diff options
Diffstat (limited to 'src/mame/drivers/dolphunk.cpp')
-rw-r--r-- | src/mame/drivers/dolphunk.cpp | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/mame/drivers/dolphunk.cpp b/src/mame/drivers/dolphunk.cpp new file mode 100644 index 00000000000..8ee69d20042 --- /dev/null +++ b/src/mame/drivers/dolphunk.cpp @@ -0,0 +1,266 @@ +// license:BSD-3-Clause +// copyright-holders:Robbbert +/*************************************************************************** + + Dolphin / Dauphin + + 2010-04-08 Skeleton driver. + 2012-05-20 Fixed keyboard, added notes & speaker [Robbbert] + 2013-11-03 Added cassette [Robbbert] + + Minimal Setup: + 0000-00FF ROM "MO" (74S471) + 0100-01FF ROM "MONI" (74S471) + 0200-02FF RAM (2x 2112) + 18 pushbuttons for programming (0-F, ADR, NXT). + 4-digit LED display. + + Other options: + 0400-07FF Expansion RAM (8x 2112) + 0800-08FF Pulse for operation of an optional EPROM programmer + 0C00-0FFF ROM "MONA" (2708) + LEDs connected to all Address and Data Lines + LEDs connected to WAIT and FLAG lines. + Speaker with a LED wired across it. + PAUSE switch. + RUN/STOP switch. + STEP switch. + CLOCK switch. + + Cassette player connected to SENSE and FLAG lines. + + Keyboard encoder: AY-5-2376 (57 keys) + + CRT interface: (512 characters on a separate bus) + 2114 video ram (one half holds the lower 4 data bits, other half the upper bits) + 74LS175 holds the upper bits for the 74LS472 + 74LS472 Character Generator + + NOTE: a rom is missing, when the ADR button (- key) is pressed, + it causes a freeze in nodebug mode, and a crash in debug mode. + To see it, start in debug mode. g 6c. In the emulation, press the + minus key. The debugger will stop and you can see an instruction + referencing location 0100, which is in the missing rom. + + Keys: + 0-9,A-F hexadecimal numbers + UP - (NXT) to enter data and advance to the next address + MINUS - (ADR) to change the address to what is shown in the data side + Special keys: + Hold UP, hold 0, release UP, release 0 - execute program at the current address (i.e. 2xx) + Hold UP, hold 1, release UP, release 1 - execute program at address 0C00 (rom MONA) + Hold UP, hold 2, release UP, release 2 - play a tune with the keys + Hold UP, hold 3, release UP, release 3 - decrement the address by 2 + Hold MINUS, hold any hex key, release MINUS, release other key - execute program + at the current address-0x100 (i.e. 1xx). + + If you want to scan through other areas of memory (e.g. the roms), alter the + data at address 2F9 (high byte) and 2FA (low byte). + + How to Use: + The red digits are the address, and the orange digits are the data. + The address range is 200-2FF (the 2 isn't displayed). To select an address, + either press the UP key until you get there, or type the address and press + minus. The orange digits show the current data at that address. To alter + data, just type it in and press UP. + + To play the reflexes game, hold UP, press 1, release UP, release 1. + The display will show A--0 (or some random number in the last position). + Press any odd-numbered key (B is convenient), and read off the reaction time. + After a short delay it will show '--' again, this is the signal to react. + It doesn't seem to reset the counters each time around. + + TODO: + - Find missing roms + - Add optional hardware listed above + - Cassette is added, but no idea how to operate it. + + Thanks to Amigan site for various documents. + + +****************************************************************************/ + +#include "emu.h" +#include "cpu/s2650/s2650.h" +#include "sound/speaker.h" +#include "imagedev/cassette.h" +#include "sound/wave.h" +#include "dolphunk.lh" + + +class dauphin_state : public driver_device +{ +public: + dauphin_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_speaker(*this, "speaker") + , m_cass(*this, "cassette") + { } + + DECLARE_READ8_MEMBER(cass_r); + DECLARE_WRITE_LINE_MEMBER(cass_w); + DECLARE_READ8_MEMBER(port07_r); + DECLARE_WRITE8_MEMBER(port00_w); + DECLARE_WRITE8_MEMBER(port06_w); + TIMER_DEVICE_CALLBACK_MEMBER(dauphin_c); +private: + UINT8 m_cass_data; + UINT8 m_last_key; + bool m_cass_state; + bool m_cassold; + bool m_speaker_state; + required_device<cpu_device> m_maincpu; + required_device<speaker_sound_device> m_speaker; + required_device<cassette_image_device> m_cass; +}; + +READ8_MEMBER( dauphin_state::cass_r ) +{ + return (m_cass->input() > 0.03) ? 