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https://github.com/holub/mame
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Hooked up MSM5205 sound to Disco Boy [Angelo Salese]
This commit is contained in:
Angelo Salese
parent
b416a585c9
commit
1f75eca15c
@ -3,6 +3,10 @@
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Similar to mitchell.c / egghunt.c .. clearly derived from that hardware
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TODO:
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- move sound HW into proper file (it's 99% IDENTICAL to yunsung8.c)
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- sound volume issues;
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PCB Layout
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----------
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@ -52,7 +56,8 @@ public:
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UINT8 m_ram_bank;
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UINT8 m_gfxbank;
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UINT8 m_port_00;
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int m_adpcm_data;
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int m_adpcm;
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UINT8 m_toggle;
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/* devices */
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device_t *m_audiocpu;
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@ -316,21 +321,32 @@ ADDRESS_MAP_END
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/* Sound */
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//static WRITE8_HANDLER( splash_adpcm_data_w ){
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// state->m_adpcm_data = data;
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//}
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static void splash_msm5205_int( device_t *device )
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static WRITE8_DEVICE_HANDLER( yunsung8_sound_bankswitch_w )
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{
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discoboy_state *state = device->machine().driver_data<discoboy_state>();
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msm5205_data_w(device, state->m_adpcm_data >> 4);
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// state->m_adpcm_data = (state->m_adpcm_data << 4) & 0xf0;
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/* Note: this is bit 5 on yunsung8.c */
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msm5205_reset_w(device, (data & 0x08) >> 3);
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memory_set_bank(device->machine(), "sndbank", data & 0x07);
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if (data != (data & (~0x0f)))
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logerror("%s: Bank %02X\n", device->machine().describe_context(), data);
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}
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static WRITE8_HANDLER( yunsung8_adpcm_w )
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{
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discoboy_state *state = space->machine().driver_data<discoboy_state>();
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/* Swap the nibbles */
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state->m_adpcm = ((data & 0xf) << 4) | ((data >> 4) & 0xf);
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}
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static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 )
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AM_RANGE(0x0000, 0x7fff) AM_ROM
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AM_RANGE(0xf000, 0xf7ff) AM_RAM
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AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("sndbank")
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AM_RANGE(0xe000, 0xe000) AM_DEVWRITE("msm",yunsung8_sound_bankswitch_w)
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AM_RANGE(0xe400, 0xe400) AM_WRITE(yunsung8_adpcm_w)
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AM_RANGE(0xec00, 0xec01) AM_DEVWRITE("ymsnd", ym3812_w)
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AM_RANGE(0xf000, 0xf7ff) AM_RAM
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AM_RANGE(0xf800, 0xf800) AM_READ(soundlatch_r)
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ADDRESS_MAP_END
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@ -365,9 +381,9 @@ static INPUT_PORTS_START( discoboy )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1)
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
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PORT_START("P1")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
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@ -430,15 +446,6 @@ static GFXDECODE_START( discoboy )
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GFXDECODE_ENTRY( "gfx2", 0, tiles8x8_layout2, 0x000, 128 )
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GFXDECODE_END
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static const msm5205_interface discoboy_msm5205_interface =
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{
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splash_msm5205_int, /* IRQ handler */
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MSM5205_S48_4B /* ??? unknown hz */
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};
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static MACHINE_START( discoboy )
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{
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discoboy_state *state = machine.driver_data<discoboy_state>();
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@ -448,7 +455,8 @@ static MACHINE_START( discoboy )
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state->save_item(NAME(state->m_ram_bank));
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state->save_item(NAME(state->m_port_00));
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state->save_item(NAME(state->m_gfxbank));
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state->save_item(NAME(state->m_adpcm_data));
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state->save_item(NAME(state->m_adpcm));
