diff options
Diffstat (limited to 'src/mame/drivers/csc.c')
-rw-r--r-- | src/mame/drivers/csc.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/src/mame/drivers/csc.c b/src/mame/drivers/csc.c new file mode 100644 index 00000000000..dcf62474038 --- /dev/null +++ b/src/mame/drivers/csc.c @@ -0,0 +1,346 @@ +// license:BSD-3-Clause +// copyright-holders:Kevin Horton,Jonathan Gevaryahu,Sandro Ronco +/****************************************************************************** + + Fidelity Champion Chess Challenger (model CSC) + + See fidelz80.c for hardware description + + TODO: + - speech doesn't work + - make a better artwork + +******************************************************************************/ + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "machine/6821pia.h" +#include "sound/s14001a.h" + +#include "debugger.h" + +// same layout of Sensory Chess Challenger +extern const char layout_vsc[]; + +class csc_state : public driver_device +{ +public: + csc_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_speech(*this, "speech") + , + m_maincpu(*this, "maincpu") { } + + required_device<s14001a_device> m_speech; + + virtual void machine_start(); + + UINT16 input_read(int index); + DECLARE_WRITE8_MEMBER( pia0_pa_w ); + DECLARE_WRITE8_MEMBER( pia0_pb_w ); + DECLARE_READ8_MEMBER( pia0_pb_r ); + DECLARE_WRITE_LINE_MEMBER( pia0_ca2_w ); + DECLARE_WRITE8_MEMBER( pia1_pa_w ); + DECLARE_WRITE8_MEMBER( pia1_pb_w ); + DECLARE_READ8_MEMBER( pia1_pa_r ); + DECLARE_WRITE_LINE_MEMBER( pia1_ca2_w ); + DECLARE_WRITE_LINE_MEMBER( pia1_cb2_w ); + DECLARE_READ_LINE_MEMBER( pia1_ca1_r ); + DECLARE_READ_LINE_MEMBER( pia1_cb1_r ); + + UINT8 m_selector; + TIMER_DEVICE_CALLBACK_MEMBER(irq_timer); + required_device<cpu_device> m_maincpu; +}; + + +UINT16 csc_state::input_read(int index) +{ + static const char *const col_tag[] = + { + "COL_A", "COL_B", "COL_C", "COL_D", "COL_E", + "COL_F", "COL_G", "COL_H", "COL_I" + }; + + return ioport(col_tag[index])->read(); +} + + +WRITE8_MEMBER( csc_state::pia0_pa_w ) +{ + UINT8 out_digit = BITSWAP8(data,0,1,5,6,7,2,3,4 ); + + switch (m_selector) + { + case 0: + output_set_digit_value(0, out_digit & 0x7f); + output_set_value("pm_led", BIT(out_digit, 7)); + break; + case 1: + output_set_digit_value(1, out_digit & 0x7f); + break; + case 2: + output_set_digit_value(2, out_digit & 0x7f); + output_set_value("up_dot", BIT(out_digit, 7)); + break; + case 3: + output_set_digit_value(3, out_digit & 0x7f); + output_set_value("low_dot", BIT(out_digit, 7)); + break; + } + +// m_speech->reg_w(data & 0x3f); + + // for avoid the digit flashing + m_selector |= 0x80; +} + +WRITE8_MEMBER( csc_state::pia0_pb_w ) +{ +// m_speech->set_volume(15); // hack, s14001a core should assume a volume of 15 unless otherwise stated... +// m_speech->rst_w(BIT(data, 1)); +} + +READ8_MEMBER( csc_state::pia0_pb_r ) +{ + UINT8 data = 0x04; + + if(m_speech->bsy_r()) + data |= 0x08; + + if (m_selector<9) + if (input_read(m_selector) & 0x100) + data |= 0x20; + + return data; +} + +WRITE_LINE_MEMBER( csc_state::pia0_ca2_w ) +{ +} + +WRITE8_MEMBER( csc_state::pia1_pa_w ) +{ + m_selector = (m_selector & 0x0c) | ((data>>6) & 0x03); +} + +WRITE8_MEMBER( csc_state::pia1_pb_w ) +{ + static const char *const row_tag[] = + { + "led_a", "led_b", "led_c", "led_d", + "led_e", "led_f", "led_g", "led_h" + }; + + if (m_selector < 8) + for (int i=0; i<8; i++) + output_set_indexed_value(row_tag[m_selector], i+1, BIT(data, 7-i)); +} + +READ8_MEMBER( csc_state::pia1_pa_r ) +{ + UINT8 data = 0xff; + + if (m_selector<9) + data = input_read(m_selector); + + return data & 0x3f; +} + +WRITE_LINE_MEMBER( csc_state::pia1_ca2_w ) +{ + m_selector = (m_selector & 0x07) | (state ? 8 : 0); +} + +WRITE_LINE_MEMBER( csc_state::pia1_cb2_w ) +{ + m_selector = (m_selector & 0x0b) | (state ? 4 : 0); +} + +READ_LINE_MEMBER( csc_state::pia1_ca1_r ) +{ + int data = 0x01; + + if (m_selector<9) + data = BIT(input_read(m_selector), 6); + + return data; +} + +READ_LINE_MEMBER( csc_state::pia1_cb1_r ) +{ + int data = 0x01; + + if (m_selector<9) + data = BIT(input_read(m_selector),7); + + return data; +} + + +TIMER_DEVICE_CALLBACK_MEMBER(csc_state::irq_timer) +{ + m_maincpu->set_input_line(M6502_IRQ_LINE, HOLD_LINE); +} + +/* Address maps */ +static ADDRESS_MAP_START(csc_mem, AS_PROGRAM, 8, csc_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x07ff) AM_RAM AM_MIRROR(0x4000) //2K RAM + AM_RANGE( 0x0800, 0x0bff) AM_RAM AM_MIRROR(0x4400) //1K RAM + AM_RANGE( 0x1000, 0x1003) AM_DEVREADWRITE("pia0", pia6821_device, read, write) AM_MIRROR(0x47fc) + AM_RANGE( 0x1800, 0x1803) AM_DEVREADWRITE("pia1", pia6821_device, read, write) AM_MIRROR(0x47fc) + AM_RANGE( 0x2000, 0x3fff) AM_ROM AM_MIRROR(0x4000) + AM_RANGE( 0x8000, 0x9fff) AM_NOP + AM_RANGE( 0xa000, 0xffff) AM_ROM +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( csc ) + PORT_START("COL_A") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Speak") PORT_CODE(KEYCODE_SPACE) + PORT_START("COL_B") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("RV") PORT_CODE(KEYCODE_V) + PORT_START("COL_C") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("TM") PORT_CODE(KEYCODE_T) + PORT_START("COL_D") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("LV") PORT_CODE(KEYCODE_L) + PORT_START("COL_E") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("DM") PORT_CODE(KEYCODE_M) + PORT_START("COL_F") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("ST") PORT_CODE(KEYCODE_S) + PORT_START("COL_G") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_UNUSED) PORT_UNUSED + PORT_START("COL_H") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_UNUSED) PORT_UNUSED + PORT_START("COL_I") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Pawn") PORT_CODE(KEYCODE_1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Rook") PORT_CODE(KEYCODE_2) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Knight") PORT_CODE(KEYCODE_3) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Bishop") PORT_CODE(KEYCODE_4) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Queen") PORT_CODE(KEYCODE_5) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("King") PORT_CODE(KEYCODE_6) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("RE") PORT_CODE(KEYCODE_R) + PORT_BIT(0x100,IP_ACTIVE_LOW, IPT_UNUSED) PORT_UNUSED +INPUT_PORTS_END + + +void csc_state::machine_start() +{ + save_item(NAME(m_selector)); +} + +/* Machine driver */ +static MACHINE_CONFIG_START( csc, csc_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M6502, 3900000/2) + MCFG_CPU_PROGRAM_MAP(csc_mem) + + MCFG_DEFAULT_LAYOUT(layout_vsc) + + MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_timer", csc_state, irq_timer, attotime::from_hz(38400/64)) + + MCFG_DEVICE_ADD("pia0", PIA6821, 0) + MCFG_PIA_READPB_HANDLER(READ8(csc_state, pia0_pb_r)) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(csc_state, pia0_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(csc_state, pia0_pb_w)) + MCFG_PIA_CA2_HANDLER(WRITELINE(csc_state, pia0_ca2_w)) + + MCFG_DEVICE_ADD("pia1", PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(csc_state, pia1_pa_r)) + MCFG_PIA_READCA1_HANDLER(READLINE(csc_state, pia1_ca1_r)) + MCFG_PIA_READCB1_HANDLER(READLINE(csc_state, pia1_cb1_r)) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(csc_state, pia1_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(csc_state, pia1_pb_w)) + MCFG_PIA_CA2_HANDLER(WRITELINE(csc_state, pia1_ca2_w)) + MCFG_PIA_CB2_HANDLER(WRITELINE(csc_state, pia1_cb2_w)) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speech", S14001A, 25000) // around 25khz + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START(csc) + ROM_REGION(0x10000, "maincpu", 0) + ROM_LOAD("101-64109.bin", 0x2000, 0x2000, CRC(08a3577c) SHA1(69fe379d21a9d4b57c84c3832d7b3e7431eec341)) + ROM_LOAD("1025a03.bin", 0xa000, 0x2000, CRC(63982c07) SHA1(5ed4356323d5c80df216da55994abe94ba4aa94c)) + ROM_LOAD("1025a02.bin", 0xc000, 0x2000, CRC(9e6e7c69) SHA1(4f1ed9141b6596f4d2b1217d7a4ba48229f3f1b0)) + ROM_LOAD("1025a01.bin", 0xe000, 0x2000, CRC(57f068c3) SHA1(7d2ac4b9a2fba19556782863bdd89e2d2d94e97b)) + + ROM_LOAD("74s474.bin", 0xfe00, 0x0200, CRC(4511ba31) SHA1(e275b1739f8c3aa445cccb6a2b597475f507e456)) + + ROM_REGION(0x2000, "speech", 0) + ROM_LOAD("101-32107.bin", 0x0000, 0x1000, CRC(f35784f9) SHA1(348e54a7fa1e8091f89ac656b4da22f28ca2e44d)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 198?, csc, 0, 0, csc, csc, driver_device, 0, "Fidelity Electronics", "Champion Chess Challenger (model CSC)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK) |