1 : 0; +} + +WRITE_LINE_MEMBER( dauphin_state::cass_w ) +{ + m_cass_state = state; // get flag bit +} + +WRITE8_MEMBER( dauphin_state::port00_w ) +{ + output_set_digit_value(offset, data); +} + +WRITE8_MEMBER( dauphin_state::port06_w ) +{ + m_speaker_state ^=1; + m_speaker->level_w(m_speaker_state); +} + +READ8_MEMBER( dauphin_state::port07_r ) +{ + UINT8 keyin, i, data = 0x40; + + keyin = ioport("X0")->read(); + if (keyin != 0xff) + for (i = 0; i < 8; i++) + if BIT(~keyin, i) + data = i | 0xc0; + + keyin = ioport("X1")->read(); + if (keyin != 0xff) + for (i = 0; i < 8; i++) + if BIT(~keyin, i) + data = i | 0xc8; + + if (data == m_last_key) + data &= 0x7f; + else + m_last_key = data; + + data |= ioport("X2")->read(); + + return data; +} + +TIMER_DEVICE_CALLBACK_MEMBER(dauphin_state::dauphin_c) +{ + m_cass_data++; + + if (m_cass_state != m_cassold) + { + m_cass_data = 0; + m_cassold = m_cass_state; + } + + if (m_cass_state) + m_cass->output(BIT(m_cass_data, 1) ? -1.0 : +1.0); // 1000Hz + else + m_cass->output(BIT(m_cass_data, 0) ? -1.0 : +1.0); // 2000Hz +} + +static ADDRESS_MAP_START( dauphin_mem, AS_PROGRAM, 8, dauphin_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x01ff) AM_ROM + AM_RANGE( 0x0200, 0x02ff) AM_RAM + AM_RANGE( 0x0c00, 0x0fff) AM_ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( dauphin_io, AS_IO, 8, dauphin_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x00, 0x03) AM_WRITE(port00_w) // 4-led display + AM_RANGE(0x06, 0x06) AM_WRITE(port06_w) // speaker (NOT a keyclick) + AM_RANGE(0x07, 0x07) AM_READ(port07_r) // pushbuttons + AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ(cass_r) + AM_RANGE(0x102, 0x103) AM_NOP // stops error log filling up while using debug +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( dauphin ) + PORT_START("X0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') + + PORT_START("X1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') + + PORT_START("X2") + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("NXT") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ADR") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') +INPUT_PORTS_END + + +static MACHINE_CONFIG_START( dauphin, dauphin_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",S2650, XTAL_1MHz) + MCFG_CPU_PROGRAM_MAP(dauphin_mem) + MCFG_CPU_IO_MAP(dauphin_io) + MCFG_S2650_FLAG_HANDLER(WRITELINE(dauphin_state, cass_w)) + + /* video hardware */ + MCFG_DEFAULT_LAYOUT(layout_dolphunk) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) + + /* cassette */ + MCFG_CASSETTE_ADD( "cassette" ) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + MCFG_TIMER_DRIVER_ADD_PERIODIC("dauphin_c", dauphin_state, dauphin_c, attotime::from_hz(4000)) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( dauphin ) + ROM_REGION( 0x8000, "maincpu", 0 ) + ROM_LOAD( "dolphin_mo.rom", 0x0000, 0x0100, CRC(a8811f48) SHA1(233c629dc20fac286c8c1559e461bb0b742a675e) ) + // This one is used in winarcadia but it is a bad dump, we use the corrected one above + //ROM_LOAD( "dolphin_mo.rom", 0x0000, 0x0100, BAD_DUMP CRC(1ac4ac18) SHA1(62a63de6fcd6cd5fcee930d31c73fe603647f06c) ) + + ROM_LOAD( "dolphin_moni.rom", 0x0100, 0x0100, NO_DUMP ) + + //ROM_LOAD_OPTIONAL( "dolphin_mona.rom", 0x0c00, 0x0400, NO_DUMP ) + // This rom is a bugfixed and relocated version of the game found on the Amigan site + ROM_LOAD_OPTIONAL( "reflexes.bin", 0x0c00, 0x0400, CRC(14a1557d) SHA1(789d10551f1bb3472057901fa3cee0c6bfe220ac) ) + // This the original + //ROM_LOAD( "reflexes.bin", 0x0c00, 0x0072, CRC(c4bed94b) SHA1(cf525755a1dbce6a4681353be692ddf0346f323b) ) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 1979, dauphin, 0, 0, dauphin, dauphin, driver_device, 0, "LCD EPFL Stoppani", "Dauphin", 0 ) |