diff options
Diffstat (limited to 'src/mame/drivers/idsa.cpp')
-rw-r--r-- | src/mame/drivers/idsa.cpp | 81 |
1 files changed, 10 insertions, 71 deletions
diff --git a/src/mame/drivers/idsa.cpp b/src/mame/drivers/idsa.cpp index ee1ffc1dcc3..024150bae00 100644 --- a/src/mame/drivers/idsa.cpp +++ b/src/mame/drivers/idsa.cpp @@ -9,8 +9,8 @@ Hardware: --------- CPU: Z80 @ 4 MHz INT: IRQ @ 977 Hz (4MHz/2048/2) or 488 Hz (4MHz/2048/4) -DRIVERS: bsktbllp: 2 x 8255 driving lamps and coils, used as demultiplexers only (no read access) -DISPLAY: bsktbllp: 7-digit 7-segment panels with PROM-based 5-bit BCD data (allowing a simple alphabet) +DRIVERS: 2 x 8255 driving lamps and coils, used as demultiplexers only (no read access) +DISPLAY: bsktball: 7-digit 7-segment panels with PROM-based 5-bit BCD data (allowing a simple alphabet) v1: 6-digit 7-segment panels with BCD decoding SOUND: 2 x AY8910 @ 2 MHz (also used as output interface) plus SP0256 @ 3.12 MHz on board @@ -50,14 +50,6 @@ public: DECLARE_READ8_MEMBER(portb0_r); DECLARE_WRITE8_MEMBER(port80_w); DECLARE_WRITE8_MEMBER(port90_w); - DECLARE_WRITE8_MEMBER(ppi_control_w); - DECLARE_WRITE8_MEMBER(ppi_data_w); - DECLARE_WRITE8_MEMBER(ppi1_a_w); - DECLARE_WRITE8_MEMBER(ppi1_b_w); - DECLARE_WRITE8_MEMBER(ppi1_c_w); - DECLARE_WRITE8_MEMBER(ppi2_a_w); - DECLARE_WRITE8_MEMBER(ppi2_b_w); - DECLARE_WRITE8_MEMBER(ppi2_c_w); DECLARE_WRITE8_MEMBER(ay1_a_w); DECLARE_WRITE8_MEMBER(ay1_b_w); DECLARE_WRITE8_MEMBER(ay2_a_w); @@ -70,7 +62,7 @@ private: uint8_t m_ppi_data; required_device<cpu_device> m_maincpu; required_device<sp0256_device> m_speech; - optional_device_array<i8255_device, 2> m_ppi; + required_device_array<i8255_device, 2> m_ppi; }; static ADDRESS_MAP_START( maincpu_map, AS_PROGRAM, 8, idsa_state ) @@ -239,7 +231,7 @@ WRITE8_MEMBER( idsa_state::port90_w ) } // AY ports are for lamps and solenoids -WRITE8_MEMBER( idsa_state::ppi_control_w ) +WRITE8_MEMBER( idsa_state::ay1_a_w ) { //logerror("%s: AY1 port A = %02X\n", machine().describe_context(), data); if (!BIT(data, 2)) @@ -248,49 +240,9 @@ WRITE8_MEMBER( idsa_state::ppi_control_w ) m_ppi[1]->write(space, data & 0x03, m_ppi_data); } -WRITE8_MEMBER( idsa_state::ppi_data_w ) -{ - m_ppi_data = data; -} - -WRITE8_MEMBER( idsa_state::ppi1_a_w ) -{ - logerror("%s: PPI1 port A = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ppi1_b_w ) -{ - logerror("%s: PPI1 port B = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ppi1_c_w ) -{ - logerror("%s: PPI1 port C = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ppi2_a_w ) -{ - logerror("%s: PPI2 port A = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ppi2_b_w ) -{ - logerror("%s: PPI2 port B = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ppi2_c_w ) -{ - logerror("%s: PPI2 port C = %02X\n", machine().describe_context(), data); -} - -WRITE8_MEMBER( idsa_state::ay1_a_w ) -{ - //logerror("%s: AY1 port A = %02X\n", machine().describe_context(), data); -} - WRITE8_MEMBER( idsa_state::ay1_b_w ) { - //logerror("%s: AY1 port B = %02X\n", machine().describe_context(), data); + m_ppi_data = data; } WRITE8_MEMBER( idsa_state::ay2_a_w ) @@ -339,33 +291,21 @@ static MACHINE_CONFIG_START( idsa ) /* sound hardware */ MCFG_FRAGMENT_ADD( genpin_audio ) MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") - MCFG_SOUND_ADD("speech", SP0256, 3120000) // unknown variant + MCFG_SOUND_ADD("speech", SP0256, 3120000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.5) MCFG_SOUND_ADD("aysnd1", AY8910, 2000000) // 2Mhz according to pinmame, schematic omits the clock line + MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(idsa_state, ay1_a_w)) + MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(idsa_state, ay1_b_w)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.75) MCFG_SOUND_ADD("aysnd2", AY8910, 2000000) - MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(idsa_state, ay1_a_w)) - MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(idsa_state, ay1_b_w)) MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(idsa_state, ay2_a_w)) MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(idsa_state, ay2_b_w)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.75) -MACHINE_CONFIG_END - -static MACHINE_CONFIG_DERIVED( bsktbllp, idsa ) - MCFG_DEVICE_MODIFY("aysnd1") - MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(idsa_state, ppi_control_w)) - MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(idsa_state, ppi_data_w)) MCFG_DEVICE_ADD("ppi1", I8255, 0) - MCFG_I8255_OUT_PORTA_CB(WRITE8(idsa_state, ppi1_a_w)) - MCFG_I8255_OUT_PORTB_CB(WRITE8(idsa_state, ppi1_b_w)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(idsa_state, ppi1_c_w)) MCFG_DEVICE_ADD("ppi2", I8255, 0) - MCFG_I8255_OUT_PORTA_CB(WRITE8(idsa_state, ppi2_a_w)) - MCFG_I8255_OUT_PORTB_CB(WRITE8(idsa_state, ppi2_b_w)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(idsa_state, ppi2_c_w)) MACHINE_CONFIG_END @@ -380,12 +320,11 @@ ROM_END ROM_START(bsktbllp) ROM_REGION(0x8000, "maincpu", 0) ROM_LOAD("bsktball.256", 0x0000, 0x8000, CRC(d474e29b) SHA1(750cbacef34dde0b3dcb6c1e4679db78a73643fd)) - ROM_FILL(0x0cb8, 1, 0x3e) // patch suspicious LD that fetches a bad AY address ROM_REGION(0x10000, "speech", 0) ROM_LOAD( "sp0256a-al2.1b", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc) ) ROM_END -GAME( 1985, v1, 0, idsa, idsa, idsa_state, 0, ROT0, "IDSA", "V.1", MACHINE_IS_SKELETON_MECHANICAL ) -GAME( 1987, bsktbllp, 0, bsktbllp, idsa, idsa_state, 0, ROT0, "IDSA", "Basket Ball", MACHINE_IS_SKELETON_MECHANICAL ) +GAME( 1985, v1, 0, idsa, idsa, idsa_state, 0, ROT0, "IDSA", "V.1", MACHINE_IS_SKELETON_MECHANICAL ) +GAME( 1987, bsktbllp, 0, idsa, idsa, idsa_state, 0, ROT0, "IDSA", "Basket Ball", MACHINE_IS_SKELETON_MECHANICAL ) |