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/*****************************************************************************/ /* */ /* (C) Copyright Peter J.C.Clare */ /* */ /*****************************************************************************/ /* */ /* */ /* Module name: carnival.c */ /* */ /* Creation date: 15/03/98 Revision date: 09/01/99 */ /* */ /* Produced by: Peter J.C.Clare */ /* */ /* */ /* Abstract: */ /* */ /* MAME sound & music driver for Sega/Gremlin Carnival. */ /* */ /*****************************************************************************/ /* */ /* Acknowledgements: */ /* */ /* Mike Coates, for the original Carnival MAME sound driver. */ /* Virtu-Al, for the sound samples & hardware information. */ /* The MAME Team, for the emulator framework. */ /* */ /*****************************************************************************/ /* */ /* Revision history */ /* ================ */ /* */ /* Date Vsn. Initials Description */ /* ~~~~ ~~~~ ~~~~~~~~ ~~~~~~~~~~~ */ /* 03/20/2007 1.1 ZV Moved structures from driver to make */ /* file more self contained. */ /* */ /*****************************************************************************/ #include "driver.h" #include "cpu/mcs48/mcs48.h" #include "sound/ay8910.h" #include "sound/samples.h" #include "includes/vicdual.h" #define PSG_CLOCK (3579545 / 3) /* Hz */ #define CPU_MUSIC_ID (1) /* music CPU id number */ /* output port 0x01 definitions - sound effect drive outputs */ #define OUT_PORT_1_RIFLE_SHOT 0x01 #define OUT_PORT_1_CLANG 0x02 #define OUT_PORT_1_DUCK_1 0x04 #define OUT_PORT_1_DUCK_2 0x08 #define OUT_PORT_1_DUCK_3 0x10 #define OUT_PORT_1_PIPE_HIT 0x20 #define OUT_PORT_1_BONUS_1 0x40 #define OUT_PORT_1_BONUS_2 0x80 /* output port 0x02 definitions - sound effect drive outputs */ #define OUT_PORT_2_BEAR 0x04 #define OUT_PORT_2_MUSIC_T1 0x08 #define OUT_PORT_2_MUSIC_RESET 0x10 #define OUT_PORT_2_RANKING 0x20 /* music CPU port definitions */ #define MUSIC_PORT2_PSG_BDIR 0x40 /* bit 6 on P2 */ #define MUSIC_PORT2_PSG_BC1 0x80 /* bit 7 on P2 */ #define PSG_BC_INACTIVE 0 #define PSG_BC_READ MUSIC_PORT2_PSG_BC1 #define PSG_BC_WRITE MUSIC_PORT2_PSG_BDIR #define PSG_BC_LATCH_ADDRESS ( MUSIC_PORT2_PSG_BDIR | MUSIC_PORT2_PSG_BC1 ) #define PLAY(id,loop) sample_start( id, id, loop ) #define STOP(id) sample_stop( id ) /* sample file names */ static const char *const carnival_sample_names[] = { "*carnival", "bear.wav", "bonus1.wav", "bonus2.wav", "clang.wav", "duck1.wav", "duck2.wav", "duck3.wav", "pipehit.wav", "ranking.wav", "rifle.wav", 0 }; static const samples_interface carnival_samples_interface = { 10, carnival_sample_names }; /* sample IDs - must match sample file name table above */ enum { SND_BEAR = 0, SND_BONUS_1, SND_BONUS_2, SND_CLANG, SND_DUCK_1, SND_DUCK_2, SND_DUCK_3, SND_PIPE_HIT, SND_RANKING, SND_RIFLE_SHOT }; static int port2State = 0; static int psgData = 0; WRITE8_HANDLER( carnival_audio_1_w ) { static int port1State = 0; int bitsChanged; int bitsGoneHigh; int bitsGoneLow; /* U64 74LS374 8 bit latch */ /* bit 0: connector pin 36 - rifle shot */ /* bit 1: connector pin 35 - clang */ /* bit 2: connector pin 33 - duck #1 */ /* bit 3: connector pin 34 - duck #2 */ /* bit 4: connector pin 32 - duck #3 */ /* bit 5: connector pin 31 - pipe hit */ /* bit 6: connector pin 30 - bonus #1 */ /* bit 7: connector pin 29 - bonus #2 */ bitsChanged = port1State ^ data; bitsGoneHigh = bitsChanged & data; bitsGoneLow = bitsChanged & ~data; port1State = data; if ( bitsGoneLow & OUT_PORT_1_RIFLE_SHOT ) { PLAY( SND_RIFLE_SHOT, 0 ); } if ( bitsGoneLow & OUT_PORT_1_CLANG ) { PLAY( SND_CLANG, 0 ); } if ( bitsGoneLow & OUT_PORT_1_DUCK_1 ) { PLAY( SND_DUCK_1, 1 ); } if ( bitsGoneHigh & OUT_PORT_1_DUCK_1 ) { STOP( SND_DUCK_1 ); } if ( bitsGoneLow & OUT_PORT_1_DUCK_2 ) { PLAY( SND_DUCK_2, 1 ); } if ( bitsGoneHigh & OUT_PORT_1_DUCK_2 ) { STOP( SND_DUCK_2 ); } if ( bitsGoneLow & OUT_PORT_1_DUCK_3 ) { PLAY( SND_DUCK_3, 1 ); } if ( bitsGoneHigh & OUT_PORT_1_DUCK_3 ) { STOP( SND_DUCK_3 ); } if ( bitsGoneLow & OUT_PORT_1_PIPE_HIT ) { PLAY( SND_PIPE_HIT, 0 ); } if ( bitsGoneLow & OUT_PORT_1_BONUS_1 ) { PLAY( SND_BONUS_1, 0 ); } if ( bitsGoneLow & OUT_PORT_1_BONUS_2 ) { PLAY( SND_BONUS_2, 0 ); } } WRITE8_HANDLER( carnival_audio_2_w ) { int bitsChanged; int bitsGoneHigh; int bitsGoneLow; /* U63 74LS374 8 bit latch */ /* bit 0: connector pin 48 */ /* bit 1: connector pin 47 */ /* bit 2: connector pin 45 - bear */ /* bit 3: connector pin 46 - Music !T1 input */ /* bit 4: connector pin 44 - Music reset */ /* bit 5: connector pin 43 - ranking */ /* bit 6: connector pin 42 */ /* bit 7: connector pin 41 */ bitsChanged = port2State ^ data; bitsGoneHigh = bitsChanged & data; bitsGoneLow = bitsChanged & ~data; port2State = data; if ( bitsGoneLow & OUT_PORT_2_BEAR ) PLAY( SND_BEAR, 0 ); if ( bitsGoneLow & OUT_PORT_2_RANKING ) PLAY( SND_RANKING, 0 ); if ( bitsGoneHigh & OUT_PORT_2_MUSIC_RESET ) /* reset output is no longer asserted active low */ cpu_set_input_line(space->machine->cpu[CPU_MUSIC_ID], INPUT_LINE_RESET, PULSE_LINE ); } static READ8_HANDLER( carnival_music_port_t1_r ) { /* note: 8039 T1 signal is inverted on music board */ return ( port2State & OUT_PORT_2_MUSIC_T1 ) ? 0 : 1; } static WRITE8_HANDLER( carnival_music_port_1_w ) { psgData = data; } static WRITE8_HANDLER( carnival_music_port_2_w ) { static int psgSelect = 0; int newSelect; newSelect = data & ( MUSIC_PORT2_PSG_BDIR | MUSIC_PORT2_PSG_BC1 ); if ( psgSelect != newSelect ) { psgSelect = newSelect; switch ( psgSelect ) { case PSG_BC_INACTIVE: /* do nowt */ break; case PSG_BC_READ: /* not very sensible for a write */ break; case PSG_BC_WRITE: ay8910_write_port_0_w( space, 0, psgData ); break; case PSG_BC_LATCH_ADDRESS: ay8910_control_port_0_w( space, 0, psgData ); break; } } } static ADDRESS_MAP_START( carnival_audio_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x07ff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( carnival_audio_io_map, ADDRESS_SPACE_IO, 8 ) AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(carnival_music_port_t1_r) AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(carnival_music_port_1_w) AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(carnival_music_port_2_w) ADDRESS_MAP_END MACHINE_DRIVER_START( carnival_audio ) MDRV_CPU_ADD("audio", I8039, 3579545) MDRV_CPU_PROGRAM_MAP(carnival_audio_map,0) MDRV_CPU_IO_MAP(carnival_audio_io_map,0) MDRV_QUANTUM_TIME(HZ(600)) MDRV_SOUND_ADD("psg", AY8910, PSG_CLOCK) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.10) MDRV_SOUND_ADD("samples", SAMPLES, 0) MDRV_SOUND_CONFIG(carnival_samples_interface) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MACHINE_DRIVER_END
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