// license:BSD-3-Clause // copyright-holders:Krzysztof Strzecha /******************************************************************************* Primo driver by Krzysztof Strzecha What's new: ----------- 2009.07.19 - Removed hacked and duplicated ROMs (Krzysztof Strzecha) 2008.08.31 - Added new ROMs including B32 and B48 [Miodrag Milanovic] 2005.05.19 - Primo B-32 and B-48 testdrivers added. 2005.05.15 - EPROM+RAM expansion. Support for .pp files improved. Some cleanups. 2005.05.12 - Memory fixed for A-48 model what make it fully working. Fixed address of second video memory area. To do: 1. Disk 2. V.24 / tape control 3. CDOS autoboot 4. Joystick 5. Printer 6. .PRI format Primo variants: A-32 - 16kB RAM + 16KB ROM A-48 - 32kB RAM + 16KB ROM A-64 - 48kB RAM + 16KB ROM B-32 - 16kB RAM + 16KB ROM B-48 - 32kB RAM + 16KB ROM B-64 - 48kB RAM + 16KB ROM CPU: U880D (DDR clone of Z80), 2.5 MHz Memory map: A-32, B-32 0000-3fff ROM 4000-7fff RAM 8000-bfff not mapped c000-ffff not mapped A-48, B-48 0000-3fff ROM 4000-7fff RAM 8000-bfff RAM c000-ffff not mapped A-64, B-64 0000-3fff ROM 4000-7fff RAM 8000-bfff RAM c000-ffff RAM I/O Ports: Write: 00h-3fh bit 7 - NMI 0 - disable 1 - enable bit 6 - joystick register shift bit 5 - V.24 (2) / tape control bit 4 - speaker bit 3 - display page 0 - secondary 1 - primary bit 2 - V.24 (1) / tape control bit 1 - cassette output bit 0 / 00 - -110mV 01 - 0V 10 - 0V 11 - 110mV 40h-ffh (B models only) bit 7 - not used bit 6 - not used bit 5 - SCLK bit 4 - SDATA bit 3 - not used bit 2 - SRQ bit 1 - ATN bit 0 - not used Read: 00h-3fh bit 7 - not used bit 6 - not used bit 5 - VBLANK bit 4 - I4 bit 3 - I3 bit 2 - cassette input bit 1 - reset bit 0 - keyboard input 40h-ffh (B models only) bit 7 - not used bit 6 - not used bit 5 - SCLK bit 4 - SDATA bit 3 - SRQ bit 2 - joystick 2 bit 1 - ATN bit 0 - joystick 1 Interrupts: NMI - 20ms (50HZ), can be disbled/enabled by I/O write ToDO: - primoc64 works, but it seems it should be used with a commodore 64 disk drive. This isn't emulated. *******************************************************************************/ #include "emu.h" #include "includes/primo.h" #include "cpu/z80/z80.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #include "formats/primoptp.h" void primo_state::primoa_io(address_map &map) { map.global_mask(0xff); map(0x00, 0x3f).rw(FUNC(primo_state::be_1_r), FUNC(primo_state::ki_1_w)); map(0xfd, 0xfd).w(FUNC(primo_state::FD_w)); } void primo_state::primob_io(address_map &map) { map.global_mask(0xff); map(0x00, 0x3f).rw(FUNC(primo_state::be_1_r), FUNC(primo_state::ki_1_w)); map(0x40, 0x7f).rw(FUNC(primo_state::be_2_r), FUNC(primo_state::ki_2_w)); map(0xfd, 0xfd).w(FUNC(primo_state::FD_w)); } void primo_state::primo32_mem(address_map &map) { map(0x0000, 0x3fff).bankrw("bank1"); map(0x4000, 0x7fff).ram().share("videoram").mirror(0x8000); } void primo_state::primo48_mem(address_map &map) { map(0x0000, 0x3fff).bankrw("bank1"); map(0x4000, 0x7fff).ram(); map(0x8000, 0xbfff).ram().share("videoram").mirror(0x4000); } void primo_state::primo64_mem(address_map &map) { map(0x0000, 0x3fff).bankrw("bank1"); map(0x4000, 0xbfff).ram(); map(0xc000, 0xffff).ram().share("videoram"); } static INPUT_PORTS_START( primo ) PORT_START( "IN0" ) PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("UPPER") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CTR") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_START( "IN1" ) PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/') PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_START( "IN2" ) PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('?') PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=') PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_HOME) PORT_CHAR('>') PORT_CHAR('<') PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('|') PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':') PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';') PORT_START( "IN3" ) PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("?") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('*') PORT_CHAR('\'') PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\xC2\xA3") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CLS") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(UCHAR_MAMEKEY(ENTER)) PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\xE2\x80\x9A") PORT_CODE(KEYCODE_COLON) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\xC2\xA2") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\xC2\xA0") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\xE2\x80\x9D") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BRK") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_START( "RESET" ) PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_BIT( 0xfe, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "CPU_CLOCK" ) PORT_CONFNAME(0x01, 0x00, "CPU clock" ) PORT_CONFSETTING( 0x00, "2.50 MHz" ) PORT_CONFSETTING( 0x01, "3.75 MHz" ) PORT_START( "MEMORY_EXPANSION" ) PORT_CONFNAME(0x01, 0x00, "EPROM+RAM Expansion" ) PORT_CONFSETTING( 0x00, DEF_STR( On ) ) PORT_CONFSETTING( 0x01, DEF_STR( Off ) ) INPUT_PORTS_END static const cassette_image::Options primo_cassette_options = { 1, /* channels */ 16, /* bits per sample */ 22050 /* sample frequency */ }; void primo_state::primoa32(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 2500000); m_maincpu->set_addrmap(AS_PROGRAM, &primo_state::primo32_mem); m_maincpu->set_addrmap(AS_IO, &primo_state::primoa_io); /* video hardware */ SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_refresh_hz(50); m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ m_screen->set_size(256, 192); m_screen->set_visarea(0, 256-1, 0, 192-1); m_screen->set_screen_update(FUNC(primo_state::screen_update)); m_screen->set_palette("palette"); m_screen->screen_vblank().set(FUNC(primo_state::vblank_irq)); PALETTE(config, "palette", palette_device::MONOCHROME); /* sound hardware */ SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50); /* snapshot/quickload */ SNAPSHOT(config, "snapshot", "pss").set_load_callback(FUNC(primo_state::snapshot_cb)); QUICKLOAD(config, "quickload", "pp").set_load_callback(FUNC(primo_state::quickload_cb)); CASSETTE(config, m_cassette); m_cassette->set_formats(primo_ptp_format); m_cassette->set_create_opts(&primo_cassette_options); m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED); m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); /* floppy from serial bus */ cbm_iec_slot_device::add(config, m_iec, nullptr); /* cartridge */ GENERIC_CARTSLOT(config, m_cart1, generic_plain_slot, nullptr, "bin,rom"); GENERIC_CARTSLOT(config, m_cart2, generic_plain_slot, nullptr, "bin,rom"); } void primo_state::primoa48(machine_config &config) { primoa32(config); m_maincpu->set_addrmap(AS_PROGRAM, &primo_state::primo48_mem); } void primo_state::primoa64(machine_config &config) { primoa32(config); m_maincpu->set_addrmap(AS_PROGRAM, &primo_state::primo64_mem); } void primo_state::primob32(machine_config &config) { primoa32(config); m_maincpu->set_addrmap(AS_IO, &primo_state::primob_io); MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob) } void primo_state::primob48(machine_config &config) { primoa48(config); m_maincpu->set_addrmap(AS_IO, &primo_state::primob_io); MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob) } void primo_state::primob64(machine_config &config) { primoa64(config); m_maincpu->set_addrmap(AS_IO, &primo_state::primob_io); MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob) } void