summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/primo.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/primo.cpp')
-rw-r--r--src/mame/drivers/primo.cpp382
1 files changed, 382 insertions, 0 deletions
diff --git a/src/mame/drivers/primo.cpp b/src/mame/drivers/primo.cpp
new file mode 100644
index 00000000000..65e40039316
--- /dev/null
+++ b/src/mame/drivers/primo.cpp
@@ -0,0 +1,382 @@
+// 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
+
+*******************************************************************************/
+
+#include "emu.h"
+#include "sound/speaker.h"
+#include "sound/wave.h"
+#include "includes/primo.h"
+#include "cpu/z80/z80.h"
+#include "imagedev/cassette.h"
+#include "imagedev/snapquik.h"
+#include "formats/primoptp.h"
+#include "bus/cbmiec/cbmiec.h"
+
+static ADDRESS_MAP_START( primoa_port, AS_IO, 8, primo_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE( 0x00, 0x3f ) AM_READWRITE(primo_be_1_r, primo_ki_1_w )
+ AM_RANGE( 0xfd, 0xfd ) AM_WRITE(primo_FD_w )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( primob_port, AS_IO, 8, primo_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE( 0x00, 0x3f ) AM_READWRITE(primo_be_1_r, primo_ki_1_w )
+ AM_RANGE( 0x40, 0x7f ) AM_READWRITE(primo_be_2_r, primo_ki_2_w )
+ AM_RANGE( 0xfd, 0xfd ) AM_WRITE(primo_FD_w )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( primo32_mem, AS_PROGRAM, 8, primo_state )
+ AM_RANGE( 0x0000, 0x3fff ) AM_RAMBANK("bank1")
+ AM_RANGE( 0x4000, 0x7fff ) AM_RAM AM_MIRROR ( 0x8000 )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( primo48_mem, AS_PROGRAM, 8, primo_state )
+ AM_RANGE( 0x0000, 0x3fff ) AM_RAMBANK("bank1")
+ AM_RANGE( 0x4000, 0x7fff ) AM_RAM
+ AM_RANGE( 0x8000, 0xbfff ) AM_RAM AM_MIRROR ( 0x4000 )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( primo64_mem, AS_PROGRAM, 8, primo_state )
+ AM_RANGE( 0x0000, 0x3fff ) AM_RAMBANK("bank1")
+ AM_RANGE( 0x4000, 0xffff ) AM_RAM
+ADDRESS_MAP_END
+
+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 struct CassetteOptions primo_cassette_options = {
+ 1, /* channels */
+ 16, /* bits per sample */
+ 22050 /* sample frequency */
+};
+
+static MACHINE_CONFIG_START( primoa32, primo_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD( "maincpu", Z80, 2500000 )
+ MCFG_CPU_PROGRAM_MAP( primo32_mem)
+ MCFG_CPU_IO_MAP( primoa_port)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", primo_state, primo_vblank_interrupt)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE( 50 )
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE( 256, 192 )
+ MCFG_SCREEN_VISIBLE_AREA( 0, 256-1, 0, 192-1 )
+ MCFG_SCREEN_UPDATE_DRIVER(primo_state, screen_update_primo)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ /* snapshot/quickload */
+ MCFG_SNAPSHOT_ADD("snapshot", primo_state, primo, "pss", 0)
+ MCFG_QUICKLOAD_ADD("quickload", primo_state, primo, "pp", 0)
+
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(primo_ptp_format)
+ MCFG_CASSETTE_CREATE_OPTS(&primo_cassette_options)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED)
+
+ /* floppy from serial bus */
+ MCFG_CBM_IEC_ADD(NULL)
+
+ /* cartridge */
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot1", generic_plain_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot2", generic_plain_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primoa48, primoa32 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(primo48_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primoa64, primoa32 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(primo64_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primob32, primoa32 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(primob_port)
+
+ MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primob48, primoa48 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(primob_port)
+
+ MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primob64, primoa64 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(primob_port)
+
+ MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( primoc64, primoa64 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(primob_port)
+
+ MCFG_MACHINE_RESET_OVERRIDE(primo_state, primob)
+MACHINE_CONFIG_END
+
+ROM_START( primoa32 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "a32_1.rom", 0x10000, 0x1000, CRC(4e91c1a4) SHA1(bf6e41b6b36a2556a50065e9acfd8cd57968f039) )
+ ROM_LOAD( "a32_2.rom", 0x11000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) )
+ ROM_LOAD( "a32_3.rom", 0x12000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) )
+ ROM_LOAD( "a32_4.rom", 0x13000, 0x1000, CRC(70f84bc8) SHA1(9ae1c06531edf20c14ba47e78c0747dd2a92612a) )
+ROM_END
+
+ROM_START( primoa48 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "a48_1.rom", 0x10000, 0x1000, CRC(7de6ad6f) SHA1(f2fd6fac4f9bc57c646efe40281758bb7c3f56e1) )
+ ROM_LOAD( "a48_2.rom", 0x11000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) )
+ ROM_LOAD( "a48_3.rom", 0x12000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) )
+ ROM_LOAD( "a48_4.rom", 0x13000, 0x1000, CRC(e4d0c452) SHA1(4a98ff7502f1236445250d6b4e1c34850734350e) )
+ROM_END
+
+ROM_START( primoa64 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "ver1", "ver 1")
+ ROM_LOAD( "a64_1.rom", 0x10000, 0x1000, CRC(6a7a9b9b) SHA1(e9ce16f90d9a799a26a9cef09d9ee6a6d7749484) )
+ ROM_LOAD( "a64_2.rom", 0x11000, 0x1000, CRC(81a8a0fb) SHA1(df75bd7774969cabb062e50da6004f2efbde489e) )
+ ROM_LOAD( "a64_3.rom", 0x12000, 0x1000, CRC(a97de2f5) SHA1(743c76121f5b9e1eab35c8c00797311f58da5243) )
+ ROM_LOAD( "a64_4.rom", 0x13000, 0x1000, CRC(e4d0c452) SHA1(4a98ff7502f1236445250d6b4e1c34850734350e) )
+ROM_END
+
+ROM_START( primob32 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "b32.rom", 0x10000, 0x4000, CRC(f594d2bb) SHA1(b74961dba008a1a6f15a22ddbd1b89acd7e286c2) )
+ROM_END
+
+ROM_START( primob48 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "b48.rom", 0x10000, 0x4000, CRC(df3d2a57) SHA1(ab9413aa9d7749d30a486da00bc8c6d178a2172c) )
+ROM_END
+
+ROM_START( primob64 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "standart", "Standart")
+ ROMX_LOAD( "b64.rom", 0x10000, 0x4000, CRC(cea28188) SHA1(a77e42e97402e601b78ab3751eac1e85d0bbb4a0), ROM_BIOS(1) )
+ ROM_SYSTEM_BIOS(1, "cdos", "CDOS")
+ ROMX_LOAD( "b64cdos.rom", 0x10000, 0x4000, CRC(73305e4d) SHA1(c090c3430cdf19eed8363377b981e1c21a4ed169), ROM_BIOS(2) )
+ROM_END
+
+ROM_START( primoc64 )
+ ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "c64_1.rom", 0x10000, 0x1000, CRC(c22290ea) SHA1(af5c73f6d0f7a987c4f082a5cb69e3f016127d57) )
+ ROM_LOAD( "c64_2.rom", 0x11000, 0x1000, CRC(0756b56e) SHA1(589dbdb7c43ca7ca29ed1e56e080adf8c069e407) )
+ ROM_LOAD( "c64_3.rom", 0x12000, 0x1000, CRC(fc56e0af) SHA1(b547fd270d3413400bc800f5b7ea9153b7a59bff) )
+ ROM_LOAD( "c64_4.rom", 0x13000, 0x1000, CRC(3770e3e6) SHA1(792cc71d8f89eb447f94aded5afc70d626a26030) )
+ROM_END
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
+COMP ( 1984, primoa32, 0, 0, primoa32, primo, primo_state, primo32, "Microkey", "Primo A-32" , 0)
+COMP ( 1984, primoa48, primoa32, 0, primoa48, primo, primo_state, primo48, "Microkey", "Primo A-48" , 0)
+COMP ( 1984, primoa64, primoa32, 0, primoa64, primo, primo_state, primo64, "Microkey", "Primo A-64" , 0)
+COMP ( 1984, primob32, primoa32, 0, primob32, primo, primo_state, primo32, "Microkey", "Primo B-32" , 0)
+COMP ( 1984, primob48, primoa32, 0, primob48, primo, primo_state, primo48, "Microkey", "Primo B-48" , 0)
+COMP ( 1984, primob64, primoa32, 0, primob64, primo, primo_state, primo64, "Microkey", "Primo B-64" , 0)
+COMP ( 1984, primoc64, primoa32, 0, primoc64, primo, primo_state, primo64, "Microkey", "Primo C-64" , MACHINE_NOT_WORKING)