// 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 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 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)", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_SUPPORTS_SAVE | GAME_CLICKABLE_ARTWORK)