/*************************************************************************** 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(); 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(); 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(); 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(); 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(); return state->m_porta_latch; } static WRITE8_HANDLER( hc11_porta_w ) { skeetsht_state *state = space->machine().driver_data(); 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(); 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 )