc11", 0 ) + ROM_LOAD( "hc_11_v1.2.u34", 0x00000, 0x20000, CRC(b9801dea) SHA1(bc5bcd29b5880081c87b4014eb2c9c5077024db1) ) + ROM_LOAD( "sound.u35", 0x20000, 0x20000, CRC(0d9be853) SHA1(51eda4e0a99d50e09476704eb75310b5ee2690f4) ) + + ROM_REGION16_LE( 0x200000, "tms", 0 ) + ROM_LOAD16_BYTE( "even_v1.2.u14", 0x000000, 0x40000, CRC(c7c9515e) SHA1(ce3e813c15085790d5335d9fc751b3cc5b617b20) ) + ROM_LOAD16_BYTE( "odd_v1.2.u13", 0x000001, 0x40000, CRC(ea4402fb) SHA1(b0b6b191a8b48bead660a385c638363943a6ffe2) ) +ROM_END + + +/************************************* + * + * Game driver(s) + * + *************************************/ + +GAME( 1991, skeetsht, 0, skeetsht, skeetsht, 0, ROT0, "Dynamo", "Skeet Shot", GAME_NOT_WORKING ) |