// license:MAME // copyright-holders:Robbbert /*************************************************************************** Intel iSBC series 09/12/2009 Skeleton driver. Notes: isbc86 commands: BYTE WORD REAL EREAL ROMTEST. ROMTEST works, the others hang. ****************************************************************************/ #include "emu.h" #include "cpu/i86/i86.h" #include "cpu/i86/i286.h" #include "machine/terminal.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "machine/i8255.h" #include "machine/i8251.h" #include "machine/z80dart.h" #include "machine/serial.h" #include "bus/centronics/ctronics.h" #include "bus/isbx/isbx.h" #include "machine/isbc_215g.h" class isbc_state : public driver_device { public: isbc_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_terminal(*this, "terminal"), m_uart8251(*this, "uart8251"), m_uart8274(*this, "uart8274"), m_pic_0(*this, "pic_0"), m_pic_1(*this, "pic_1"), m_centronics(*this, "centronics") { } required_device m_maincpu; required_device m_terminal; optional_device m_uart8251; optional_device m_uart8274; required_device m_pic_0; optional_device m_pic_1; optional_device m_centronics; DECLARE_WRITE_LINE_MEMBER(lpt_ack); DECLARE_WRITE_LINE_MEMBER(isbc86_tmr2_w); DECLARE_WRITE_LINE_MEMBER(isbc286_tmr2_w); DECLARE_WRITE_LINE_MEMBER(isbc_uart8274_irq); DECLARE_READ8_MEMBER(get_slave_ack); DECLARE_READ8_MEMBER(ppi_b_r); DECLARE_WRITE8_MEMBER(ppi_c_w); IRQ_CALLBACK_MEMBER( irq_callback ) { return m_pic_0->inta_r(); } void driver_start() { m_maincpu->set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(isbc_state::irq_callback),this)); } }; static ADDRESS_MAP_START(rpc86_mem, AS_PROGRAM, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00000, 0x0ffff) AM_RAM AM_RANGE(0xfc000, 0xfffff) AM_ROM AM_REGION("user1",0) ADDRESS_MAP_END static ADDRESS_MAP_START(rpc86_io, AS_IO, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_END static ADDRESS_MAP_START(isbc86_mem, AS_PROGRAM, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00000, 0xfbfff) AM_RAM AM_RANGE(0xfc000, 0xfffff) AM_ROM AM_REGION("user1",0) ADDRESS_MAP_END static ADDRESS_MAP_START(isbc_io, AS_IO, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00c0, 0x00c3) AM_DEVREADWRITE8("pic_0", pic8259_device, read, write, 0x00ff) AM_RANGE(0x00c4, 0x00c7) AM_DEVREADWRITE8("pic_0", pic8259_device, read, write, 0x00ff) AM_RANGE(0x00c8, 0x00cf) AM_DEVREADWRITE8("ppi", i8255_device, read, write, 0x00ff) AM_RANGE(0x00d0, 0x00d7) AM_DEVREADWRITE8("pit", pit8253_device, read, write, 0x00ff) AM_RANGE(0x00d8, 0x00d9) AM_DEVREADWRITE8("uart8251", i8251_device, data_r, data_w, 0x00ff) AM_RANGE(0x00da, 0x00db) AM_DEVREADWRITE8("uart8251", i8251_device, status_r, control_w, 0x00ff) AM_RANGE(0x00dc, 