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state->save_item(NAME(state->m_toggle));
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}
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static MACHINE_RESET( discoboy )
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@ -458,9 +466,26 @@ static MACHINE_RESET( discoboy )
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state->m_ram_bank = 0;
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state->m_port_00 = 0;
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state->m_gfxbank = 0;
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state->m_adpcm_data = 0x80;
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state->m_adpcm = 0x80;
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state->m_toggle = 0;
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}
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static void yunsung8_adpcm_int( device_t *device )
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{
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discoboy_state *state = device->machine().driver_data<discoboy_state>();
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msm5205_data_w(device, state->m_adpcm >> 4);
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state->m_adpcm <<= 4;
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state->m_toggle ^= 1;
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}
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static const msm5205_interface yunsung8_msm5205_interface =
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{
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yunsung8_adpcm_int, /* interrupt function */
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MSM5205_S96_4B /* 4KHz, 4 Bits */
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};
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static MACHINE_CONFIG_START( discoboy, discoboy_state )
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/* basic machine hardware */
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@ -491,15 +516,16 @@ static MACHINE_CONFIG_START( discoboy, discoboy_state )
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MCFG_VIDEO_START(discoboy)
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
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MCFG_SOUND_ADD("ymsnd", YM3812, 2500000)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.6)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.6)
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MCFG_SOUND_ADD("msm", MSM5205, 384000) // ???? unknown
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MCFG_SOUND_CONFIG(discoboy_msm5205_interface)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
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MCFG_SOUND_ADD("msm", MSM5205, XTAL_400kHz) // ???? unknown
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MCFG_SOUND_CONFIG(yunsung8_msm5205_interface)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.80)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.80)
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MACHINE_CONFIG_END
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@ -509,7 +535,7 @@ ROM_START( discoboy )
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ROM_LOAD( "u18", 0x10000, 0x20000, CRC(88d1282d) SHA1(1f11dad0f577198c54a1dc182ba7502e398b998f) )
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ROM_REGION( 0x20000, "audiocpu", 0 )
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ROM_LOAD( "2.u28", 0x00000, 0x10000, CRC(7c2ed174) SHA1(ace209dc4cc7a4ffca062842defd84cefc5b10d2))
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ROM_LOAD( "2.u28", 0x00000, 0x10000, CRC(7c2ed174) SHA1(ace209dc4cc7a4ffca062842defd84cefc5b10d2) )
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ROM_LOAD( "1.u45", 0x10000, 0x10000, CRC(c266c6df) SHA1(f76e38ded43f56a486cf6569c679ddb57a4165fb) )
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ROM_REGION( 0x100000, "gfx1", ROMREGION_INVERT )
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@ -534,6 +560,7 @@ static DRIVER_INIT( discoboy )
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{
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discoboy_state *state = machine.driver_data<discoboy_state>();
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UINT8 *ROM = machine.region("maincpu")->base();
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UINT8 *AUDIO = machine.region("audiocpu")->base();
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memset(state->m_ram_1, 0, sizeof(state->m_ram_1));
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memset(state->m_ram_2, 0, sizeof(state->m_ram_2));
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@ -549,7 +576,9 @@ static DRIVER_INIT( discoboy )
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memory_configure_bank(machine, "bank1", 0, 8, &ROM[0x10000], 0x4000);
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memory_set_bank(machine, "bank1", 0);
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memory_configure_bank(machine, "sndbank", 0, 8, &AUDIO[0x00000], 0x4000);
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memory_set_bank(machine, "sndbank", 0);
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}
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GAME( 1993, discoboy, 0, discoboy, discoboy, discoboy, ROT270, "Soft Art Co.", "Disco Boy", GAME_SUPPORTS_SAVE )
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GAME( 1993, discoboy, 0, discoboy, discoboy, discoboy, ROT270, "Soft Art Co.", "Disco Boy", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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@ -99,6 +99,8 @@ static WRITE8_DEVICE_HANDLER( yunsung8_sound_bankswitch_w )
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{
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msm5205_reset_w(device, data & 0x20);
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printf("%02x\n",data);
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memory_set_bank(device->machine(), "bank2", data & 0x07);
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if (data != (data & (~0x27)))
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