// license:MAME // copyright-holders:Robbbert /*************************************************************************** SEL Z80 Trainer (LEHRSYSTEME) 31/08/2010 Skeleton driver. 23/06/2011 Working [Robbbert] No diagram has been found. The following is guesswork. Test sequence: Press -, enter an address, press = to show contents, press up/down-arrow to cycle through addresses. ToDo: - Artwork - Various missing LEDs and switches - Keys are a guess, need to be confirmed. - Needs to be tested by a subject-matter expert. - Unknown I/O: 'maincpu' (00F2): unmapped i/o memory write to 000C = 00 & FF 'maincpu' (00F8): unmapped i/o memory write to 0010 = FF & FF 'maincpu' (0122): unmapped i/o memory write to 0019 = 91 & FF 'maincpu' (0122): unmapped i/o memory write to 0019 = 40 & FF 'maincpu' (0122): unmapped i/o memory write to 0019 = CE & FF 'maincpu' (0122): unmapped i/o memory write to 0019 = 17 & FF ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/i8279.h" #include "selz80.lh" class selz80_state : public driver_device { public: selz80_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_p_ram(*this, "ram") { } DECLARE_WRITE8_MEMBER(scanlines_w); DECLARE_WRITE8_MEMBER(digit_w); DECLARE_READ8_MEMBER(kbd_r); DECLARE_MACHINE_RESET(dagz80); UINT8 m_digit; required_device m_maincpu; optional_shared_ptr m_p_ram; }; static ADDRESS_MAP_START(dagz80_mem, AS_PROGRAM, 8, selz80_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x1fff) AM_RAM AM_SHARE("ram") AM_RANGE(0xe000, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(selz80_mem, AS_PROGRAM, 8, selz80_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1000, 0x1fff) AM_RAM AM_RANGE(0xa000, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START(selz80_io, AS_IO, 8, selz80_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("i8279", i8279_device, data_r, data_w ) AM_RANGE(0x01, 0x01) AM_DEVREADWRITE("i8279", i8279_device, status_r, cmd_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( selz80 ) /* 2 x 16-key pads RS SS RN MM C(IS) D(FL) E(FL') F EX BP TW TR 8(IX) 9(IY) A(PC) B(SP) RL IN - + 4(AF') 5(BC') 6(DE') 7(HL') RG EN SA SD 0(AF) 1(BC) 2(DE) 3(HL) */ PORT_START("X0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E FL'") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D FL") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C IS") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MM") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RN") PORT_CODE(KEYCODE_W) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SS") PORT_CODE(KEYCODE_R) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RS") PORT_CODE(KEYCODE_T) PORT_START("X1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B SP") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A PC") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 IY") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 IX") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TR (tape read)") PORT_CODE(KEYCODE_Y) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TW (tape write)") PORT_CODE(KEYCODE_U) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BP") PORT_CODE(KEYCODE_I) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EX") PORT_CODE(KEYCODE_O) PORT_START("X2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 HL'") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 DE'") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 BC'") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 AF'") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("IN") PORT_CODE(KEYCODE_S) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RL") PORT_CODE(KEYCODE_G) PORT_START("X3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 HL") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 DE") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 BC") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 AF") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SD") PORT_CODE(KEYCODE_H) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SA") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EN") PORT_CODE(KEYCODE_K) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RG") PORT_CODE(KEYCODE_L) INPUT_PORTS_END MACHINE_RESET_MEMBER(selz80_state, dagz80) { UINT8* rom = memregion("user1")->base(); UINT16 size = memregion("user1")->bytes(); memcpy(m_p_ram, rom, size); m_maincpu->reset(); } WRITE8_MEMBER( selz80_state::scanlines_w ) { m_digit = data; } WRITE8_MEMBER( selz80_state::digit_w ) { output_set_digit_value(m_digit, BITSWAP8(data, 3, 2, 1, 0, 7, 6, 5, 4)); } READ8_MEMBER( selz80_state::kbd_r ) { UINT8 data = 0xff; if (m_digit < 4) { char kbdrow[6]; sprintf(kbdrow,"X%X",m_digit); data = ioport(kbdrow)->read(); } return data; } static MACHINE_CONFIG_START( selz80, selz80_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(selz80_mem) MCFG_CPU_IO_MAP(selz80_io) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_selz80) /* Devices */ MCFG_DEVICE_ADD("i8279", I8279, 2500000) // based on divider MCFG_I8279_OUT_SL_CB(WRITE8(selz80_state, scanlines_w)) // scan SL lines MCFG_I8279_OUT_DISP_CB(WRITE8(selz80_state, digit_w)) // display A&B MCFG_I8279_IN_RL_CB(READ8(selz80_state, kbd_r)) // kbd RL lines MCFG_I8279_IN_SHIFT_CB(VCC) // Shift key MCFG_I8279_IN_CTRL_CB(VCC) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( dagz80, selz80 ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(dagz80_mem) MCFG_MACHINE_RESET_OVERRIDE(selz80_state, dagz80 ) MACHINE_CONFIG_END /* ROM definition */ ROM_START( selz80 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "v3.3", "V3.3") ROMX_LOAD( "z80-trainer.rom", 0x0000, 0x1000, CRC(eed1755f) SHA1(72e6ebfccb0e50034660bc36db1a741932311ce1), ROM_BIOS(1)) // (c)TEL86/V3.3 ROM_SYSTEM_BIOS(1, "v3.2", "V3.2") ROMX_LOAD( "moniz80_3.2_04.12.1985.bin", 0x0000, 0x1000, CRC(3a3cf574) SHA1(ba6cd2276ce66f3a4545baf4d396f6c06d51dc38), ROM_BIOS(2)) // (c)SEL85/V3.2 ROM_LOAD( "term80-a000.bin", 0xa000, 0x2000, CRC(0a58c0a7) SHA1(d1b4b3b2ad0d084175b1ff6966653d8b20025252)) ROM_LOAD( "term80-e000.bin", 0xe000, 0x2000, CRC(158e08e6) SHA1(f1add43bcf8744a01238fb893ee284872d434db5)) ROM_END ROM_START( dagz80 ) ROM_REGION( 0x2000, "user1", ROMREGION_ERASEFF ) ROM_LOAD( "moni_1.5_15.08.1988.bin", 0x0000, 0x2000, CRC(318AEE6E) SHA1(c698fdee401b88e673791aabcba6a9628938a075) ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS, INIT COMPANY FULLNAME FLAGS */ COMP( 1985, selz80, 0, 0, selz80, selz80, driver_device, 0, "SEL", "SEL Z80 Trainer", GAME_NO_SOUND_HW) COMP( 1988, dagz80, selz80, 0, dagz80, selz80, driver_device, 0, "DAG", "DAG Z80 Trainer", GAME_NO_SOUND_HW)