0x00dd) AM_DEVREADWRITE8("uart8251", i8251_device, data_r, data_w, 0x00ff) AM_RANGE(0x00de, 0x00df) AM_DEVREADWRITE8("uart8251", i8251_device, status_r, control_w, 0x00ff) ADDRESS_MAP_END static ADDRESS_MAP_START(isbc286_io, AS_IO, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0080, 0x008f) AM_DEVREADWRITE8("sbx1", isbx_slot_device, mcs0_r, mcs0_w, 0x00ff) AM_RANGE(0x0080, 0x008f) AM_DEVREADWRITE8("sbx1", isbx_slot_device, mcs0_r, mcs0_w, 0xff00) AM_RANGE(0x0090, 0x009f) AM_DEVREADWRITE8("sbx1", isbx_slot_device, mcs1_r, mcs1_w, 0x00ff) AM_RANGE(0x0090, 0x009f) AM_DEVREADWRITE8("sbx1", isbx_slot_device, mcs1_r, mcs1_w, 0xff00) AM_RANGE(0x00a0, 0x00af) AM_DEVREADWRITE8("sbx2", isbx_slot_device, mcs0_r, mcs0_w, 0x00ff) AM_RANGE(0x00a0, 0x00af) AM_DEVREADWRITE8("sbx2", isbx_slot_device, mcs0_r, mcs0_w, 0xff00) AM_RANGE(0x00b0, 0x00bf) AM_DEVREADWRITE8("sbx2", isbx_slot_device, mcs1_r, mcs1_w, 0x00ff) AM_RANGE(0x00b0, 0x00bf) AM_DEVREADWRITE8("sbx2", isbx_slot_device, mcs1_r, mcs1_w, 0xff00) AM_RANGE(0x00c0, 0x00c3) AM_DEVREADWRITE8("pic_0", pic8259_device, read, write, 0x00ff) AM_RANGE(0x00c4, 0x00c7) AM_DEVREADWRITE8("pic_1", pic8259_device, read, write, 0x00ff) AM_RANGE(0x00c8, 0x00cf) AM_DEVREADWRITE8("ppi", i8255_device, read, write, 0x00ff) AM_RANGE(0x00d0, 0x00d7) AM_DEVREADWRITE8("pit", pit8254_device, read, write, 0x00ff) AM_RANGE(0x00d8, 0x00df) AM_DEVREADWRITE8("uart8274", i8274_device, cd_ba_r, cd_ba_w, 0x00ff) AM_RANGE(0x0100, 0x0101) AM_DEVWRITE8("isbc_215g", isbc_215g_device, write, 0x00ff) ADDRESS_MAP_END static ADDRESS_MAP_START(isbc286_mem, AS_PROGRAM, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00000, 0xdffff) AM_RAM AM_RANGE(0xe0000, 0xfffff) AM_ROM AM_REGION("user1",0) AM_RANGE(0xfe0000, 0xffffff) AM_ROM AM_REGION("user1",0) ADDRESS_MAP_END static ADDRESS_MAP_START(isbc2861_mem, AS_PROGRAM, 16, isbc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00000, 0xdffff) AM_RAM AM_RANGE(0xf0000, 0xfffff) AM_ROM AM_REGION("user1",0) AM_RANGE(0xff0000, 0xffffff) AM_ROM AM_REGION("user1",0) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( isbc ) INPUT_PORTS_END static DEVICE_INPUT_DEFAULTS_START( isbc86_terminal ) DEVICE_INPUT_DEFAULTS( "TERM_BAUD", 0xff, 0x01 ) // 300 DEVICE_INPUT_DEFAULTS( "TERM_DATABITS", 0xff, 0x03 ) // 8 DEVICE_INPUT_DEFAULTS( "TERM_PARITY", 0xff, 0x00 ) // N DEVICE_INPUT_DEFAULTS( "TERM_STOPBITS", 0xff, 0x02 ) // 2 DEVICE_INPUT_DEFAULTS_END static DEVICE_INPUT_DEFAULTS_START( isbc286_terminal ) DEVICE_INPUT_DEFAULTS( "TERM_BAUD", 0xff, 0x06 ) // 9600 DEVICE_INPUT_DEFAULTS( "TERM_DATABITS", 0xff, 0x02 ) // 7 DEVICE_INPUT_DEFAULTS( "TERM_PARITY", 0xff, 0x02 ) // E DEVICE_INPUT_DEFAULTS( "TERM_STOPBITS", 0xff, 0x00 ) // 1 DEVICE_INPUT_DEFAULTS_END static const serial_terminal_interface terminal_intf = { DEVCB_DEVICE_LINE_MEMBER("uart8251", i8251_device, write_rx) }; static const serial_terminal_interface rpc86_terminal_intf = { DEVCB_NULL // No UART hooked up yet }; static const serial_terminal_interface isbc_terminal_intf = { DEVCB_DEVICE_LINE_MEMBER("uart8274", z80dart_device, rxb_w) }; static const struct pit8253_interface isbc86_pit_config = { { { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_DEVICE_LINE_MEMBER("pic_0", pic8259_device, ir0_w) }, { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_NULL }, { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_DRIVER_LINE_MEMBER(isbc_state, isbc86_tmr2_w) } } }; WRITE_LINE_MEMBER( isbc_state::isbc86_tmr2_w ) { m_uart8251->rxc_w(state); m_uart8251->txc_w(state); } static const struct pit8253_interface isbc286_pit_config = { { { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_DEVICE_LINE_MEMBER("pic_0", pic8259_device, ir0_w) }, { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_DEVICE_LINE_MEMBER("uart8274", z80dart_device, rxtxcb_w) }, { XTAL_22_1184MHz/18, DEVCB_NULL, DEVCB_DRIVER_LINE_MEMBER(isbc_state, isbc286_tmr2_w) } } }; WRITE_LINE_MEMBER( isbc_state::isbc286_tmr2_w ) { m_uart8274->rxca_w(state); m_uart8274->txca_w(state); } static const i8255_interface isbc86_ppi_interface = { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; static const i8255_interface isbc286_ppi_interface = { DEVCB_NULL, DEVCB_DEVICE_MEMBER("centronics", centronics_device, write), DEVCB_DRIVER_MEMBER(isbc_state, ppi_b_r), DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(isbc_state, ppi_c_w), }; READ8_MEMBER( isbc_state::ppi_b_r ) { UINT8 data = 0; data |= m_centronics->ack_r() ? 0x10 : 0; data |= m_centronics->fault_r() ? 0x40 : 0; data |= m_centronics->busy_r() ? 0x80 : 0; return data; } WRITE8_MEMBER( isbc_state::ppi_c_w ) { m_centronics->strobe_w(data & 1); if(data & 0x80) m_pic_1->ir7_w(0); } static I8274_INTERFACE(isbc_uart8274_interface) { 0, 0, 0, 0, DEVCB_DEVICE_LINE_MEMBER("rs232", serial_port_device, tx), DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, dtr_w), DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, rts_w), DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_LINE_MEMBER("terminal", serial_terminal_device, rx_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_LINE_MEMBER(isbc_state, isbc_uart8274_irq), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; WRITE_LINE_MEMBER(isbc_state::isbc_uart8274_irq) { m_uart8274->m1_r(); // always set m_pic_0->ir6_w(state); } static const i8251_interface isbc_uart8251_interface = { DEVCB_DEVICE_LINE_MEMBER("terminal", serial_terminal_device, rx_w), DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_LINE_MEMBER("pic_0", pic8259_device, ir6_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; READ8_MEMBER( isbc_state::get_slave_ack ) { if (offset == 7) return m_pic_1->inta_r(); return 0x00; } static const centronics_interface isbc_centronics = { DEVCB_DRIVER_LINE_MEMBER(isbc_state, lpt_ack), DEVCB_NULL, DEVCB_NULL }; WRITE_LINE_MEMBER( isbc_state::lpt_ack ) { if(state) m_pic_1->ir7_w(1); } static MACHINE_CONFIG_START( isbc86, isbc_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I8086, XTAL_5MHz) MCFG_CPU_PROGRAM_MAP(isbc86_mem) MCFG_CPU_IO_MAP(isbc_io) MCFG_PIC8259_ADD("pic_0", INPUTLINE(":maincpu", 0), VCC, NULL) MCFG_PIT8253_ADD("pit", isbc86_pit_config) MCFG_I8255A_ADD("ppi", isbc86_ppi_interface) MCFG_I8251_ADD("uart8251", isbc_uart8251_interface) /* video hardware */ MCFG_SERIAL_TERMINAL_ADD("terminal", terminal_intf, 300) MCFG_DEVICE_INPUT_DEFAULTS(isbc86_terminal) MACHINE_CONFIG_END static MACHINE_CONFIG_START( rpc86, isbc_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I8086, XTAL_5MHz) MCFG_CPU_PROGRAM_MAP(rpc86_mem) MCFG_CPU_IO_MAP(rpc86_io) MCFG_PIC8259_ADD("pic_0", INPUTLINE(":maincpu", 0), VCC, NULL) /* video hardware */ MCFG_SERIAL_TERMINAL_ADD("terminal", rpc86_terminal_intf, 300) MACHINE_CONFIG_END static MACHINE_CONFIG_START( isbc286, isbc_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I80286, XTAL_16MHz/2) MCFG_CPU_PROGRAM_MAP(isbc286_mem) MCFG_CPU_IO_MAP(isbc286_io) MCFG_PIC8259_ADD("pic_0", INPUTLINE(":maincpu", 0), VCC, READ8(isbc_state, get_slave_ack)) MCFG_PIC8259_ADD("pic_1", DEVWRITELINE("pic_0", pic8259_device, ir7_w), GND, NULL) MCFG_PIT8254_ADD("pit", isbc286_pit_config) MCFG_I8255A_ADD("ppi", isbc286_ppi_interface) MCFG_CENTRONICS_PRINTER_ADD("centronics", isbc_centronics) MCFG_I8274_ADD("uart8274", XTAL_16MHz/4, isbc_uart8274_interface) MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, NULL) MCFG_SERIAL_OUT_RX_HANDLER(DEVWRITELINE("uart8274", z80dart_device, rxa_w)) MCFG_RS232_OUT_DCD_HANDLER(DEVWRITELINE("uart8274", z80dart_device, dcda_w)) MCFG_RS232_OUT_CTS_HANDLER(DEVWRITELINE("uart8274", z80dart_device, ctsa_w)) MCFG_ISBX_SLOT_ADD("sbx1", 0, isbx_cards, "fdc_218a") MCFG_ISBX_SLOT_MINTR0_CALLBACK(DEVWRITELINE("pic_1", pic8259_device, ir3_w)) MCFG_ISBX_SLOT_MINTR1_CALLBACK(DEVWRITELINE("pic_1", pic8259_device, ir4_w)) MCFG_ISBX_SLOT_ADD("sbx2", 0, isbx_cards, NULL) MCFG_ISBX_SLOT_MINTR0_CALLBACK(DEVWRITELINE("pic_1", pic8259_device, ir5_w)) MCFG_ISBX_SLOT_MINTR1_CALLBACK(DEVWRITELINE("pic_1", pic8259_device, ir6_w)) MCFG_ISBC_215_ADD("isbc_215g", 0x100, "maincpu") MCFG_ISBC_215_IRQ(DEVWRITELINE("pic_0", pic8259_device, ir5_w)) /* video hardware */ MCFG_SERIAL_TERMINAL_ADD("terminal", isbc_terminal_intf, 9600) MCFG_DEVICE_INPUT_DEFAULTS(isbc286_terminal) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( isbc2861, isbc286 ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(isbc2861_mem) MACHINE_CONFIG_END /* ROM definition */ ROM_START( isbc86 ) ROM_REGION( 0x4000, "user1", ROMREGION_ERASEFF ) ROM_LOAD16_BYTE( "8612_2u.bin", 0x0001, 0x1000, CRC(84fa14cf) SHA1(783e1459ab121201fd49368d4bf769c1bab6447a)) ROM_LOAD16_BYTE( "8612_2l.bin", 0x0000, 0x1000, CRC(922bda5f) SHA1(15743e69f3aba56425fa004d19b82ec20532fd72)) ROM_LOAD16_BYTE( "8612_3u.bin", 0x2001, 0x1000, CRC(68d47c3e) SHA1(16c17f26b33daffa84d065ff7aefb581544176bd)) ROM_LOAD16_BYTE( "8612_3l.bin", 0x2000, 0x1000, CRC(17f27ad2) SHA1(c3f379ac7d67dc4a0a7a611a0bc6323b8a3d4840)) ROM_END ROM_START( isbc286 ) ROM_REGION( 0x20000, "user1", ROMREGION_ERASEFF ) ROM_LOAD16_BYTE( "u79.bin", 0x00001, 0x10000, CRC(144182ea) SHA1(4620ca205a6ac98fe2636183eaead7c4bfaf7a72)) ROM_LOAD16_BYTE( "u36.bin", 0x00000, 0x10000, CRC(22db075f) SHA1(fd29ea77f5fc0697c8f8b66aca549aad5b9db3ea)) // ROM_REGION( 0x4000, "isbc215", ROMREGION_ERASEFF ) // ROM_LOAD16_BYTE( "174581.001.bin", 0x0000, 0x2000, CRC(ccdbc7ab) SHA1(5c2ebdde1b0252124177221ba9cacdb6d925a24d)) // ROM_LOAD16_BYTE( "174581.002.bin", 0x0001, 0x2000, CRC(6190fa67) SHA1(295dd4e75f699aaf93227cc4876cee8accae383a)) ROM_END ROM_START( isbc2861 ) ROM_REGION( 0x10000, "user1", ROMREGION_ERASEFF ) ROM_LOAD16_BYTE( "174894-001.bin", 0x0000, 0x4000, CRC(79e4f7af) SHA1(911a4595d35e6e82b1149e75bb027927cd1c1658)) ROM_LOAD16_BYTE( "174894-002.bin", 0x0001, 0x4000, CRC(66747d21) SHA1(4094b1f10a8bc7db8d6dd48d7128e14e875776c7)) ROM_LOAD16_BYTE( "174894-003.bin", 0x8000, 0x4000, CRC(c98c7f17) SHA1(6e9a14aedd630824dccc5eb6052867e73b1d7db6)) ROM_LOAD16_BYTE( "174894-004.bin", 0x8001, 0x4000, CRC(61bc1dc9) SHA1(feed5a5f0bb4630c8f6fa0d5cca30654a80b4ee5)) ROM_END ROM_START( rpc86 ) ROM_REGION( 0x4000, "user1", ROMREGION_ERASEFF ) ROM_LOAD16_BYTE( "145068-001.bin", 0x0001, 0x1000, CRC(0fa9db83) SHA1(4a44f8683c263c9ef6850cbe05aaa73f4d4d4e06)) ROM_LOAD16_BYTE( "145069-001.bin", 0x2001, 0x1000, CRC(1692a076) SHA1(0ce3a4a867cb92340871bb8f9c3e91ce2984c77c)) ROM_LOAD16_BYTE( "145070-001.bin", 0x0000, 0x1000, CRC(8c8303ef) SHA1(60f94daa76ab9dea6e309ac580152eb212b847a0)) ROM_LOAD16_BYTE( "145071-001.bin", 0x2000, 0x1000, CRC(a49681d8) SHA1(e81f8b092cfa2d1737854b1fa270a4ce07d61a9f)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 19??, rpc86, 0, 0, rpc86, isbc, driver_device, 0, "Intel", "RPC 86",GAME_NOT_WORKING | GAME_NO_SOUND) COMP( 1978, isbc86, 0, 0, isbc86, isbc, driver_device, 0, "Intel", "iSBC 86/12A",GAME_NOT_WORKING | GAME_NO_SOUND) COMP( 19??, isbc286, 0, 0, isbc286, isbc, driver_device, 0, "Intel", "iSBC 286",GAME_NOT_WORKING | GAME_NO_SOUND) COMP( 1983, isbc2861, 0, 0, isbc2861, isbc, driver_device, 0, "Intel", "iSBC 286/10",GAME_NOT_WORKING | GAME_NO_SOUND)