primo_state::primoc64(machine_config &config) { primoa64(config); m_maincpu->set_addrmap(AS_IO, &primo_state::primob_io); MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob) } ROM_START( primoa32 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "a32_1.rom", 0x0000, 0x1000, CRC(4e91c1a4) SHA1(bf6e41b6b36a2556a50065e9acfd8cd57968f039) ) ROM_LOAD( "a32_2.rom", 0x1000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) ) ROM_LOAD( "a32_3.rom", 0x2000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) ) ROM_LOAD( "a32_4.rom", 0x3000, 0x1000, CRC(70f84bc8) SHA1(9ae1c06531edf20c14ba47e78c0747dd2a92612a) ) ROM_END ROM_START( primoa48 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "a48_1.rom", 0x0000, 0x1000, CRC(7de6ad6f) SHA1(f2fd6fac4f9bc57c646efe40281758bb7c3f56e1) ) ROM_LOAD( "a48_2.rom", 0x1000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) ) ROM_LOAD( "a48_3.rom", 0x2000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) ) ROM_LOAD( "a48_4.rom", 0x3000, 0x1000, CRC(e4d0c452) SHA1(4a98ff7502f1236445250d6b4e1c34850734350e) ) ROM_END ROM_START( primoa64 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "a64_1.rom", 0x0000, 0x1000, CRC(6a7a9b9b) SHA1(e9ce16f90d9a799a26a9cef09d9ee6a6d7749484) ) ROM_LOAD( "a64_2.rom", 0x1000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) ) ROM_LOAD( "a64_3.rom", 0x2000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) ) ROM_LOAD( "a64_4.rom", 0x3000, 0x1000, CRC(e4d0c452) SHA1(4a98ff7502f1236445250d6b4e1c34850734350e) ) ROM_END ROM_START( primob32 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "b32.rom", 0x0000, 0x4000, CRC(f594d2bb) SHA1(b74961dba008a1a6f15a22ddbd1b89acd7e286c2) ) ROM_END ROM_START( primob48 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "b48.rom", 0x0000, 0x4000, CRC(df3d2a57) SHA1(ab9413aa9d7749d30a486da00bc8c6d178a2172c) ) ROM_END ROM_START( primob64 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_SYSTEM_BIOS(0, "standard", "Standard") ROMX_LOAD( "b64.rom", 0x0000, 0x4000, CRC(cea28188) SHA1(a77e42e97402e601b78ab3751eac1e85d0bbb4a0), ROM_BIOS(0) ) ROM_SYSTEM_BIOS(1, "cdos", "CDOS") ROMX_LOAD( "b64cdos.rom", 0x0000, 0x4000, CRC(73305e4d) SHA1(c090c3430cdf19eed8363377b981e1c21a4ed169), ROM_BIOS(1) ) ROM_END ROM_START( primoc64 ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "c64_1.rom", 0x0000, 0x1000, CRC(c22290ea) SHA1(af5c73f6d0f7a987c4f082a5cb69e3f016127d57) ) ROM_LOAD( "c64_2.rom", 0x1000, 0x1000, CRC(0756b56e) SHA1(589dbdb7c43ca7ca29ed1e56e080adf8c069e407) ) ROM_LOAD( "c64_3.rom", 0x2000, 0x1000, CRC(fc56e0af) SHA1(b547fd270d3413400bc800f5b7ea9153b7a59bff) ) ROM_LOAD( "c64_4.rom", 0x3000, 0x1000, CRC(3770e3e6) SHA1(792cc71d8f89eb447f94aded5afc70d626a26030) ) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1984, primoa32, 0, 0, primoa32, primo, primo_state, init_primo, "Microkey", "Primo A-32", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primoa48, primoa32, 0, primoa48, primo, primo_state, init_primo, "Microkey", "Primo A-48", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primoa64, primoa32, 0, primoa64, primo, primo_state, init_primo, "Microkey", "Primo A-64", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primob32, primoa32, 0, primob32, primo, primo_state, init_primo, "Microkey", "Primo B-32", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primob48, primoa32, 0, primob48, primo, primo_state, init_primo, "Microkey", "Primo B-48", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primob64, primoa32, 0, primob64, primo, primo_state, init_primo, "Microkey", "Primo B-64", MACHINE_SUPPORTS_SAVE ) COMP( 1984, primoc64, primoa32, 0, primoc64, primo, primo_state, init_primo, "Microkey", "Primo C-64", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )