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+// license:BSD-3-Clause
+// copyright-holders:Antoine Mine
+/**********************************************************************
+
+ Copyright (C) Antoine Mine' 2006
+
+ Thomson 8-bit micro-computers.
+
+ A 6809E-based French family of personal computers developed in the 80's.
+ Despite their rather high price and poor design , they were quite popular
+ in France, probably due to the government plan "Informatique pour tous"
+ (Computer Science for Everyone) to put a network of MO5 computers in every
+ school during 1984-1986. And maybe their very popular light-pen.
+
+ Drivers
+ - t9000 Thomson T9000 (early TO7 prototype, oct 1980)
+ - to7 Thomson TO7 (nov 1982)
+ - to770 Thomson TO7/70 (scarcely enhanced TO7, 1984)
+ - mo5 Thomson MO5 (entry-game, TO7-incompatible, jun 1984)
+ - to9 Thomson TO9 (high-end TO7/70 successor, sep 1985)
+ - mo5e Thomson MO5E (export MO5 version, 1986)
+ - to8 Thomson TO8 (next generation of TO7/70, sep 1986)
+ - to9p Thomson TO9+ (improved TO9 with TO8 technology, sep 1986)
+ - mo6 Thomson MO6 (improved MO5 with TO8 technology, sep 1986)
+ - mo5nr Thomson MO5NR (network-enhanced MO6, 1986)
+ - to8d Thomson TO8D (TO8 with integrated floppy, dec 1987)
+ - pro128 Olivetti Prodest PC 128 (Italian MO6, built by Thomson, 1986)
+
+ We do not consider here the few 16-bit computers built by Thomson
+ (68000-based Micromega 32, 8088-based Micromega 16 or the TO16: Thomson's own
+ 8088-based PC).
+
+ You may distinguish three families:
+ * TO7,TO7/70,TO8,TO8D (family computers)
+ * TO9,TO9+ (professional desktop look with separate keyboard and monitor)
+ * MO5,MO5E,MO5NR,MO6 (cheaper, less extensible family)
+ Computers in both TO families are compatible. Computers in the MO family are
+ compatible. However, the TO and MO families are incompatible
+ (different memory-mapping).
+
+ Note that the TO8, TO9+ and MO6 were produced at the same time, using very
+ similar technologies, but with different cost/feature trade-offs and
+ different compatibility (MO6 is MO5-compatible, TO9+ is TO9-compatible and
+ TO8 and TO9+ are TO7-compatible).
+ Also note that the MO5NR is actually based on MO6 design, not MO5
+ (although both MO5NR and MO6 are MO5-compatible)
+
+ Also of interest are the Platini and Hinault versions of the MO5
+ (plain MO5 inside, but with custom, signed box-case).
+ There were several versions of TO7/70 and MO5 with alternate keyboards.
+
+ Thomson stopped producing micro-computers in jan 1990.
+
+**********************************************************************/
+
+/* TODO (roughly in decreasing priority order):
+ ----
+
+ - internal, keyboard-attached TO9 mouse port (untested)
+ - floppy: 2-sided or 4-sided .fd images
+ - printer post-processing => postscript
+ - RS232 serial port extensions: CC 90-232, RF 57-932
+ - modem, teltel extension: MD 90-120 / MD 90-333 (need controller ROM?)
+ - IEEE extension
+ - TV overlay (IN 57-001) (@)
+ - digitisation extension (DI 90-011) (@)
+ - barcode reader (@)
+
+ (@) means MESS is lacking support for this kind of device / feature anyway
+
+*/
+
+#include "includes/thomson.h"
+#include "bus/rs232/rs232.h"
+#include "machine/6821pia.h"
+#include "machine/wd_fdc.h"
+#include "machine/clock.h"
+#include "bus/centronics/ctronics.h"
+#include "imagedev/flopdrv.h"
+#include "formats/cd90_640_dsk.h"
+#include "formats/basicdsk.h"
+#include "machine/ram.h"
+
+
+/**************************** common *******************************/
+
+/* layout */
+static const char layout_thomson[] = "thomson";
+
+#define KEY(pos,name,key) \
+ PORT_BIT ( 1<<(pos), IP_ACTIVE_LOW, IPT_KEYBOARD ) \
+ PORT_NAME ( name ) \
+ PORT_CODE ( KEYCODE_##key )
+
+#define PAD(mask,player,name,port,dir,key) \
+ PORT_BIT ( mask, IP_ACTIVE_LOW, IPT_##port ) \
+ PORT_NAME ( "P" #player " " name ) \
+ PORT_CODE( KEYCODE_##key ) \
+ PORT_PLAYER ( player )
+
+
+/* ------------- game port ------------- */
+
+/*
+ Two generations of game port extensions were developped
+
+ - CM 90-112 (model 1)
+ connect up to two 8-position 1-button game pads
+
+ - SX 90-018 (model 2)
+ connect either two 8-position 2-button game pads
+ or a 2-button mouse (not both at the same time!)
+
+ We emulate the SX 90-018 as it is fully compatible with the CM 90-112.
+
+ Notes:
+ * all extensions are compatible with all Thomson computers.
+ * the SX 90-018 extension is integrated within the TO8(D)
+ * the TO9 has its own, different mouse port
+ * all extensions are based on a Motorola 6821 PIA
+ * all extensions include a 6-bit sound DAC
+ * most pre-TO8 software (including TO9) do not recognise the mouse nor the
+ second button of each pad
+ * the mouse cannot be used at the same time as the pads: they use the same
+ 6821 input ports & physical port; we use a config switch to tell MESS
+ whether pads or a mouse is connected
+ * the mouse should not be used at the same time as the sound DAC: they use
+ the same 6821 ports, either as input or output; starting from the TO8,
+ there is a 'mute' signal to cut the DAC output and avoid producing an
+ audible buzz whenever the mouse is moved; unfortunately, mute is not
+ available on the TO7(/70), TO9 and MO5.
+*/
+
+static INPUT_PORTS_START( thom_game_port )
+
+/* joysticks, common to CM 90-112 & SX 90-018 */
+ PORT_START ( "game_port_directions" )
+ PAD ( 0x01, 1, UTF8_UP, JOYSTICK_UP, UP, UP)
+ PAD ( 0x02, 1, UTF8_DOWN, JOYSTICK_DOWN, DOWN, DOWN )
+ PAD ( 0x04, 1, UTF8_LEFT, JOYSTICK_LEFT, LEFT, LEFT )
+ PAD ( 0x08, 1, UTF8_RIGHT, JOYSTICK_RIGHT, RIGHT, RIGHT )
+ PAD ( 0x10, 2, UTF8_UP, JOYSTICK_UP, UP, 8_PAD )
+ PAD ( 0x20, 2, UTF8_DOWN, JOYSTICK_DOWN, DOWN, 2_PAD )
+ PAD ( 0x40, 2, UTF8_LEFT, JOYSTICK_LEFT, LEFT, 4_PAD )
+ PAD ( 0x80, 2, UTF8_RIGHT, JOYSTICK_RIGHT, RIGHT, 6_PAD )
+
+ PORT_START ( "game_port_buttons" )
+ PAD ( 0x40, 1, "Action A", BUTTON1, BUTTON1, LCONTROL )
+ PAD ( 0x80, 2, "Action A", BUTTON1, BUTTON1, RCONTROL )
+
+/* joysticks, SX 90-018 specific */
+ PAD ( 0x04, 1, "Action B", BUTTON2, BUTTON2, LALT )
+ PAD ( 0x08, 2, "Action B", BUTTON2, BUTTON2, RALT )
+ PORT_BIT ( 0x30, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT ( 0x03, IP_ACTIVE_HIGH, IPT_UNUSED ) /* ? */
+
+/* mouse, SX 90-018 specific */
+ PORT_START ( "mouse_x" )
+ PORT_BIT ( 0xffff, 0x00, IPT_MOUSE_X )
+ PORT_NAME ( "Mouse X" )
+ PORT_SENSITIVITY ( 150 )
+ PORT_PLAYER (1)
+
+ PORT_START ( "mouse_y" )
+ PORT_BIT ( 0xffff, 0x00, IPT_MOUSE_Y )
+ PORT_NAME ( "Mouse Y" )
+ PORT_SENSITIVITY ( 150 )
+ PORT_PLAYER (1)
+
+ PORT_START ( "mouse_button" )
+ PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_NAME ( "Left Mouse Button" )
+ PORT_CODE( MOUSECODE_BUTTON1 )
+ PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
+ PORT_NAME ( "Right Mouse Button" )
+
+INPUT_PORTS_END
+
+
+/* ------------ lightpen ------------ */
+
+static INPUT_PORTS_START( thom_lightpen )
+
+ PORT_START ( "lightpen_x" )
+ PORT_BIT ( 0xffff, THOM_TOTAL_WIDTH/2, IPT_LIGHTGUN_X )
+ PORT_NAME ( "Lightpen X" )
+ PORT_MINMAX( 0, THOM_TOTAL_WIDTH )
+ PORT_SENSITIVITY( 50 )
+ PORT_CROSSHAIR(X, 1.0, 0.0, 0)
+
+ PORT_START ( "lightpen_y" )
+ PORT_BIT ( 0xffff, THOM_TOTAL_HEIGHT/2, IPT_LIGHTGUN_Y )
+ PORT_NAME ( "Lightpen Y" )
+ PORT_MINMAX ( 0, THOM_TOTAL_HEIGHT )
+ PORT_SENSITIVITY( 50 )
+ PORT_CROSSHAIR(Y, 1.0, 0.0, 0)
+
+ PORT_START ( "lightpen_button" )
+ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+ PORT_NAME ( "Lightpen Button" )
+ PORT_CODE( MOUSECODE_BUTTON1 )
+
+INPUT_PORTS_END
+
+/************************** T9000 / TO7 *******************************
+
+TO7 (1982)
+---
+
+First computer by Thomson.
+Note that the computer comes with only a minimal BIOS and requires an
+external cartridge to be usable.
+Most software are distributed on cassette and require the BASIC 1.0 cartridge
+to be present (-cart basic.m7), as only it provides the necessary OS
+capabilities (e.g., a cassette loader).
+To use disks, you will need both a BASIC 1.0 cartridge and a BASIC DOS
+boot floppy.
+
+* chips:
+ - 1 MHz Motorola 6809E CPU
+ - 1 Motorola 6821 PIA (+3 for I/O, game, and modem extensions)
+ - 1 Motorola 6846 timer, I/O, ROM
+
+* memory:
+ - 8 KB base user RAM
+ + 16 KB extended user RAM (EM 90-016) = 24 KB total user RAM emulated
+ + homebrew 8 KB RAM extension (Theophile magazine 6, sept 1984)
+ - 6 KB BIOS ROM
+ - 6-bit x 8 K color RAM + 8-bit x 8 K point RAM, bank switched
+ - 2 to 8 KB ROM comes with the floppy drive / network controller
+
+* video:
+ 320x200 pixels with color constraints (2 colors per horizontal
+ 8-pixel span), 8-color pixel palette,
+ 50 Hz (tweaked SECAM)
+
+* devices:
+ - AZERTY keyboard, 58-keys, French with accents
+ - cartridge 16 KB (up to 64 KB using bank-switching),
+ the MESS cartridge device is named -cart
+ - cassette 900 bauds (frequency signals: 0=4.5 kHz, 1=6.3 kHz)
+ the MESS cassette device is named -cass
+ - 1-bit internal buzzer
+ - lightpen, with 8-pixel horizontal resolution, 1-pixel vertical
+ - SX 90-018 game & music extension
+ . 6-bit DAC sound
+ . two 8-position 2-button game pads
+ . 2-button mouse
+ . based on a Motorola 6821 PIA
+ - CC 90-232 I/O extension:
+ . CENTRONICS (printer)
+ . RS232 (unemulated)
+ . based on a Motorola 6821 PIA
+ . NOTE: you cannot use the CENTRONICS and RS232 at the same time
+ - RF 57-932: RS232 extension, based on a SY 6551 ACIA (unemulated)
+ - MD 90-120: MODEM, TELETEL extension (unemulated)
+ . 1 Motorola 6850 ACIA
+ . 1 Motorola 6821 PIA
+ . 1 EFB 7513 MODEM FSK V13, full duplex
+ . PTT-, VELI7Y-, and V23-compatible MODEM (up to 1200 bauds)
+ . seems to come with an extra ROM
+ - 5"1/2 floppy drive extension
+ . CD 90-640 floppy controller, based on a Western Digital 2793
+ . DD 90-320 double-density double-sided 5"1/4 floppy
+ (2 drives considered as 4 simple-face drives: 0/1 for the first drive,
+ 2/3 for the second drive, 1 and 3 for upper sides, 0 and 2 for lower
+ sides)
+ . floppies are 40 tracks/side, 16 sectors/track, 128 or 256 bytes/sector
+ = from 80 KB one-sided single-density, to 320 KB two-sided double-density
+ . MESS floppy devices are named -flop0 to -flop3
+ - alternate 5"1/2 floppy drive extension
+ . CD 90-015 floppy controller, based on a HD 46503 S
+ . UD 90-070 5"1/4 single-sided single density floppy drive
+ - alternate 3"1/2 floppy drive extension
+ . CD 90-351 floppy controller, based on a custom Thomson gate-array
+ . DD 90-352 3"1/2 floppy drives
+ - alternate QDD floppy drive extension
+ . CQ 90-028 floppy controller, based on a Motorola 6852 SSDA
+ . QD 90-028 quickdrive 2"8 (QDD), only one drive, signe side
+ - speech synthesis extension: based on a Philips / Signetics MEA 8000
+ (cannot be used with the MODEM)
+ - MIDIPAK MIDI extension, uses a EF 6850 ACIA
+ - NR 07-005: network extension, MC 6854 based, 2 KB ROM & 64 KB RAM
+ (build by the French Leanord company)
+
+
+T9000 (1980)
+-----
+
+Early TO7 prototype.
+The hardware seems to be the exactly same. Only the BIOS is different.
+It has some bug that were corrected later for the TO7.
+Actually, the two computers are undistinguishable, except for the different
+startup screen, and a couple BIOS addresses.
+They can run the same software and accept the same devices and extensions.
+
+
+**********************************************************************/
+
+/* ------------ address maps ------------ */
+
+static ADDRESS_MAP_START ( to7, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x3fff ) AM_READ_BANK ( THOM_CART_BANK ) AM_WRITE(to7_cartridge_w ) /* 4 * 16 KB */
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( THOM_VRAM_BANK ) AM_WRITE(to7_vram_w )
+ AM_RANGE ( 0x6000, 0x7fff ) AM_RAMBANK ( THOM_BASE_BANK ) /* 1 * 8 KB */
+ AM_RANGE ( 0x8000, 0xdfff ) AM_RAMBANK ( THOM_RAM_BANK ) /* 16 or 24 KB (for extension) */
+ AM_RANGE ( 0xe000, 0xe7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xe7c0, 0xe7c7 ) AM_DEVREADWRITE("mc6846", mc6846_device, read, write)
+ AM_RANGE ( 0xe7c8, 0xe7cb ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7cc, 0xe7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7d0, 0xe7df ) AM_READWRITE(to7_floppy_r, to7_floppy_w )
+ AM_RANGE ( 0xe7e0, 0xe7e3 ) AM_DEVREADWRITE( "to7_io:pia_2", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7e8, 0xe7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+ AM_RANGE ( 0xe7f2, 0xe7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xe7f8, 0xe7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7fe, 0xe7ff ) AM_READWRITE(to7_modem_mea8000_r, to7_modem_mea8000_w )
+ AM_RANGE ( 0xe800, 0xffff ) AM_ROM /* system bios */
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x247ff: 18 KB floppy / network ROM controllers */
+
+/* RAM mapping:
+ 0x0000 - 0x3fff: 16 KB video RAM (actually 8 K x 8 bits + 8 K x 6 bits)
+ 0x4000 - 0x5fff: 8 KB base RAM
+ 0x6000 - 0x9fff: 16 KB extended RAM
+ 0xa000 - 0xbfff: 8 KB more extended RAM
+ */
+ADDRESS_MAP_END
+
+
+
+/* ------------ ROMS ------------ */
+
+/* external floppy controllers */
+#define ROM_FLOPPY( base ) \
+ /* no controller */ \
+ ROM_FILL( base, 0x800, 0x39 ) \
+ /* CD 90-015 (5"1/4) */ \
+ ROM_LOAD ( "cd90-015.rom", base+0x800, 0x7c0, \
+ CRC(821d34c1) \
+ SHA1(31a6bb81baaeec5fc8de457c97264f9dfa92c18b) ) \
+ /* CD 90-640 (5"1/4) */ \
+ ROM_LOAD ( "cd90-640.rom", base+0x1000, 0x7c0, \
+ CRC(5114c0a5) \
+ SHA1(5c72566c22d8160ef0c75959e1863a1309bbbe49) ) \
+ /* CD 90-351 (3"1/2) */ \
+ ROM_LOAD ( "cd-351-0.rom", base+0x1800, 0x7c0, \
+ CRC(2c0159fd) \
+ SHA1(bab5395ed8bc7c06f9897897f836054e6546e8e8) ) \
+ ROM_LOAD ( "cd-351-1.rom", base+0x2000, 0x7c0, \
+ CRC(8e58d159) \
+ SHA1(dcf992c96e7556b2faee6bacd3f744e56998e6ea) ) \
+ ROM_LOAD ( "cd-351-2.rom", base+0x2800, 0x7c0, \
+ CRC(c9228b60) \
+ SHA1(179e10107d5be91e684069dee80f94847b83201f) ) \
+ ROM_LOAD ( "cd-351-3.rom", base+0x3000, 0x7c0, \
+ CRC(3ca8e5dc) \
+ SHA1(7118636fb5c597c78c2fce17b02aed5e4ba38635) ) \
+ /* CQ 90-028 (2"8, aka QDD) */ \
+ ROM_LOAD ( "cq90-028.rom", base+0x3800, 0x7c0, \
+ CRC(ca4dba3d) \
+ SHA1(949c1f777c892da62c242215d79757d61e71e62b) )
+
+/* external floppy / network controller: 9 banks */
+#define ROM_FLOPPY5( base ) \
+ ROM_FLOPPY( base ) \
+ ROM_LOAD ( "nano5.rom", base+0x4000, 0x7c0, \
+ CRC(2f756868) \
+ SHA1(b5b7cb6d12493d849330b6b5628efd1a83a4bbf5) )
+
+#define ROM_FLOPPY7( base ) \
+ ROM_FLOPPY( base ) \
+ ROM_LOAD ( "nano7.rom", base+0x4000, 0x7c0, \
+ CRC(42a1d1a6) \
+ SHA1(973209f4baa5e81bf7885c0602949e064bac7862) )
+
+
+ROM_START ( to7 )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "to7.rom", 0xe800, 0x1800,
+ CRC(0e7826da)
+ SHA1(23a2f84b03c01d385cc1923c8ece95c43756297a) )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ ROM_FLOPPY7 ( 0x20000 )
+ROM_END
+
+ROM_START ( t9000 )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "t9000.rom", 0xe800, 0x1800,
+ CRC(daa8cfbf)
+ SHA1(a5735db1ad4e529804fc46603f838d3f4ccaf5cf) )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ ROM_FLOPPY7 ( 0x20000 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( to7_config )
+ PORT_START ( "config" )
+
+ PORT_CONFNAME ( 0x01, 0x00, "Game Port" )
+ PORT_CONFSETTING ( 0x00, DEF_STR( Joystick ) )
+ PORT_CONFSETTING ( 0x01, "Mouse" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to7_vconfig )
+ PORT_START ( "vconfig" )
+
+ PORT_CONFNAME ( 0x03, 0x00, "Border" )
+ PORT_CONFSETTING ( 0x00, "Normal (56x47)" )
+ PORT_CONFSETTING ( 0x01, "Small (16x16)" )
+ PORT_CONFSETTING ( 0x02, DEF_STR ( None ) )
+
+ PORT_CONFNAME ( 0x0c, 0x08, "Resolution" )
+ PORT_CONFSETTING ( 0x00, DEF_STR ( Low ) )
+ PORT_CONFSETTING ( 0x04, DEF_STR ( High ) )
+ PORT_CONFSETTING ( 0x08, "Auto" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to7_mconfig )
+ PORT_START ( "mconfig" )
+
+ PORT_CONFNAME ( 0x01, 0x01, "E7FE-F port" )
+ PORT_CONFSETTING ( 0x00, "Modem (unemulated)" )
+ PORT_CONFSETTING ( 0x01, "Speech" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to7_fconfig )
+ PORT_START ( "fconfig" )
+
+ PORT_CONFNAME ( 0x07, 0x03, "Floppy (reset)" )
+ PORT_CONFSETTING ( 0x00, DEF_STR ( None ) )
+ PORT_CONFSETTING ( 0x01, "CD 90-015 (5\"1/4 SD)" )
+ PORT_CONFSETTING ( 0x02, "CD 90-640 (5\"1/4 DD)" )
+ PORT_CONFSETTING ( 0x03, "CD 90-351 (3\"1/2)" )
+ PORT_CONFSETTING ( 0x04, "CQ 90-028 (2\"8 QDD)" )
+ PORT_CONFSETTING ( 0x05, "Network" )
+
+ PORT_CONFNAME ( 0xf8, 0x08, "Network ID" )
+ PORT_CONFSETTING ( 0x00, "0 (Master)" )
+ PORT_CONFSETTING ( 0x08, "1" )
+ PORT_CONFSETTING ( 0x10, "2" )
+ PORT_CONFSETTING ( 0x18, "3" )
+ PORT_CONFSETTING ( 0x20, "4" )
+ PORT_CONFSETTING ( 0x28, "5" )
+ PORT_CONFSETTING ( 0x30, "6" )
+ PORT_CONFSETTING ( 0x38, "7" )
+ PORT_CONFSETTING ( 0x40, "8" )
+ PORT_CONFSETTING ( 0x48, "9" )
+ PORT_CONFSETTING ( 0x50, "10" )
+ PORT_CONFSETTING ( 0x58, "11" )
+ PORT_CONFSETTING ( 0x60, "12" )
+ PORT_CONFSETTING ( 0x68, "13" )
+ PORT_CONFSETTING ( 0x70, "14" )
+ PORT_CONFSETTING ( 0x78, "15" )
+ PORT_CONFSETTING ( 0x80, "16" )
+ PORT_CONFSETTING ( 0x88, "17" )
+ PORT_CONFSETTING ( 0x90, "18" )
+ PORT_CONFSETTING ( 0x98, "19" )
+ PORT_CONFSETTING ( 0xa0, "20" )
+ PORT_CONFSETTING ( 0xa8, "21" )
+ PORT_CONFSETTING ( 0xb0, "22" )
+ PORT_CONFSETTING ( 0xb8, "23" )
+ PORT_CONFSETTING ( 0xc0, "24" )
+ PORT_CONFSETTING ( 0xc8, "25" )
+ PORT_CONFSETTING ( 0xd0, "26" )
+ PORT_CONFSETTING ( 0xd8, "27" )
+ PORT_CONFSETTING ( 0xe0, "28" )
+ PORT_CONFSETTING ( 0xe8, "29" )
+ PORT_CONFSETTING ( 0xf0, "30" )
+ PORT_CONFSETTING ( 0xf8, "31" )
+
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START ( to7_keyboard )
+ PORT_START ( "keyboard.0" )
+ KEY ( 0, "Shift", LSHIFT ) PORT_CODE ( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT ( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.1" )
+ KEY ( 0, "W", W ) PORT_CHAR('W')
+ KEY ( 1, UTF8_UP, UP ) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ KEY ( 2, "C \303\247", C ) PORT_CHAR('C')
+ KEY ( 3, "Clear", ESC ) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ KEY ( 4, "Enter", ENTER ) PORT_CHAR(13)
+ KEY ( 5, "Control", LCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ KEY ( 6, "Accent", END ) PORT_CHAR(UCHAR_MAMEKEY(END))
+ KEY ( 7, "Stop", TAB ) PORT_CHAR(27)
+ PORT_START ( "keyboard.2" )
+ KEY ( 0, "X", X ) PORT_CHAR('X')
+ KEY ( 1, UTF8_LEFT, LEFT ) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ KEY ( 2, "V", V ) PORT_CHAR('V')
+ KEY ( 3, "Q", Q ) PORT_CHAR('Q')
+ KEY ( 4, "* :", QUOTE ) PORT_CHAR('*') PORT_CHAR(':')
+ KEY ( 5, "A", A ) PORT_CHAR('A')
+ KEY ( 6, "+ ;", EQUALS ) PORT_CHAR('+') PORT_CHAR(';')
+ KEY ( 7, "1 !", 1 ) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_START ( "keyboard.3" )
+ KEY ( 0, "Space Caps-Lock", SPACE ) PORT_CHAR(' ') PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ KEY ( 1, UTF8_DOWN, DOWN ) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ KEY ( 2, "B", B ) PORT_CHAR('B')
+ KEY ( 3, "S", S ) PORT_CHAR('S')
+ KEY ( 4, "/ ?", SLASH ) PORT_CHAR('/') PORT_CHAR('?')
+ KEY ( 5, "Z \305\223", Z) PORT_CHAR('Z')
+ KEY ( 6, "- =", MINUS ) PORT_CHAR('-') PORT_CHAR('=')
+ KEY ( 7, "2 \" \302\250", 2 ) PORT_CHAR('2') PORT_CHAR('"')
+ PORT_START ( "keyboard.4" )
+ KEY ( 0, "@ \342\206\221", TILDE ) PORT_CHAR('@')
+ KEY ( 1, UTF8_RIGHT, RIGHT ) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ KEY ( 2, "M", M ) PORT_CHAR('M')
+ KEY ( 3, "D", D ) PORT_CHAR('D')
+ KEY ( 4, "P", P ) PORT_CHAR('P')
+ KEY ( 5, "E", E ) PORT_CHAR('E')
+ KEY ( 6, "0 \140", 0 ) PORT_CHAR('0') PORT_CHAR( 0140 )
+ KEY ( 7, "3 #", 3 ) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_START ( "keyboard.5" )
+ KEY ( 0, ". >", STOP ) PORT_CHAR('.') PORT_CHAR('>')
+ KEY ( 1, "Home", HOME ) PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ KEY ( 2, "L", L ) PORT_CHAR('L')
+ KEY ( 3, "F", F ) PORT_CHAR('F')
+ KEY ( 4, "O", O ) PORT_CHAR('O')
+ KEY ( 5, "R", R ) PORT_CHAR('R')
+ KEY ( 6, "9 )", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ KEY ( 7, "4 $", 4 ) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_START ( "keyboard.6" )
+ KEY ( 0, ", <", COMMA ) PORT_CHAR(',') PORT_CHAR('<')
+ KEY ( 1, "Insert", INSERT ) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ KEY ( 2, "K", K ) PORT_CHAR('K')
+ KEY ( 3, "G", G ) PORT_CHAR('G')
+ KEY ( 4, "I", I ) PORT_CHAR('I')
+ KEY ( 5, "T", T ) PORT_CHAR('T')
+ KEY ( 6, "8 (", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ KEY ( 7, "5 %", 5 ) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_START ( "keyboard.7" )
+ KEY ( 0, "N", N ) PORT_CHAR('N')
+ KEY ( 1, "Delete", DEL ) PORT_CHAR(8)
+ KEY ( 2, "J \305\222", J ) PORT_CHAR('J')
+ KEY ( 3, "H \302\250", H ) PORT_CHAR('H')
+ KEY ( 4, "U", U ) PORT_CHAR('U')
+ KEY ( 5, "Y", Y ) PORT_CHAR('Y')
+ KEY ( 6, "7 ' \302\264", 7 ) PORT_CHAR('7') PORT_CHAR('\'')
+ KEY ( 7, "6 &", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+
+ /* unused */
+ PORT_START ( "keyboard.8" )
+ PORT_START ( "keyboard.9" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to7 )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( to7_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to7_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+ PORT_INCLUDE ( to7_mconfig )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( t9000 )
+ PORT_INCLUDE ( to7 )
+INPUT_PORTS_END
+
+WRITE_LINE_MEMBER( thomson_state::fdc_index_0_w )
+{
+ thomson_index_callback(machine().device<legacy_floppy_image_device>(FLOPPY_0), state);
+}
+
+WRITE_LINE_MEMBER( thomson_state::fdc_index_1_w )
+{
+ thomson_index_callback(machine().device<legacy_floppy_image_device>(FLOPPY_1), state);
+}
+
+WRITE_LINE_MEMBER( thomson_state::fdc_index_2_w )
+{
+ thomson_index_callback(machine().device<legacy_floppy_image_device>(FLOPPY_2), state);
+}
+
+WRITE_LINE_MEMBER( thomson_state::fdc_index_3_w )
+{
+ thomson_index_callback(machine().device<legacy_floppy_image_device>(FLOPPY_3), state);
+}
+
+static const floppy_interface thomson_floppy_interface =
+{
+ FLOPPY_STANDARD_5_25_DSHD,
+ LEGACY_FLOPPY_OPTIONS_NAME(thomson),
+ NULL
+};
+
+FLOPPY_FORMATS_MEMBER( thomson_state::cd90_640_formats )
+ FLOPPY_CD90_640_FORMAT
+FLOPPY_FORMATS_END
+
+static SLOT_INTERFACE_START( cd90_640_floppies )
+ SLOT_INTERFACE("sssd", FLOPPY_525_SSSD)
+ SLOT_INTERFACE("sd", FLOPPY_525_SD)
+ SLOT_INTERFACE("ssdd", FLOPPY_525_SSDD)
+ SLOT_INTERFACE("dd", FLOPPY_525_DD)
+SLOT_INTERFACE_END
+
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_START( to7, thomson_state )
+
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, to7 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, to7 )
+
+/* cpu */
+ MCFG_CPU_ADD ( "maincpu", M6809, 1000000 )
+ MCFG_CPU_PROGRAM_MAP ( to7)
+
+/* video */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE ( /*50*/ 1./0.019968 )
+ MCFG_SCREEN_SIZE ( THOM_TOTAL_WIDTH * 2, THOM_TOTAL_HEIGHT )
+ MCFG_SCREEN_VISIBLE_AREA ( 0, THOM_TOTAL_WIDTH * 2 - 1,
+ 0, THOM_TOTAL_HEIGHT - 1 )
+ MCFG_SCREEN_UPDATE_DRIVER( thomson_state, screen_update_thom )
+ MCFG_SCREEN_VBLANK_DRIVER( thomson_state, thom_vblank )
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_PALETTE_ADD ( "palette", 4097 ) /* 12-bit color + transparency */
+ MCFG_PALETTE_INIT_OWNER(thomson_state, thom)
+ MCFG_VIDEO_START_OVERRIDE( thomson_state, thom )
+ MCFG_DEFAULT_LAYOUT( layout_thomson )
+
+/* sound */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD ( "buzzer", DAC, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.) /* 1-bit buzzer */
+ MCFG_SOUND_ADD ( "dac", DAC, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.) /* 6-bit game extention DAC */
+ MCFG_SOUND_ADD ( "speech", DAC, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.) /* speech synthesis */
+
+/* cassette */
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(to7_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED)
+
+/* timer */
+ MCFG_DEVICE_ADD("mc6846", MC6846, 0)
+ MCFG_MC6846_OUT_PORT_CB(WRITE8(thomson_state, to7_timer_port_out))
+ MCFG_MC6846_OUT_CP2_CB(WRITE8(thomson_state, to7_timer_cp2_out))
+ MCFG_MC6846_IN_PORT_CB(READ8(thomson_state, to7_timer_port_in))
+ MCFG_MC6846_OUT_CTO_CB(WRITE8(thomson_state, to7_timer_tco_out))
+ MCFG_MC6846_IRQ_CB(WRITELINE(thomson_state, thom_dev_irq_0))
+
+/* speech synthesis */
+ MCFG_DEVICE_ADD("mea8000", MEA8000, 0)
+ MCFG_MEA8000_DAC("speech")
+
+/* floppy */
+ MCFG_DEVICE_ADD("mc6843", MC6843, 0)
+
+ MCFG_WD2793_ADD("wd2793", XTAL_1MHz)
+
+ MCFG_FLOPPY_DRIVE_ADD("wd2793:0", cd90_640_floppies, "dd", thomson_state::cd90_640_formats)
+ MCFG_FLOPPY_DRIVE_ADD("wd2793:1", cd90_640_floppies, "dd", thomson_state::cd90_640_formats)
+
+ MCFG_DEVICE_ADD(FLOPPY_0, LEGACY_FLOPPY, 0)
+ MCFG_DEVICE_CONFIG(thomson_floppy_interface)
+ MCFG_LEGACY_FLOPPY_IDX_CB(WRITELINE(thomson_state, fdc_index_0_w))
+ MCFG_DEVICE_ADD(FLOPPY_1, LEGACY_FLOPPY, 0)
+ MCFG_DEVICE_CONFIG(thomson_floppy_interface)
+ MCFG_LEGACY_FLOPPY_IDX_CB(WRITELINE(thomson_state, fdc_index_1_w))
+ MCFG_DEVICE_ADD(FLOPPY_2, LEGACY_FLOPPY, 0)
+ MCFG_DEVICE_CONFIG(thomson_floppy_interface)
+ MCFG_LEGACY_FLOPPY_IDX_CB(WRITELINE(thomson_state, fdc_index_2_w))
+ MCFG_DEVICE_ADD(FLOPPY_3, LEGACY_FLOPPY, 0)
+ MCFG_DEVICE_CONFIG(thomson_floppy_interface)
+ MCFG_LEGACY_FLOPPY_IDX_CB(WRITELINE(thomson_state, fdc_index_3_w))
+
+/* network */
+ MCFG_DEVICE_ADD( "mc6854", MC6854, 0 )
+ MCFG_MC6854_OUT_FRAME_CB(thomson_state, to7_network_got_frame)
+
+
+/* pia */
+ MCFG_DEVICE_ADD(THOM_PIA_SYS, PIA6821, 0)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to7_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(READ8(thomson_state, to7_sys_portb_in))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to7_sys_portb_out))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(thomson_state, to7_set_cassette_motor))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, to7_sys_cb2_out))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(thomson_state, thom_firq_1))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_firq_1))
+
+ MCFG_DEVICE_ADD(THOM_PIA_GAME, PIA6821, 0)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to7_game_porta_in))
+ MCFG_PIA_READPB_HANDLER(READ8(thomson_state, to7_game_portb_in))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to7_game_portb_out))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, to7_game_cb2_out))
+ MCFG_PIA_IRQA_HANDLER(WRITELINE(thomson_state, thom_irq_1))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_irq_1))
+
+/* TODO: CONVERT THIS TO A SLOT DEVICE (RF 57-932) */
+ MCFG_DEVICE_ADD("acia", MOS6551, 0)
+ MCFG_MOS6551_XTAL(XTAL_1_8432MHz)
+ MCFG_MOS6551_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd))
+
+ /// 2400 7N2
+ MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, NULL)
+ MCFG_RS232_RXD_HANDLER(DEVWRITELINE("acia", mos6551_device, write_rxd))
+ MCFG_RS232_DCD_HANDLER(DEVWRITELINE("acia", mos6551_device, write_dcd))
+ MCFG_RS232_DSR_HANDLER(DEVWRITELINE("acia", mos6551_device, write_dsr))
+ MCFG_RS232_CTS_HANDLER(DEVWRITELINE("acia", mos6551_device, write_cts))
+
+
+/* TODO: CONVERT THIS TO A SLOT DEVICE (CC 90-232) */
+ MCFG_TO7_IO_LINE_ADD("to7_io")
+
+
+/* TODO: CONVERT THIS TO A SLOT DEVICE (MD 90-120) */
+ MCFG_DEVICE_ADD(THOM_PIA_MODEM, PIA6821, 0)
+
+ MCFG_DEVICE_ADD("acia6850", ACIA6850, 0)
+ MCFG_ACIA6850_TXD_HANDLER(WRITELINE(thomson_state, to7_modem_tx_w))
+ MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(thomson_state, to7_modem_cb))
+
+ MCFG_DEVICE_ADD("acia_clock", CLOCK, 1200) /* 1200 bauds, might be divided by 16 */
+ MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(thomson_state, write_acia_clock))
+
+
+/* cartridge */
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "to7_cart")
+ MCFG_GENERIC_EXTENSIONS("m7,rom")
+ MCFG_GENERIC_LOAD(thomson_state, to7_cartridge)
+
+ MCFG_SOFTWARE_LIST_ADD("cart_list","to7_cart")
+
+/* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("40K")
+ MCFG_RAM_EXTRA_OPTIONS("24K,48K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( t9000, to7 )
+MACHINE_CONFIG_END
+
+
+COMP ( 1982, to7, 0, 0, to7, to7, driver_device, 0, "Thomson", "TO7", 0 )
+
+COMP ( 1980, t9000, to7, 0, t9000, t9000, driver_device, 0, "Thomson", "T9000", 0 )
+
+
+/***************************** TO7/70 *********************************
+
+TO7/70 ( 1984)
+------
+
+Enhanced TO7.
+The TO7/70 supports virtually all TO7 software and most TO7 devices and
+extensions (floppy, game, communucation, etc.).
+As the TO7, it is only usable with a cartridge, and most software require
+the BASIC 1.0 cartridge to be present.
+Though, you may also use the more advanced BASIC 128 (-cart basic128.m7):
+it allows BASIC programs to access all the memory and the video capabilities,
+includes its own DOS (no need for a boot disk), but may not be compatible
+with all games.
+
+It has the following modifications:
+
+* chips:
+ - custom logics for video, lightpen, address map has been replaced with an
+ integrated Gate-Array (Motorola MC 1300 ALS)
+
+* memory:
+ - 48 KB user base RAM (16 KB unswitchable + 2 switchable banks of 16 KB)
+ + 64 KB user extended RAM (EM 97-064, as 4 extra 16 KB banks)
+ = 112 KB total user RAM emulated
+ - now 8-bit x 8 K color RAM (instead of 6-bit x 8 K)
+
+* video:
+ - 16-color fixed palette instead of 8-color (but same constraints)
+ - IN 57-001: TV overlay extension, not implemented
+ (black becomes transparent and shows the TV image)
+
+* devices:
+ - lightpen management has changed, it now has 1-pixel horizontal resolution
+ - keyboard management has changed (but the keys are the same)
+
+
+TO7/70 arabic (198?)
+-------------
+
+TO7/70 with an alternate ROM.
+Together with a special (64 KB) BASIC 128 cartridge (-cart basic128a.m7),
+it allows typing in arabic.
+Use Ctrl+W to switch to arabic, and Ctrl+F to switch back to latin.
+In latin mode, Ctrl+U / Ctrl+X to start / stop typing in-line arabic.
+In arabic mode, Ctrl+E / Ctrl+X to start / stop typing in-line latin.
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( to770, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x3fff ) AM_READ_BANK ( THOM_CART_BANK) AM_WRITE(to7_cartridge_w ) /* 4 * 16 KB */
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( THOM_VRAM_BANK) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x6000, 0x9fff ) AM_RAMBANK ( THOM_BASE_BANK ) /* 16 KB */
+ AM_RANGE ( 0xa000, 0xdfff ) AM_RAMBANK ( THOM_RAM_BANK ) /* 6 * 16 KB */
+ AM_RANGE ( 0xe000, 0xe7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xe7c0, 0xe7c7 ) AM_DEVREADWRITE("mc6846", mc6846_device, read, write)
+ AM_RANGE ( 0xe7c8, 0xe7cb ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7cc, 0xe7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7d0, 0xe7df ) AM_READWRITE(to7_floppy_r, to7_floppy_w )
+ AM_RANGE ( 0xe7e0, 0xe7e3 ) AM_DEVREADWRITE( "to7_io:pia_2", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7e4, 0xe7e7 ) AM_READWRITE(to770_gatearray_r, to770_gatearray_w )
+ AM_RANGE ( 0xe7e8, 0xe7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+ AM_RANGE ( 0xe7f2, 0xe7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xe7f8, 0xe7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xe7fe, 0xe7ff ) AM_READWRITE(to7_modem_mea8000_r, to7_modem_mea8000_w )
+ AM_RANGE ( 0xe800, 0xffff ) AM_ROM /* system bios */
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x247ff: 18 KB floppy / network ROM controllers */
+
+/* RAM mapping:
+ 0x00000 - 0x03fff: 16 KB video RAM
+ 0x04000 - 0x07fff: 16 KB unbanked base RAM
+ 0x08000 - 0x1ffff: 6 * 16 KB banked extended RAM
+ */
+
+ADDRESS_MAP_END
+
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( to770 )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "to770.rom", 0xe800, 0x1800, /* BIOS */
+ CRC(89518862)
+ SHA1(cd34474c0bcc758f6d71c90fbd40cef379d61374) )
+ ROM_FLOPPY7 ( 0x20000 )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+ROM_START ( to770a )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "to770a.rom", 0xe800, 0x1800,
+ CRC(378ea808)
+ SHA1(f4575b537dfdb46ff2a0e7cbe8dfe4ba63161b8e) )
+ ROM_FLOPPY7 ( 0x20000 )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( to770 )
+ PORT_INCLUDE ( to7 )
+
+ PORT_MODIFY ( "keyboard.1" )
+ KEY ( 2, "C \302\250 \303\247", C ) PORT_CHAR('C')
+ PORT_MODIFY ( "keyboard.4" )
+ KEY ( 6, "0 \140 \303\240", 0 ) PORT_CHAR('0') PORT_CHAR( 0140 )
+ PORT_MODIFY ( "keyboard.5" )
+ KEY ( 6, "9 ) \303\247", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_MODIFY ( "keyboard.6" )
+ KEY ( 6, "8 ( \303\271", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_MODIFY ( "keyboard.7" )
+ KEY ( 6, "7 ' \303\250 \302\264", 7 ) PORT_CHAR('7') PORT_CHAR('\'')
+ KEY ( 7, "6 & \303\251", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+
+INPUT_PORTS_END
+
+/* arabic version (QWERTY keyboard) */
+static INPUT_PORTS_START ( to770a )
+ PORT_INCLUDE ( to770 )
+
+ PORT_MODIFY ( "keyboard.1" )
+ KEY ( 0, "Z", Z ) PORT_CHAR('Z')
+ PORT_MODIFY ( "keyboard.2" )
+ KEY ( 3, "A", A ) PORT_CHAR('A')
+ KEY ( 4, "/ ?", QUOTE ) PORT_CHAR('/') PORT_CHAR('?')
+ KEY ( 5, "Q", Q ) PORT_CHAR('Q')
+ PORT_MODIFY ( "keyboard.3" )
+ KEY ( 4, "* :", SLASH ) PORT_CHAR('*') PORT_CHAR(':')
+ KEY ( 5, "W", W) PORT_CHAR('W')
+ PORT_MODIFY ( "keyboard.4" )
+ KEY ( 0, ". >", STOP ) PORT_CHAR('.') PORT_CHAR('>')
+ KEY ( 2, "@ \342\206\221", TILDE ) PORT_CHAR('@') PORT_CHAR('^')
+ KEY ( 6, "0 \302\243 \302\260 \140", 0 ) PORT_CHAR('0') PORT_CHAR( 0140 )
+ PORT_MODIFY ( "keyboard.5" )
+ KEY ( 0, ", <", COMMA ) PORT_CHAR(',') PORT_CHAR('<')
+ KEY ( 6, "9 ) \303\261", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_MODIFY ( "keyboard.6" )
+ KEY ( 0, "M", M ) PORT_CHAR('M')
+ KEY ( 6, "8 ( \303\274", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_MODIFY ( "keyboard.7" )
+ KEY ( 6, "7 ' \303\266 \302\264", 7 ) PORT_CHAR('7') PORT_CHAR('\'')
+ KEY ( 7, "6 & \303\244", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+
+INPUT_PORTS_END
+
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( to770, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, to770 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, to770 )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( to770)
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to770_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(NULL)
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to770_sys_portb_out))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, to770_sys_cb2_out))
+
+ MCFG_DEVICE_MODIFY("mc6846")
+ MCFG_MC6846_OUT_PORT_CB(WRITE8(thomson_state, to770_timer_port_out))
+
+ MCFG_DEVICE_REMOVE("cartslot")
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "to770_cart")
+ MCFG_GENERIC_EXTENSIONS("m7,rom")
+ MCFG_GENERIC_LOAD(thomson_state, to7_cartridge)
+
+ MCFG_DEVICE_REMOVE("cart_list")
+ MCFG_SOFTWARE_LIST_ADD("cart_list","to770_cart")
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+ MCFG_RAM_EXTRA_OPTIONS("64K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( to770a, to770 )
+MACHINE_CONFIG_END
+
+COMP ( 1984, to770, 0, 0, to770, to770, driver_device, 0, "Thomson", "TO7/70", 0 )
+
+COMP ( 1984, to770a, to770, 0, to770a, to770a, driver_device, 0, "Thomson", "TO7/70 (Arabic)", 0 )
+
+
+/************************* MO5 / MO5E *********************************
+
+MO5 (1984)
+---
+
+The MO5 is Thomson's attempt to provide a less costly micro-computer, using
+the same technology as the TO7/70.
+It has less memory and is less expandable. The MC6846 timer has disappeared.
+The BIOS has been throughly rewritten and uses a more compact call scheme.
+This, and the fact that the address map has changed, makes the MO5 completely
+TO7 software incompatible (except for pure BASIC programs).
+Moreover, the MO5 has incompatible cassette and cartridge formats.
+Unlike the TO7, the BASIC 1.0 is integrated and the MO5 can be used "as-is".
+
+* chips:
+ - 1 MHz Motorola 6809E CPU
+ - 1 Motorola 6821 PIA (+3 for I/O, game, and modem extensions)
+ - Motorola 1300 ALS Gate-Array
+
+* memory:
+ - 32 KB base user RAM
+ - 64 KB extended user RAM (4 x 16 KB banks) with the network extension
+ (no available to BASIC programs)
+ - 16 KB combined BASIC and BIOS ROM
+ - 8 KB color RAM + 8 KB point RAM, bank switched
+ - 2 to 8 KB floppy ROM comes with the floppy drive / network extension
+
+* video:
+ - as the TO7/70 but with different color encoding,
+ 320x200 pixels with color constraints, 16-color fixed palette
+ - IN 57-001: TV overlay extension (not implemented)
+
+* devices:
+ - AZERTY keyboard, 58-keys, slightlty different from the TO7
+ . the right SHIFT key has been replaced with a BASIC key
+ . no caps-lock led
+ - the famous lightpen is optional
+ - cassette 1200 bauds (frequency signals: 0=4.5kHz, 1=6.3kHz),
+ TO7-incompatible
+ - optional cartridge, up to 64 KB, incompatible with TO7,
+ masks the integrated BASIC ROM
+ - game & music, I/O, floppy, network extensions: identical to TO7
+ - speech synthesis extension: identical to TO7
+ - MIDIPAK MIDI extension: identical to TO7
+
+MO5E (1986)
+----
+
+This is a special MO5 version for the export market (mainly Germany).
+Although coming in a different (nicer) case, it is internally similar to
+the MO5 and is fully compatible.
+Differences include:
+ - much better keyboard; some are QWERTY instead of AZERTY (we emulate QWERTY)
+ - a different BIOS and integrated BASIC
+ - the game extension is integrated
+
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( mo5, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x1fff ) AM_READ_BANK ( THOM_VRAM_BANK ) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x2000, 0x9fff ) AM_RAMBANK ( THOM_BASE_BANK )
+ AM_RANGE ( 0xa000, 0xa7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xa7c0, 0xa7c3 ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xa7cb, 0xa7cb ) AM_WRITE(mo5_ext_w )
+ AM_RANGE ( 0xa7cc, 0xa7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xa7d0, 0xa7df ) AM_READWRITE(to7_floppy_r, to7_floppy_w )
+ AM_RANGE ( 0xa7e0, 0xa7e3 ) AM_DEVREADWRITE( "to7_io:pia_2", pia6821_device, read_alt, write_alt )
+ AM_RANGE ( 0xa7e4, 0xa7e7 ) AM_READWRITE(mo5_gatearray_r, mo5_gatearray_w )
+ AM_RANGE ( 0xa7e8, 0xa7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+ AM_RANGE ( 0xa7f2, 0xa7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xa7fe, 0xa7ff ) AM_DEVREADWRITE("mea8000", mea8000_device, read, write)
+ AM_RANGE ( 0xb000, 0xefff ) AM_READ_BANK ( THOM_CART_BANK) AM_WRITE(mo5_cartridge_w )
+ AM_RANGE ( 0xf000, 0xffff ) AM_ROM /* system bios */
+
+/* 0x10000 - 0x1ffff: 16 KB integrated BASIC / 64 KB external cartridge */
+/* 0x20000 - 0x247ff: 18 KB floppy / network ROM controllers */
+
+/* RAM mapping:
+ 0x00000 - 0x03fff: 16 KB video RAM
+ 0x04000 - 0x0bfff: 32 KB unbanked base RAM
+ 0x0c000 - 0x1bfff: 4 * 16 KB bank extended RAM
+ */
+
+ADDRESS_MAP_END
+
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( mo5 )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "mo5.rom", 0xf000, 0x1000,
+ CRC(f0ea9140)
+ SHA1(36ce2d3df1866ec2fe368c1c28757e2f5401cf44) )
+ ROM_LOAD ( "basic5.rom", 0x11000, 0x3000,
+ CRC(c2c11b9d)
+ SHA1(512dd40fb45bc2b51a24c84b3723a32bc8e80c06) )
+ ROM_FLOPPY5 ( 0x20000 )
+ROM_END
+
+ROM_START ( mo5e )
+ ROM_REGION ( 0x24800, "maincpu", 0 )
+ ROM_LOAD ( "mo5e.rom", 0xf000, 0x1000,
+ CRC(6520213a)
+ SHA1(f17a7a59baf2819ec80991b34b204795536a5e01) )
+ ROM_LOAD ( "basic5e.rom", 0x11000, 0x3000,
+ CRC(934a72b2)
+ SHA1(b37e2b1afbfba368c19be87b3bf61dfe6ad8b0bb) )
+ ROM_FLOPPY5 ( 0x20000 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( mo5 )
+ PORT_INCLUDE ( to770 )
+
+ PORT_MODIFY ( "keyboard.0" )
+ KEY ( 1, "BASIC", RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
+ PORT_BIT ( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )
+
+INPUT_PORTS_END
+
+/* QWERTY version */
+static INPUT_PORTS_START ( mo5e )
+ PORT_INCLUDE ( mo5 )
+
+ PORT_MODIFY ( "keyboard.1" )
+ KEY ( 0, "Z", Z ) PORT_CHAR('Z')
+ PORT_MODIFY ( "keyboard.2" )
+ KEY ( 3, "A", A ) PORT_CHAR('A')
+ KEY ( 5, "Q", Q ) PORT_CHAR('Q')
+ PORT_MODIFY ( "keyboard.3" )
+ KEY ( 5, "W", W) PORT_CHAR('W')
+ PORT_MODIFY ( "keyboard.4" )
+ KEY ( 0, ". >", STOP ) PORT_CHAR('.') PORT_CHAR('>')
+ KEY ( 2, "@ \342\206\221", TILDE ) PORT_CHAR('@') PORT_CHAR('^')
+ KEY ( 6, "0 \302\243 \302\260 \140", 0 ) PORT_CHAR('0') PORT_CHAR( 0140 )
+ PORT_MODIFY ( "keyboard.5" )
+ KEY ( 0, ", <", COMMA ) PORT_CHAR(',') PORT_CHAR('<')
+ KEY ( 6, "9 ) \303\261", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_MODIFY ( "keyboard.6" )
+ KEY ( 0, "M", M ) PORT_CHAR('M')
+ KEY ( 6, "8 ( \303\274", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_MODIFY ( "keyboard.7" )
+ KEY ( 6, "7 ' \303\266 \302\264", 7 ) PORT_CHAR('7') PORT_CHAR('\'')
+ KEY ( 7, "6 & \303\244", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+
+INPUT_PORTS_END
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( mo5, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, mo5 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, mo5 )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( mo5)
+
+ MCFG_CASSETTE_MODIFY( "cassette" )
+ MCFG_CASSETTE_FORMATS(mo5_cassette_formats)
+
+ MCFG_DEVICE_REMOVE( "mc6846" )
+
+ MCFG_PALETTE_MODIFY( "palette" )
+ MCFG_PALETTE_INIT_OWNER(thomson_state, mo5)
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, mo5_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(READ8(thomson_state, mo5_sys_portb_in))
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, mo5_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, mo5_sys_portb_out))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(thomson_state, mo5_set_cassette_motor))
+ MCFG_PIA_CB2_HANDLER(NULL)
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_irq_1)) /* WARNING: differs from TO7 ! */
+
+ MCFG_DEVICE_REMOVE("cartslot")
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "mo5_cart")
+ MCFG_GENERIC_EXTENSIONS("m5,rom")
+ MCFG_GENERIC_LOAD(thomson_state, mo5_cartridge)
+
+ MCFG_DEVICE_REMOVE("cart_list")
+ MCFG_SOFTWARE_LIST_ADD("cart_list","mo5_cart")
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("112K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mo5e, mo5 )
+MACHINE_CONFIG_END
+
+
+COMP ( 1984, mo5, 0, 0, mo5, mo5, driver_device, 0, "Thomson", "MO5", 0 )
+
+COMP ( 1986, mo5e, mo5, 0, mo5e, mo5e, driver_device, 0, "Thomson", "MO5E", 0 )
+
+
+/********************************* TO9 *******************************
+
+TO9 (1985)
+---
+
+The TO9 is the successor of the TO7/70.
+It is a high-end product: it integrates 96 KB of base RAM, 128 KB of
+software in ROM, a floppy drive. It has improved graphics capabilities
+(several video modes, a palette of 4096 colors, thanks to the use of
+a dedicated video gate-array).
+The ROM contains the old BASIC 1.0 for compatibility and the newer BASIC 128.
+It has a more professional, desktop look, with a separate keyboard, and an
+optional mouse.
+It is also quite compatible with the TO7 and TO7/70 (but not the MO5).
+However, it also has many problems. The integrated BASIC 128 can only access
+128 KB of memory, which forces the 64 KB extension to be managed as a virtual
+disk. The early versions of the software ROM has many bugs. The integrated
+floppy drive is one-sided.
+It was replaced quickly with the improved TO9+.
+
+* chips:
+ - 1 MHz Motorola 6809E CPU
+ - 1 Motorola 6821 PIA (+2 for game, modem extensions)
+ - 1 Motorola 6846 timer, PIA
+ - 1 Motorola 6805 + 1 Motorola 6850 (keyboard & mouse control)
+ - 1 Western Digital 2793 (disk controller)
+ - 3 gate-arrays (address decoding, system, video)
+
+* memory:
+ - 112 KB base RAM
+ - 64 KB extension RAM (as virtual disk)
+ - 6 KB BIOS ROM + 2 KB floppy BIOS
+ - 128 KB software ROM (BASIC 1, BASIC 128, extended BIOS,
+ DOS and configuration GUI, two software: "Paragraphe" and
+ "Fiches et dossiers")
+ - 16 KB video RAM
+
+* video:
+ - 8 video modes:
+ o 320x200, 16 colors with constraints (TO7/70 compatible)
+ o 320x200, 4 colors without constraints
+ o 160x200, 16 colors without constraints
+ o 640x200, 2 colors
+ o 320x200, 2 colors, two pages
+ . page one
+ . page two
+ . pages overlaid
+ o 160x200, 2 colors, four pages overlaid
+ - palette: 16 colors can be chosen among 4096
+
+* devices:
+ - AZERTY keyboard, 81-keys, French with accents, keypad & function keys
+ - cartridge, up to 64 KB, TO7 compatible
+ - two-button mouse connected to the keyboard (not working yet)
+ - lightpen, with 1-pixel vertical and horizontal resolution
+ - 1-bit internal buzzer
+ - cassette 900 bauds, TO7 compatible
+ - integrated parallel CENTRONICS (printer emulated)
+ - SX 90-018: game extension (identical to the TO7)
+ - RF 57-932: RS232 extension (identical to the TO7)
+ - MD 90-120: MODEM extension (identical to the TO7)
+ - IEEE extension ? (unemulated)
+ - floppy:
+ . integrated floppy controller, based on WD2793
+ . integrated one-sided double-density 3''1/2
+ . external two-sided double-density 3''1/2, 5''1/4 or QDD (extension)
+ . floppies are TO7 and MO5 compatible
+ - speech synthesis extension: identical to TO7
+ - MIDIPAK MIDI extension: identical to TO7
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( to9, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x3fff ) AM_READ_BANK ( THOM_CART_BANK ) AM_WRITE(to9_cartridge_w )/* 4 * 16 KB */
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( THOM_VRAM_BANK ) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x6000, 0x9fff ) AM_RAMBANK ( THOM_BASE_BANK ) /* 16 KB */
+ AM_RANGE ( 0xa000, 0xdfff ) AM_RAMBANK ( THOM_RAM_BANK ) /* 10 * 16 KB */
+ AM_RANGE ( 0xe000, 0xe7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xe7c0, 0xe7c7 ) AM_DEVREADWRITE("mc6846", mc6846_device, read, write)
+ AM_RANGE ( 0xe7c8, 0xe7cb ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7cc, 0xe7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7d0, 0xe7d9 ) AM_READWRITE(to9_floppy_r, to9_floppy_w )
+ AM_RANGE ( 0xe7da, 0xe7dd ) AM_READWRITE(to9_vreg_r, to9_vreg_w )
+ AM_RANGE ( 0xe7de, 0xe7df ) AM_READWRITE(to9_kbd_r, to9_kbd_w )
+ AM_RANGE ( 0xe7e4, 0xe7e7 ) AM_READWRITE(to9_gatearray_r, to9_gatearray_w )
+ AM_RANGE ( 0xe7e8, 0xe7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+/* AM_RANGE ( 0xe7f0, 0xe7f7 ) AM_READWRITE(to9_ieee_r, to9_ieee_w ) */
+ AM_RANGE ( 0xe7f2, 0xe7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xe7f8, 0xe7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7fe, 0xe7ff ) AM_READWRITE(to7_modem_mea8000_r, to7_modem_mea8000_w )
+ AM_RANGE ( 0xe800, 0xffff ) AM_ROM /* system bios */
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x3ffff: 128 KB internal software ROM */
+/* 0x40000 - 0x447ff: 18 KB external floppy / network ROM controllers */
+
+/* RAM mapping:
+ 0x00000 - 0x03fff: 16 KB video RAM
+ 0x04000 - 0x07fff: 16 KB unbanked base RAM
+ 0x08000 - 0x2ffff: 10 * 16 KB banked extended RAM
+ */
+
+ADDRESS_MAP_END
+
+
+
+/* ------------ ROMS ------------ */
+
+/* NOT WORKING
+ these bios seem heavily patched (probably to work with specific emulators
+ that trap some bios calls)
+ */
+
+ROM_START ( to9 )
+ ROM_REGION ( 0x44800, "maincpu", 0 )
+ ROM_LOAD ( "to9.rom", 0xe000, 0x2000, /* BIOS & floppy controller */
+ CRC(f9278bf7)
+ SHA1(9e99e6ae0285950f007b19161de642a4031fe46e) )
+
+ /* BASIC & software */
+ ROM_LOAD ( "basic9-0.rom", 0x20000, 0x4000,
+ CRC(c7bac620)
+ SHA1(4b2a8b30cf437858ce978ba7b0dfa2bbd57eb38a) )
+ ROM_LOAD ( "basic9-1.rom", 0x24000, 0x4000,
+ CRC(ea5f3e43)
+ SHA1(5e58a29c2d117fcdb1f5e7ca31dbfffa0f9218f2) )
+ ROM_LOAD ( "basic9-2.rom", 0x28000, 0x4000,
+ CRC(0f5581b3)
+ SHA1(93815ca78d3532192aaa56cbf65b68b0f10f1b8a) )
+ ROM_LOAD ( "basic9-3.rom", 0x2c000, 0x4000,
+ CRC(6b5b19e3)
+ SHA1(0e832670c185694d9abbcebcc3ad90e94eed585d) )
+ ROM_LOAD ( "soft9-0a.rom", 0x30000, 0x4000,
+ CRC(8cee157e)
+ SHA1(f32fc39b95890c00571e9f3fbcc2d8e0596fc4a1) )
+ ROM_LOAD ( "soft9-1a.rom", 0x34000, 0x4000,
+ CRC(cf39ac93)
+ SHA1(b97e6b7389398e5706624973c11ee7ddba323ce1) )
+ ROM_LOAD ( "soft9-0b.rom", 0x38000, 0x4000,
+ CRC(033aee3f)
+ SHA1(f3604e500329ec0489b05dbab05530322e9463c5) )
+ ROM_LOAD ( "soft9-1b.rom", 0x3c000, 0x4000,
+ CRC(214fe527)
+ SHA1(0d8e3f1ca347026e906c3d00a0371e8238c44a60) )
+
+ ROM_FLOPPY7( 0x40000 )
+
+ ROM_FILL( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( to9_keyboard )
+ PORT_START ( "keyboard.0" )
+ KEY ( 0, "F2 F7", F2 ) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ KEY ( 1, "_ 6", 6 ) PORT_CHAR('_') PORT_CHAR('6')
+ KEY ( 2, "Y", Y ) PORT_CHAR('Y')
+ KEY ( 3, "H \302\250", H ) PORT_CHAR('H')
+ KEY ( 4, UTF8_UP, UP ) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ KEY ( 5, UTF8_RIGHT, RIGHT ) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ KEY ( 6, "Home Clear", HOME ) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ KEY ( 7, "N", N ) PORT_CHAR('N')
+ PORT_START ( "keyboard.1" )
+ KEY ( 0, "F3 F8", F3 ) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ KEY ( 1, "( 5", 5 ) PORT_CHAR('(') PORT_CHAR('5')
+ KEY ( 2, "T", T ) PORT_CHAR('T')
+ KEY ( 3, "G", G ) PORT_CHAR('G')
+ KEY ( 4, "= +", EQUALS ) PORT_CHAR('=') PORT_CHAR('+')
+ KEY ( 5, UTF8_LEFT, LEFT ) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ KEY ( 6, "Insert", INSERT ) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ KEY ( 7, "B \302\264", B ) PORT_CHAR('B')
+ PORT_START ( "keyboard.2" )
+ KEY ( 0, "F4 F9", F4 ) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CHAR(UCHAR_MAMEKEY(F9))
+ KEY ( 1, "' 4", 4 ) PORT_CHAR('\'') PORT_CHAR('4')
+ KEY ( 2, "R", R ) PORT_CHAR('R')
+ KEY ( 3, "F", F ) PORT_CHAR('F')
+ KEY ( 4, "Accent", END ) PORT_CHAR(UCHAR_MAMEKEY(END))
+ KEY ( 5, "Keypad 1", 1_PAD ) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ KEY ( 6, "Delete Backspace", DEL ) PORT_CHAR(8) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE))
+ KEY ( 7, "V", V ) PORT_CHAR('V')
+ PORT_START ( "keyboard.3" )
+ KEY ( 0, "F5 F10", F5 ) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CHAR(UCHAR_MAMEKEY(F10))
+ KEY ( 1, "\" 3", 3 ) PORT_CHAR('"') PORT_CHAR('3')
+ KEY ( 2, "E", E ) PORT_CHAR('E')
+ KEY ( 3, "D", D ) PORT_CHAR('D')
+ KEY ( 4, "Keypad 7", 7_PAD ) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+ KEY ( 5, "Keypad 4", 4_PAD ) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+ KEY ( 6, "Keypad 0", 0_PAD ) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ KEY ( 7, "C \136", C ) PORT_CHAR('C')
+ PORT_START ( "keyboard.4" )
+ KEY ( 0, "F1 F6", F1 ) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ KEY ( 1, "\303\251 2", 2 ) PORT_CHAR( 0xe9 ) PORT_CHAR('2')
+ KEY ( 2, "Z", Z ) PORT_CHAR('Z')
+ KEY ( 3, "S", S ) PORT_CHAR('S')
+ KEY ( 4, "Keypad 8", 8_PAD ) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ KEY ( 5, "Keypad 2", 2_PAD ) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+ KEY ( 6, "Keypad .", DEL_PAD ) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
+ KEY ( 7, "X", X ) PORT_CHAR('X')
+ PORT_START ( "keyboard.5" )
+ KEY ( 0, "# @", TILDE ) PORT_CHAR('#') PORT_CHAR('@')
+ KEY ( 1, "* 1", 1 ) PORT_CHAR('*') PORT_CHAR('1')
+ KEY ( 2, "A \140", A ) PORT_CHAR('A')
+ KEY ( 3, "Q", Q ) PORT_CHAR('Q')
+ KEY ( 4, "[ {", QUOTE ) PORT_CHAR('[') PORT_CHAR('{')
+ KEY ( 5, "Keypad 5", 5_PAD ) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+ KEY ( 6, "Keypad 6", 6_PAD ) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+ KEY ( 7, "W", W ) PORT_CHAR('W')
+ PORT_START ( "keyboard.6" )
+ KEY ( 0, "Stop", TAB ) PORT_CHAR(27)
+ KEY ( 1, "\303\250 7", 7 ) PORT_CHAR( 0xe8 ) PORT_CHAR('7')
+ KEY ( 2, "U", U ) PORT_CHAR('U')
+ KEY ( 3, "J", J ) PORT_CHAR('J')
+ KEY ( 4, "Space", SPACE ) PORT_CHAR(' ')
+ KEY ( 5, "Keypad 9", 9_PAD ) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ KEY ( 6, "Keypad Enter", ENTER_PAD ) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
+ KEY ( 7, ", ?", COMMA ) PORT_CHAR(',') PORT_CHAR('?')
+ PORT_START ( "keyboard.7" )
+ KEY ( 0, "Control", LCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ KEY ( 1, "! 8", 8 ) PORT_CHAR('!') PORT_CHAR('8')
+ KEY ( 2, "I", I ) PORT_CHAR('I')
+ KEY ( 3, "K", K ) PORT_CHAR('K')
+ KEY ( 4, "$ &", CLOSEBRACE ) PORT_CHAR('$') PORT_CHAR('&')
+ KEY ( 5, UTF8_DOWN, DOWN ) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ KEY ( 6, "] }", BACKSLASH ) PORT_CHAR(']') PORT_CHAR('}')
+ KEY ( 7, "; .", STOP ) PORT_CHAR(';') PORT_CHAR('.')
+ PORT_START ( "keyboard.8" )
+ KEY ( 0, "Caps-Lock", CAPSLOCK ) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ KEY ( 1, "\303\247 9", 9 ) PORT_CHAR( 0xe7 ) PORT_CHAR('9')
+ KEY ( 2, "O", O ) PORT_CHAR('O')
+ KEY ( 3, "L", L ) PORT_CHAR('L')
+ KEY ( 4, "- \\", BACKSPACE ) PORT_CHAR('-') PORT_CHAR('\\')
+ KEY ( 5, "\303\271 %", COLON ) PORT_CHAR( 0xf9 ) PORT_CHAR('%')
+ KEY ( 6, "Enter", ENTER ) PORT_CHAR(13)
+ KEY ( 7, ": /", SLASH ) PORT_CHAR(':') PORT_CHAR('/')
+ PORT_START ( "keyboard.9" )
+ KEY ( 0, "Shift", LSHIFT ) PORT_CODE ( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1)
+ KEY ( 1, "\303\240 0", 0 ) PORT_CHAR( 0xe0 ) PORT_CHAR('0')
+ KEY ( 2, "P", P ) PORT_CHAR('P')
+ KEY ( 3, "M", M ) PORT_CHAR('M')
+ KEY ( 4, ") \302\260", MINUS ) PORT_CHAR(')') PORT_CHAR( 0xb0 )
+ KEY ( 5, "\342\206\221 \302\250", OPENBRACE ) PORT_CHAR('^') PORT_CHAR( 0xa8 )
+ KEY ( 6, "Keypad 3", 3_PAD ) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ KEY ( 7, "> <", BACKSLASH2 ) PORT_CHAR('>') PORT_CHAR('<')
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to9_fconfig )
+ PORT_START ( "fconfig" )
+
+ PORT_CONFNAME ( 0x07, 0x00, "External floppy (reset)" )
+ PORT_CONFSETTING ( 0x00, "No external" )
+ PORT_CONFSETTING ( 0x01, "CD 90-015 (5\"1/4 SD)" )
+ PORT_CONFSETTING ( 0x02, "CD 90-640 (5\"1/4 DD)" )
+ PORT_CONFSETTING ( 0x03, "CD 90-351 (3\"1/2)" )
+ PORT_CONFSETTING ( 0x04, "CQ 90-028 (2\"8 QDD)" )
+ PORT_CONFSETTING ( 0x05, "Network" )
+
+ PORT_CONFNAME ( 0xf8, 0x08, "Network ID" )
+ PORT_CONFSETTING ( 0x00, "0 (Master)" )
+ PORT_CONFSETTING ( 0x08, "1" )
+ PORT_CONFSETTING ( 0x10, "2" )
+ PORT_CONFSETTING ( 0x18, "3" )
+ PORT_CONFSETTING ( 0x20, "4" )
+ PORT_CONFSETTING ( 0x28, "5" )
+ PORT_CONFSETTING ( 0x30, "6" )
+ PORT_CONFSETTING ( 0x38, "7" )
+ PORT_CONFSETTING ( 0x40, "8" )
+ PORT_CONFSETTING ( 0x48, "9" )
+ PORT_CONFSETTING ( 0x50, "10" )
+ PORT_CONFSETTING ( 0x58, "11" )
+ PORT_CONFSETTING ( 0x60, "12" )
+ PORT_CONFSETTING ( 0x68, "13" )
+ PORT_CONFSETTING ( 0x70, "14" )
+ PORT_CONFSETTING ( 0x78, "15" )
+ PORT_CONFSETTING ( 0x80, "16" )
+ PORT_CONFSETTING ( 0x88, "17" )
+ PORT_CONFSETTING ( 0x90, "18" )
+ PORT_CONFSETTING ( 0x98, "19" )
+ PORT_CONFSETTING ( 0xa0, "20" )
+ PORT_CONFSETTING ( 0xa8, "21" )
+ PORT_CONFSETTING ( 0xb0, "22" )
+ PORT_CONFSETTING ( 0xb8, "23" )
+ PORT_CONFSETTING ( 0xc0, "24" )
+ PORT_CONFSETTING ( 0xc8, "25" )
+ PORT_CONFSETTING ( 0xd0, "26" )
+ PORT_CONFSETTING ( 0xd8, "27" )
+ PORT_CONFSETTING ( 0xe0, "28" )
+ PORT_CONFSETTING ( 0xe8, "29" )
+ PORT_CONFSETTING ( 0xf0, "30" )
+ PORT_CONFSETTING ( 0xf8, "31" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( to9 )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( to9_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to9_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+ PORT_INCLUDE ( to7_mconfig )
+INPUT_PORTS_END
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( to9, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, to9 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, to9 )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( to9)
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to9_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(NULL)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, to9_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to9_sys_portb_out))
+ MCFG_PIA_CB2_HANDLER(NULL)
+ MCFG_PIA_IRQA_HANDLER(NULL)
+
+ MCFG_DEVICE_MODIFY("mc6846")
+ MCFG_MC6846_OUT_PORT_CB(WRITE8(thomson_state, to9_timer_port_out))
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(thomson_state, write_centronics_busy))
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("192K")
+ MCFG_RAM_EXTRA_OPTIONS("128K")
+MACHINE_CONFIG_END
+
+
+COMP ( 1985, to9, 0, 0, to9, to9, driver_device, 0, "Thomson", "TO9", MACHINE_IMPERFECT_COLORS )
+
+
+/******************************** TO8 ********************************
+
+TO8 (1986)
+---
+
+The TO8 was meant to replace the TO7/70 as a home-computer.
+It includes and improves on the technology from the TO9 (improved video,
+256 KB of RAM fully managed by the new BASIC 512, more integrated gate-array).
+It has a more compact Amiga-like look, no separate keyboard, no integrated
+floppy drive (although the controller is integrated), no software in ROM,
+less extension slots. Also, the game & music extension is now integrated.
+It is quite compatible with the TO7 and TO7/70, and with the TO9 to some
+extent.
+The TO8 was quite popular and became the de-facto gamming computer in the
+Thomson family.
+
+* chips:
+ - 1 MHz Motorola 6809E CPU
+ - 2 Motorola 6821 PIAs (system, game, +1 in modem extension)
+ - 1 Motorola 6846 timer, PIA
+ - 1 Motorola 6804 (keyboard)
+ - 2 gate-arrays (system & video, floppy controller)
+
+* memory:
+ - 256 KB base RAM
+ + 256 KB extended RAM (EM 88-256) = 512 KB total RAM emulated
+ - 16 KB BIOS ROM
+ - 64 KB software ROM (BASIC 1, BASIC 512, extended BIOS)
+ - unified memory view via improved bank switching
+
+* video:
+ improved wrt TO9: a 9-th video mode, 4 video pages (shared with main RAM)
+ border color has its 4-th index bit inverted
+
+* devices:
+ - same keyboard as T09: AZERTY 81-keys
+ (but no 6850 controller, the 6804 is directly connected to the 6821 & 6846)
+ - cartridge, up to 64 KB, TO7 compatible
+ - two-button serial mouse (TO9-incompatible)
+ - lightpen, with 1-pixel vertical and horizontal resolution
+ - two 8-position 2-button game pads (SX 90-018 extension integrated)
+ - 6-bit DAC sound (NOTE: 1-bit buzzer is gone)
+ - cassette 900 bauds, TO7 compatible
+ - integrated parallel CENTRONICS (printer emulated)
+ - RF 57-932: RS232 extension (identical to the TO7)
+ - MD 90-120: MODEM extension (identical to the TO7?)
+ - IEEE extension ?
+ - floppy:
+ . integrated floppy controller, based on custom Thomson gate-array
+ . no integrated drive
+ . up to two external two-sided double-density 3"1/2, 5"1/4 or QDD drives
+ . floppies are TO7 and MO5 compatible
+ - speech synthesis extension: identical to TO7
+ - MIDIPAK MIDI extension: identical to TO7
+
+TO8D (1987)
+----
+
+The TO8D is simply a TO8 with an integrated 3"1/2 floppy drive.
+
+**********************************************************************/
+
+
+static ADDRESS_MAP_START ( to8, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x3fff ) AM_READ_BANK ( THOM_CART_BANK) AM_WRITE(to8_cartridge_w ) /* 4 * 16 KB */
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( THOM_VRAM_BANK) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x6000, 0x7fff ) AM_READ_BANK ( TO8_SYS_LO) AM_WRITE(to8_sys_lo_w )
+ AM_RANGE ( 0x8000, 0x9fff ) AM_READ_BANK ( TO8_SYS_HI) AM_WRITE(to8_sys_hi_w )
+ AM_RANGE ( 0xa000, 0xbfff ) AM_READ_BANK ( TO8_DATA_LO) AM_WRITE(to8_data_lo_w )
+ AM_RANGE ( 0xc000, 0xdfff ) AM_READ_BANK ( TO8_DATA_HI) AM_WRITE(to8_data_hi_w )
+ AM_RANGE ( 0xe000, 0xe7bf ) AM_ROMBANK ( THOM_FLOP_BANK ) /* 2 * 2 KB */
+ AM_RANGE ( 0xe7c0, 0xe7c7 ) AM_DEVREADWRITE("mc6846", mc6846_device, read, write)
+ AM_RANGE ( 0xe7c8, 0xe7cb ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7cc, 0xe7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7d0, 0xe7d9 ) AM_READWRITE(to8_floppy_r, to8_floppy_w )
+ AM_RANGE ( 0xe7da, 0xe7dd ) AM_READWRITE(to8_vreg_r, to8_vreg_w )
+ AM_RANGE ( 0xe7e4, 0xe7e7 ) AM_READWRITE(to8_gatearray_r, to8_gatearray_w )
+ AM_RANGE ( 0xe7e8, 0xe7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+/* AM_RANGE ( 0xe7f0, 0xe7f7 ) AM_READWRITE(to9_ieee_r, to9_ieee_w ) */
+ AM_RANGE ( 0xe7f2, 0xe7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xe7f8, 0xe7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7fe, 0xe7ff ) AM_READWRITE(to7_modem_mea8000_r, to7_modem_mea8000_w )
+ AM_RANGE ( 0xe800, 0xffff ) AM_ROMBANK ( TO8_BIOS_BANK ) /* 2 * 6 KB */
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x2ffff: 64 KB internal software ROM */
+/* 0x30000 - 0x33fff: 16 KB BIOS ROM */
+/* 0x34000 - 0x387ff: 18 KB external floppy / network ROM controllers */
+
+/* RAM mapping: 512 KB flat (including video) */
+
+ADDRESS_MAP_END
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( to8 )
+ ROM_REGION ( 0x38800, "maincpu", 0 )
+
+ /* BIOS & floppy */
+ ROM_LOAD ( "to8-0.rom", 0x30000, 0x2000,
+ CRC(3c4a640a)
+ SHA1(0a4952f0ca002d82ac83755e1f694d56399413b2) )
+ ROM_LOAD ( "to8-1.rom", 0x32000, 0x2000,
+ CRC(cb9bae2d)
+ SHA1(a4a55a6e2c74bca15951158c5164970e922fc1c1) )
+
+ /* BASIC */
+ ROM_LOAD ( "basic8-0.rom", 0x20000, 0x4000,
+ CRC(e5a00fb3)
+ SHA1(281e535ed9b0f76e620253e9103292b8ff623d02) )
+ ROM_LOAD ( "basic8-1.rom", 0x24000, 0x4000,
+ CRC(4b241e63)
+ SHA1(ca8941a10db6cc069bf84c773f5e7d7d2c18449e) )
+ ROM_LOAD ( "basic8-2.rom", 0x28000, 0x4000,
+ CRC(0f5581b3)
+ SHA1(93815ca78d3532192aaa56cbf65b68b0f10f1b8a) )
+ ROM_LOAD ( "basic8-3.rom", 0x2c000, 0x4000,
+ CRC(f552e7e3)
+ SHA1(3208e0d7d90241a327ed24e4921303f16e167bd5) )
+
+ ROM_FLOPPY7( 0x34000 )
+
+ ROM_FILL( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+ROM_START ( to8d )
+ ROM_REGION ( 0x38800, "maincpu", 0 )
+
+ /* BIOS & floppy */
+ ROM_LOAD ( "to8d-0.rom", 0x30000, 0x2000,
+ CRC(30ea4950)
+ SHA1(6705100cd337fffb26ce999302b55fb71557b128) )
+ ROM_LOAD ( "to8d-1.rom", 0x32000, 0x2000,
+ CRC(926cf0ca)
+ SHA1(8521613ac00e04dd94b69e771aeaefbf4fe97bf7) )
+
+ /* BASIC */
+ ROM_LOAD ( "basic8-0.rom", 0x20000, 0x4000,
+ CRC(e5a00fb3)
+ SHA1(281e535ed9b0f76e620253e9103292b8ff623d02) )
+ ROM_LOAD ( "basic8-1.rom", 0x24000, 0x4000,
+ CRC(4b241e63)
+ SHA1(ca8941a10db6cc069bf84c773f5e7d7d2c18449e) )
+ ROM_LOAD ( "basic8-2.rom", 0x28000, 0x4000,
+ CRC(0f5581b3)
+ SHA1(93815ca78d3532192aaa56cbf65b68b0f10f1b8a) )
+ ROM_LOAD ( "basic8-3.rom", 0x2c000, 0x4000,
+ CRC(f552e7e3)
+ SHA1(3208e0d7d90241a327ed24e4921303f16e167bd5) )
+
+ ROM_FLOPPY7( 0x34000 )
+
+ ROM_FILL( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( to8_config )
+ PORT_START ( "config" )
+
+ PORT_CONFNAME ( 0x01, 0x00, "Game Port" )
+ PORT_CONFSETTING ( 0x00, DEF_STR( Joystick ) )
+ PORT_CONFSETTING ( 0x01, "Mouse" )
+
+ PORT_CONFNAME ( 0x02, 0x00, "Keyboard" )
+ PORT_CONFSETTING ( 0x00, "Enabled" )
+ PORT_CONFSETTING ( 0x02, "Disabled" )
+
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START ( to8 )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( to9_keyboard )
+ PORT_INCLUDE ( to8_config )
+ PORT_INCLUDE ( to9_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+ PORT_INCLUDE ( to7_mconfig )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START ( to8d )
+ PORT_INCLUDE ( to8 )
+INPUT_PORTS_END
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( to8, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, to8 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, to8 )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( to8)
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to8_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(NULL)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, to9_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to8_sys_portb_out))
+ MCFG_PIA_CB2_HANDLER(NULL)
+ MCFG_PIA_IRQA_HANDLER(NULL)
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(thomson_state, write_centronics_busy))
+
+ MCFG_DEVICE_MODIFY("mc6846")
+ MCFG_MC6846_OUT_PORT_CB(WRITE8(thomson_state, to8_timer_port_out))
+ MCFG_MC6846_OUT_CP2_CB(WRITE8(thomson_state, to8_timer_cp2_out))
+ MCFG_MC6846_IN_PORT_CB(READ8(thomson_state, to8_timer_port_in))
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("512K")
+ MCFG_RAM_EXTRA_OPTIONS("256K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( to8d, to8 )
+MACHINE_CONFIG_END
+
+
+COMP ( 1986, to8, 0, 0, to8, to8, driver_device, 0, "Thomson", "TO8", 0 )
+
+COMP ( 1987, to8d, to8, 0, to8d, to8d, driver_device, 0, "Thomson", "TO8D", 0 )
+
+
+/******************************** TO9+ *******************************
+
+TO9+ (1986)
+----
+
+The TO9+ is the direct successor of the T09 as Thomson's high-end
+product: desktop look, 512 KB of RAM, integrated floppy drive and
+modem. Some software integrated in ROM on the TO9 are now supplied on
+floppies.
+Internally, the TO9+ is based more on TO8 technology than T09
+(same gate-arrays).
+It has enhanced communication capabilities by integrating either the
+MODEM or the RS232 extension.
+It should be compatible with the TO9 and, to some extent, with the TO7, TO7/70
+and TO8.
+It uses the same video gate-array and floppy controller.
+
+The differences with the TO8 are:
+
+* chips:
+ - 1 Motorola 6805 + 1 Motorola 6850 (keyboard)
+ - 3 Motorola 6821 PIAs (system, game, modem)
+
+* memory:
+ - 512 KB RAM (not extendable)
+
+* devices:
+ - same keyboard as T08/TO9 (AZERTY 81-keys) but different controller
+ - RF 57-932: RS232 (identical to the TO7) sometimes integrated
+ - MD 90-120: MODEM (identical to the TO7?) sometimes integrated
+ - IEEE extension ?
+ - floppy: one two-sided double-density 3''1/2 floppy drive is integrated
+ - RS 52-932 RS232 extension ?
+ - digitisation extension
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( to9p, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x3fff ) AM_READ_BANK ( THOM_CART_BANK) AM_WRITE(to8_cartridge_w ) /* 4 * 16 KB */
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( THOM_VRAM_BANK) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x6000, 0x7fff ) AM_READ_BANK ( TO8_SYS_LO) AM_WRITE(to8_sys_lo_w )
+ AM_RANGE ( 0x8000, 0x9fff ) AM_READ_BANK ( TO8_SYS_HI) AM_WRITE(to8_sys_hi_w )
+ AM_RANGE ( 0xa000, 0xbfff ) AM_READ_BANK ( TO8_DATA_LO) AM_WRITE(to8_data_lo_w )
+ AM_RANGE ( 0xc000, 0xdfff ) AM_READ_BANK ( TO8_DATA_HI) AM_WRITE(to8_data_hi_w )
+ AM_RANGE ( 0xe000, 0xe7bf ) AM_ROMBANK ( THOM_FLOP_BANK ) /* 2 * 2 KB */
+ AM_RANGE ( 0xe7c0, 0xe7c7 ) AM_DEVREADWRITE("mc6846", mc6846_device, read, write)
+ AM_RANGE ( 0xe7c8, 0xe7cb ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7cc, 0xe7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7d0, 0xe7d9 ) AM_READWRITE(to8_floppy_r, to8_floppy_w )
+ AM_RANGE ( 0xe7da, 0xe7dd ) AM_READWRITE(to8_vreg_r, to8_vreg_w )
+ AM_RANGE ( 0xe7de, 0xe7df ) AM_READWRITE(to9_kbd_r, to9_kbd_w )
+ AM_RANGE ( 0xe7e4, 0xe7e7 ) AM_READWRITE(to8_gatearray_r, to8_gatearray_w )
+ AM_RANGE ( 0xe7e8, 0xe7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+/* AM_RANGE ( 0xe7f0, 0xe7f7 ) AM_READWRITE(to9_ieee_r, to9_ieee_w ) */
+ AM_RANGE ( 0xe7f2, 0xe7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xe7f8, 0xe7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xe7fe, 0xe7ff ) AM_READWRITE(to7_modem_mea8000_r, to7_modem_mea8000_w )
+ AM_RANGE ( 0xe800, 0xffff ) AM_ROMBANK ( TO8_BIOS_BANK ) /* 2 * 6 KB */
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x2ffff: 64 KB internal software ROM */
+/* 0x30000 - 0x33fff: 16 KB BIOS ROM */
+/* 0x34000 - 0x387ff: 18 KB external floppy / network ROM controllers */
+
+/* RAM mapping: 512 KB flat (including video) */
+
+ADDRESS_MAP_END
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( to9p )
+ ROM_REGION ( 0x38800, "maincpu", 0 )
+
+ /* BIOS & floppy */
+ ROM_LOAD ( "to9p-0.rom", 0x30000, 0x2000,
+ CRC(a2731296)
+ SHA1(b30e06127d6e99d4ac5a5bb67881df27bbd9a7e5) )
+ ROM_LOAD ( "to9p-1.rom", 0x32000, 0x2000,
+ CRC(c52ce315)
+ SHA1(7eacbd796e76bc72b872f9700c9b90414899ea0f) )
+
+ /* BASIC */
+ ROM_LOAD ( "basicp-0.rom", 0x20000, 0x4000,
+ CRC(e5a00fb3)
+ SHA1(281e535ed9b0f76e620253e9103292b8ff623d02) )
+ ROM_LOAD ( "basicp-1.rom", 0x24000, 0x4000,
+ CRC(4b241e63)
+ SHA1(ca8941a10db6cc069bf84c773f5e7d7d2c18449e) )
+ ROM_LOAD ( "basicp-2.rom", 0x28000, 0x4000,
+ CRC(0f5581b3)
+ SHA1(93815ca78d3532192aaa56cbf65b68b0f10f1b8a) )
+ ROM_LOAD ( "basicp-3.rom", 0x2c000, 0x4000,
+ CRC(ebe9c8d9)
+ SHA1(b667ad09a1181f65059a2cbb4c95421bc544a334) )
+
+ ROM_FLOPPY7( 0x34000 )
+
+ ROM_FILL( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( to9p )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( to9_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to9_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+ PORT_INCLUDE ( to7_mconfig )
+INPUT_PORTS_END
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( to9p, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, to9p )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, to9p )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( to9p)
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, to9_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(NULL)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, to9_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, to8_sys_portb_out))
+ MCFG_PIA_CB2_HANDLER(NULL)
+ MCFG_PIA_IRQA_HANDLER(NULL)
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_firq_1))
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(thomson_state, write_centronics_busy))
+
+ MCFG_DEVICE_MODIFY("mc6846")
+ MCFG_MC6846_OUT_PORT_CB(WRITE8(thomson_state, to9p_timer_port_out))
+ MCFG_MC6846_OUT_CP2_CB(WRITE8(thomson_state, to8_timer_cp2_out))
+ MCFG_MC6846_IN_PORT_CB(READ8(thomson_state, to9p_timer_port_in))
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("512K")
+MACHINE_CONFIG_END
+
+COMP ( 1986, to9p, 0, 0, to9p, to9p, driver_device, 0, "Thomson", "TO9+", 0 )
+
+
+
+/******************************** MO6 ********************************
+
+MO6 (1986)
+---
+
+The MO6 is the (long awaited) successor to the MO5.
+It is based on TO8 technology (same system & video gate-array).
+However, it is lower-end and cheaper: less memory (128 KB RAM, not
+extensible), no floppy controller but an integrated cassette recorder.
+The MO6 is MO5 compatible, but not compatible with the TO family.
+
+* chips:
+ - 1 MHz Motorola 6809E CPU
+ - 2 Motorola 6821 PIAs (system, game)
+ - 1 gate-array (system & video, identical to the TO8)
+
+* memory:
+ - 128 KB RAM (not extendable)
+ - 8 KB BIOS ROM
+ - 24 KB BASIC 1 ROM
+ - 32 KB BASIC 128 & extended BIOS ROM
+
+* video:
+ all modes from the TO8, but the TO7/70-compatible mode is replaced with
+ an MO5-compatible one
+
+* devices:
+ - AZERTY keyboard, 69 keys, no keyboard controller (scanning is done
+ periodically by the 6809)
+ - MO5-compatible cartridge
+ - two-button mouse (TO8-like)
+ - optional lightpen
+ - integrated game port (similar to SX 90-018)
+ . 6-bit DAC sound
+ . two 8-position 2-button game pads
+ . two-button mouse
+ - integrated cassette reader 1200 bauds (MO5 compatible) and 2400 bauds
+ - parallel CENTRONICS (printer emulated)
+ - RF 57-932: RS232 extension (identical to the TO7), or RF 90-932 (???)
+ - IEEE extension ?
+ - no integrated controller, but external TO7 floppy controllers & drives
+ are possible
+ - speech synthesis extension: identical to TO7 ?
+ - MIDIPAK MIDI extension: identical to TO7 ?
+
+
+Olivetti Prodest PC 128 (1986)
+-----------------------
+
+Italian version of the MO6, built by Thomson and sold by Olivetti.
+Except from the ROM, it is very similar to the MO6.
+Do not confuse with the Olivetti Prodest PC 128 Systema (or 128s) which is
+based on the Acorn BBC Master Compact. Or with the Olivetti PC 1, which is
+a PC XT.
+
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( mo6, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x1fff ) AM_READ_BANK ( THOM_VRAM_BANK) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x2000, 0x3fff ) AM_READ_BANK ( TO8_SYS_LO) AM_WRITE(to8_sys_lo_w )
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( TO8_SYS_HI) AM_WRITE(to8_sys_hi_w )
+ AM_RANGE ( 0x6000, 0x7fff ) AM_READ_BANK ( TO8_DATA_LO) AM_WRITE(to8_data_lo_w )
+ AM_RANGE ( 0x8000, 0x9fff ) AM_READ_BANK ( TO8_DATA_HI) AM_WRITE(to8_data_hi_w )
+ AM_RANGE ( 0xa000, 0xa7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xa7c0, 0xa7c3 ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xa7cb, 0xa7cb ) AM_WRITE(mo6_ext_w )
+ AM_RANGE ( 0xa7cc, 0xa7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xa7d0, 0xa7d9 ) AM_READWRITE(to7_floppy_r, to7_floppy_w )
+ AM_RANGE ( 0xa7da, 0xa7dd ) AM_READWRITE(mo6_vreg_r, mo6_vreg_w )
+ AM_RANGE ( 0xa7e4, 0xa7e7 ) AM_READWRITE(mo6_gatearray_r, mo6_gatearray_w )
+ AM_RANGE ( 0xa7e8, 0xa7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+/* AM_RANGE ( 0xa7f0, 0xa7f7 ) AM_READWRITE(to9_ieee_r, to9_ieee_w )*/
+ AM_RANGE ( 0xa7f2, 0xa7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xa7fe, 0xa7ff ) AM_DEVREADWRITE("mea8000", mea8000_device, read, write)
+ AM_RANGE ( 0xb000, 0xbfff ) AM_ROMBANK ( MO6_CART_LO )
+ AM_WRITE ( mo6_cartridge_w )
+ AM_RANGE ( 0xc000, 0xefff ) AM_ROMBANK ( MO6_CART_HI )
+ AM_WRITE ( mo6_cartridge_w )
+ AM_RANGE ( 0xf000, 0xffff ) AM_ROMBANK ( TO8_BIOS_BANK )
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x2ffff: 64 KB BIOS ROM */
+/* 0x30000 - 0x347ff: 16 KB floppy / network ROM controllers */
+
+/* RAM mapping: 128 KB flat (including video) */
+
+ADDRESS_MAP_END
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( mo6 )
+ ROM_REGION ( 0x34800, "maincpu", 0 )
+
+ /* BIOS */
+ ROM_LOAD ( "mo6-0.rom", 0x23000, 0x1000,
+ CRC(0446eef6)
+ SHA1(b57fcda69c95f0c97c5cb0605d17c49a0c630300) )
+ ROM_LOAD ( "mo6-1.rom", 0x27000, 0x1000,
+ CRC(eb6df8d4)
+ SHA1(24e2232f582ce04f260acd8e9ec710468a81505c) )
+
+ /* BASIC */
+ ROM_LOAD ( "basic6-0.rom", 0x20000, 0x3000,
+ CRC(18789833)
+ SHA1(fccbf69cbc6deba45a767a26cd6454cf0eedfc2b) )
+ ROM_LOAD ( "basic6-1.rom", 0x24000, 0x3000,
+ CRC(c9b4d6f4)
+ SHA1(47487d2bc4c9a9c09c733bd89c49693c52e262de) )
+ ROM_LOAD ( "basic6-2.rom", 0x28000, 0x4000,
+ CRC(08eac9bb)
+ SHA1(c0231fdb3bcccbbb10c1f93cc529fc3b96dd3f4d) )
+ ROM_LOAD ( "basic6-3.rom", 0x2c000, 0x4000,
+ CRC(19d66dc4)
+ SHA1(301b6366269181b74cb5d7ccdf5455b7290ae99b) )
+
+ ROM_FLOPPY5 ( 0x30000 )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+ROM_START ( pro128 )
+ ROM_REGION ( 0x34800, "maincpu", 0 )
+
+ /* BIOS */
+ ROM_LOAD ( "pro128-0.rom", 0x23000, 0x1000,
+ CRC(a8aef291)
+ SHA1(2685cca841f405a37ef48b0115f90c865ce79d0f) )
+ ROM_LOAD ( "pro128-1.rom", 0x27000, 0x1000,
+ CRC(5b3340ec)
+ SHA1(269f2eb3e3452014b8d1f0f9e1c63fe56375a863) )
+
+ /* BASIC */
+ ROM_LOAD ( "basico-0.rom", 0x20000, 0x3000,
+ CRC(98b10d5e)
+ SHA1(d6b77e694fa85e1114293448e5a64f6e2cf46c22) )
+ ROM_LOAD ( "basico-1.rom", 0x24000, 0x3000,
+ CRC(721d2124)
+ SHA1(51db1cd03b3891e212a24aa6563b09968930d897) )
+ ROM_LOAD ( "basico-2.rom", 0x28000, 0x4000,
+ CRC(135438ab)
+ SHA1(617d4e4979842bea2c21ef7f8c50f3b08b15239a) )
+ ROM_LOAD ( "basico-3.rom", 0x2c000, 0x4000,
+ CRC(2c2befa6)
+ SHA1(3e94e182bacbb55bb07be2af4c76c0b0df47b3bf) )
+
+ ROM_FLOPPY5 ( 0x30000 )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 )
+ROM_END
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( mo6_keyboard )
+
+ PORT_START ( "keyboard.0" )
+ KEY ( 0, "N", N ) PORT_CHAR('N')
+ KEY ( 1, ", ?", COMMA ) PORT_CHAR(',') PORT_CHAR('?')
+ KEY ( 2, "; .", STOP ) PORT_CHAR(';') PORT_CHAR('.')
+ KEY ( 3, "# @", TILDE ) PORT_CHAR('#') PORT_CHAR('@')
+ KEY ( 4, "Space", SPACE ) PORT_CHAR(' ')
+ KEY ( 5, "X", X ) PORT_CHAR('X')
+ KEY ( 6, "W", W ) PORT_CHAR('W')
+ KEY ( 7, "Shift", LSHIFT ) PORT_CODE ( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_START ( "keyboard.1" )
+ KEY ( 0, "Delete Backspace", DEL ) PORT_CHAR(8) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE))
+ KEY ( 1, "Insert", INSERT ) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ KEY ( 2, "> <", BACKSLASH2 ) PORT_CHAR('>') PORT_CHAR('<')
+ KEY ( 3, UTF8_RIGHT, RIGHT ) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ KEY ( 4, UTF8_DOWN, DOWN ) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ KEY ( 5, UTF8_LEFT, LEFT ) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ KEY ( 6, UTF8_UP, UP ) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ KEY ( 7, "BASIC", RCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
+ PORT_START ( "keyboard.2" )
+ KEY ( 0, "J", J ) PORT_CHAR('J')
+ KEY ( 1, "K", K ) PORT_CHAR('K')
+ KEY ( 2, "L", L ) PORT_CHAR('L')
+ KEY ( 3, "M", M ) PORT_CHAR('M')
+ KEY ( 4, "B \302\264", B ) PORT_CHAR('B')
+ KEY ( 5, "V", V ) PORT_CHAR('V')
+ KEY ( 6, "C \136", C ) PORT_CHAR('C')
+ KEY ( 7, "Caps-Lock", CAPSLOCK ) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_START ( "keyboard.3" )
+ KEY ( 0, "H \302\250", H ) PORT_CHAR('H')
+ KEY ( 1, "G", G ) PORT_CHAR('G')
+ KEY ( 2, "F", F ) PORT_CHAR('F')
+ KEY ( 3, "D", D ) PORT_CHAR('D')
+ KEY ( 4, "S", S ) PORT_CHAR('S')
+ KEY ( 5, "Q", Q ) PORT_CHAR('Q')
+ KEY ( 6, "Home Clear", HOME ) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ KEY ( 7, "F1 F6", F1 ) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_START ( "keyboard.4" )
+ KEY ( 0, "U", U ) PORT_CHAR('U')
+ KEY ( 1, "I", I ) PORT_CHAR('I')
+ KEY ( 2, "O", O ) PORT_CHAR('O')
+ KEY ( 3, "P", P ) PORT_CHAR('P')
+ KEY ( 4, ": /", SLASH ) PORT_CHAR(':') PORT_CHAR('/')
+ KEY ( 5, "$ &", CLOSEBRACE ) PORT_CHAR('$') PORT_CHAR('&')
+ KEY ( 6, "Enter", ENTER ) PORT_CHAR(13)
+ KEY ( 7, "F2 F7", F2 ) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_START ( "keyboard.5" )
+ KEY ( 0, "Y", Y ) PORT_CHAR('Y')
+ KEY ( 1, "T", T ) PORT_CHAR('T')
+ KEY ( 2, "R", R ) PORT_CHAR('R')
+ KEY ( 3, "E", E ) PORT_CHAR('E')
+ KEY ( 4, "Z", Z ) PORT_CHAR('Z')
+ KEY ( 5, "A \140", A ) PORT_CHAR('A')
+ KEY ( 6, "Control", LCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ KEY ( 7, "F3 F8", F3 ) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_START ( "keyboard.6" )
+ KEY ( 0, "7 \303\250", 7 ) PORT_CHAR('7') PORT_CHAR( 0xe8 )
+ KEY ( 1, "8 !", 8 ) PORT_CHAR('8') PORT_CHAR('!')
+ KEY ( 2, "9 \303\247", 9 ) PORT_CHAR('9') PORT_CHAR( 0xe7 )
+ KEY ( 3, "0 \303\240", 0 ) PORT_CHAR('0') PORT_CHAR( 0xe0 )
+ KEY ( 4, "- \\", BACKSPACE ) PORT_CHAR('-') PORT_CHAR('\\')
+ KEY ( 5, "= +", EQUALS ) PORT_CHAR('=') PORT_CHAR('+')
+ KEY ( 6, "Accent", END ) PORT_CHAR(UCHAR_MAMEKEY(END))
+ KEY ( 7, "F4 F9", F4 ) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CHAR(UCHAR_MAMEKEY(F9))
+ PORT_START ( "keyboard.7" )
+ KEY ( 0, "6 _", 6 ) PORT_CHAR('6') PORT_CHAR('_')
+ KEY ( 1, "5 (", 5 ) PORT_CHAR('5') PORT_CHAR('(')
+ KEY ( 2, "4 '", 4 ) PORT_CHAR('4') PORT_CHAR('\'')
+ KEY ( 3, "3 \"", 3 ) PORT_CHAR('3') PORT_CHAR('"')
+ KEY ( 4, "2 \303\251", 2 ) PORT_CHAR('2') PORT_CHAR( 0xe9 )
+ KEY ( 5, "1 *", 1 ) PORT_CHAR('1') PORT_CHAR('*')
+ KEY ( 6, "Stop", TAB ) PORT_CHAR(27)
+ KEY ( 7, "F5 F10", F5 ) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CHAR(UCHAR_MAMEKEY(F10))
+ PORT_START ( "keyboard.8" )
+ KEY ( 0, "[ {", QUOTE ) PORT_CHAR('[') PORT_CHAR('{')
+ KEY ( 1, "] }", BACKSLASH ) PORT_CHAR(']') PORT_CHAR('}')
+ KEY ( 2, ") \302\260", MINUS ) PORT_CHAR(')') PORT_CHAR( 0xb0 )
+ KEY ( 3, "\342\206\221 \302\250", OPENBRACE ) PORT_CHAR('^') PORT_CHAR( 0xa8 )
+ KEY ( 4, "\303\271 %", COLON ) PORT_CHAR( 0xf9 ) PORT_CHAR('%')
+ PORT_BIT ( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ /* unused */
+ PORT_START ( "keyboard.9" )
+
+INPUT_PORTS_END
+
+/* QWERTY version */
+static INPUT_PORTS_START ( pro128_keyboard )
+ PORT_INCLUDE ( mo6_keyboard )
+
+ PORT_MODIFY ( "keyboard.0" )
+ KEY ( 1, "M", M ) PORT_CHAR('M')
+ KEY ( 2, ", ;", COMMA ) PORT_CHAR(',') PORT_CHAR(';')
+ KEY ( 3, "[ {", QUOTE ) PORT_CHAR('[') PORT_CHAR('{')
+ KEY ( 6, "Z", Z ) PORT_CHAR('Z')
+ KEY ( 7, "Shift", LSHIFT ) PORT_CODE ( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_MODIFY ( "keyboard.1" )
+ KEY ( 2, "- _", MINUS ) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_MODIFY ( "keyboard.2" )
+ KEY ( 3, "\303\221", TILDE ) PORT_CHAR( 0xd1 )
+ PORT_MODIFY ( "keyboard.3" )
+ KEY ( 5, "A \140", A ) PORT_CHAR('A')
+ PORT_MODIFY ( "keyboard.4" )
+ KEY ( 4, ". :", STOP ) PORT_CHAR('.') PORT_CHAR(':')
+ KEY ( 5, "+ *", BACKSPACE ) PORT_CHAR('+') PORT_CHAR('*')
+ PORT_MODIFY ( "keyboard.5" )
+ KEY ( 4, "W", W ) PORT_CHAR('W')
+ KEY ( 5, "Q", Q ) PORT_CHAR('Q')
+ PORT_MODIFY ( "keyboard.6" )
+ KEY ( 0, "7 /", 7 ) PORT_CHAR('7') PORT_CHAR('/')
+ KEY ( 1, "8 (", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ KEY ( 2, "9 )", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ KEY ( 3, "0 =", 0 ) PORT_CHAR('0') PORT_CHAR('=')
+ KEY ( 4, "' \302\243", CLOSEBRACE ) PORT_CHAR('\'') PORT_CHAR( 0xa3 )
+ KEY ( 5, "] }", BACKSLASH ) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_MODIFY ( "keyboard.7" )
+ KEY ( 0, "6 &", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+ KEY ( 1, "5 %", 5 ) PORT_CHAR('5') PORT_CHAR('%')
+ KEY ( 2, "4 $", 4 ) PORT_CHAR('4') PORT_CHAR('$')
+ KEY ( 3, "3 \302\247", 3 ) PORT_CHAR('3') PORT_CHAR( 0xa7 )
+ KEY ( 4, "2 \"", 2 ) PORT_CHAR('2') PORT_CHAR('"')
+ KEY ( 5, "1 !", 1 ) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_MODIFY ( "keyboard.8" )
+ KEY ( 0, "> <", BACKSLASH2 ) PORT_CHAR('>') PORT_CHAR('<')
+ KEY ( 1, "# \342\206\221", EQUALS ) PORT_CHAR('#') PORT_CHAR('^')
+ KEY ( 2, "\303\247 ?", COLON ) PORT_CHAR( 0xe7 ) PORT_CHAR('?')
+ KEY ( 3, "\302\277 @", SLASH ) PORT_CHAR( 0xbf ) PORT_CHAR('@')
+ KEY ( 4, "\302\241 \302\250", OPENBRACE ) PORT_CHAR( 0xa1 ) PORT_CHAR( 0xa8 )
+
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START ( mo6 )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( mo6_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to7_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( pro128 )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( pro128_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to7_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+INPUT_PORTS_END
+
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( mo6, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, mo6 )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, mo6 )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( mo6)
+
+ MCFG_CASSETTE_MODIFY( "cassette" )
+ MCFG_CASSETTE_FORMATS(mo5_cassette_formats)
+
+ MCFG_DEVICE_REMOVE( "mc6846" )
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, mo6_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(READ8(thomson_state, mo6_sys_portb_in))
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, mo6_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, mo6_sys_portb_out))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(thomson_state, mo5_set_cassette_motor))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, mo6_sys_cb2_out))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_irq_1)) /* differs from TO */
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_GAME)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, mo6_game_porta_out))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, mo6_game_cb2_out))
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(thomson_state, write_centronics_busy))
+
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ MCFG_DEVICE_REMOVE("cartslot")
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "mo5_cart")
+ MCFG_GENERIC_EXTENSIONS("m5,rom")
+ MCFG_GENERIC_LOAD(thomson_state, mo5_cartridge)
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( pro128, mo6 )
+MACHINE_CONFIG_END
+
+COMP ( 1986, mo6, 0, 0, mo6, mo6, driver_device, 0, "Thomson", "MO6", 0 )
+
+COMP ( 1986, pro128, mo6, 0, pro128, pro128, driver_device, 0, "Olivetti / Thomson", "Prodest PC 128", 0 )
+
+
+
+
+/****************************** MO5NR ********************************
+
+MO5 NR (1986)
+------
+
+Despite its name, the MO5 NR is much more related to the MO6 than to the MO5.
+It can be though as the network-enhanced version of the MO6.
+It is both MO5 and MO6 compatible (but not TO-compatible).
+
+Here are the differences between the MO6 and MO5NR:
+
+* chips:
+ - integrated MC 6854 network controller
+
+* memory:
+ - extra 2 KB ROM for the integrated network controller,
+ can be masked by the ROM from the external floppy controller
+
+* video: identical
+
+* devices:
+ - AZERTY keyboard has only 58 keys, and no caps-lock led
+ - CENTRONICS printer handled differently
+ - MO5-compatible network (probably identical to NR 07-005 extension)
+ - extern floppy controller & drive possible, masks the network
+
+**********************************************************************/
+
+static ADDRESS_MAP_START ( mo5nr, AS_PROGRAM, 8, thomson_state )
+
+ AM_RANGE ( 0x0000, 0x1fff ) AM_READ_BANK ( THOM_VRAM_BANK) AM_WRITE(to770_vram_w )
+ AM_RANGE ( 0x2000, 0x3fff ) AM_READ_BANK ( TO8_SYS_LO) AM_WRITE(to8_sys_lo_w )
+ AM_RANGE ( 0x4000, 0x5fff ) AM_READ_BANK ( TO8_SYS_HI) AM_WRITE(to8_sys_hi_w )
+ AM_RANGE ( 0x6000, 0x7fff ) AM_READ_BANK ( TO8_DATA_LO) AM_WRITE(to8_data_lo_w )
+ AM_RANGE ( 0x8000, 0x9fff ) AM_READ_BANK ( TO8_DATA_HI) AM_WRITE(to8_data_hi_w )
+ AM_RANGE ( 0xa000, 0xa7bf ) AM_ROMBANK ( THOM_FLOP_BANK )
+ AM_RANGE ( 0xa7c0, 0xa7c3 ) AM_DEVREADWRITE( "pia_0", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xa7cb, 0xa7cb ) AM_WRITE(mo6_ext_w )
+ AM_RANGE ( 0xa7cc, 0xa7cf ) AM_DEVREADWRITE( "pia_1", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xa7d0, 0xa7d9 ) AM_READWRITE(mo5nr_net_r, mo5nr_net_w )
+ AM_RANGE ( 0xa7da, 0xa7dd ) AM_READWRITE(mo6_vreg_r, mo6_vreg_w )
+ AM_RANGE ( 0xa7e1, 0xa7e1 ) AM_DEVREAD("cent_data_in", input_buffer_device, read)
+ AM_RANGE ( 0xa7e1, 0xa7e1 ) AM_DEVWRITE("cent_data_out", output_latch_device, write)
+ AM_RANGE ( 0xa7e3, 0xa7e3 ) AM_READWRITE(mo5nr_prn_r, mo5nr_prn_w )
+ AM_RANGE ( 0xa7e4, 0xa7e7 ) AM_READWRITE(mo6_gatearray_r, mo6_gatearray_w )
+ AM_RANGE ( 0xa7e8, 0xa7eb ) AM_DEVREADWRITE( "acia", mos6551_device, read, write )
+/* AM_RANGE ( 0xa7f0, 0xa7f7 ) AM_READWRITE(to9_ieee_r, to9_ieee_w ) */
+ AM_RANGE ( 0xa7f2, 0xa7f3 ) AM_READWRITE(to7_midi_r, to7_midi_w )
+ AM_RANGE ( 0xa7f8, 0xa7fb ) AM_DEVREADWRITE( "pia_3", pia6821_device, read_alt, write_alt)
+ AM_RANGE ( 0xa7fe, 0xa7ff ) AM_DEVREADWRITE("mea8000", mea8000_device, read, write)
+ AM_RANGE ( 0xb000, 0xbfff ) AM_ROMBANK ( MO6_CART_LO )
+ AM_WRITE ( mo6_cartridge_w )
+ AM_RANGE ( 0xc000, 0xefff ) AM_ROMBANK ( MO6_CART_HI )
+ AM_WRITE ( mo6_cartridge_w )
+ AM_RANGE ( 0xf000, 0xffff ) AM_ROMBANK ( TO8_BIOS_BANK )
+
+/* 0x10000 - 0x1ffff: 64 KB external ROM cartridge */
+/* 0x20000 - 0x2ffff: 64 KB BIOS ROM */
+/* 0x30000 - 0x347ff: 16 KB floppy / network ROM controllers */
+
+/* RAM mapping: 128 KB flat (including video) */
+
+ADDRESS_MAP_END
+
+
+/* ------------ ROMS ------------ */
+
+ROM_START ( mo5nr )
+ ROM_REGION ( 0x34800, "maincpu", 0 )
+
+ /* BIOS */
+ ROM_LOAD ( "mo5nr-0.rom", 0x23000, 0x1000,
+ CRC(06e31115)
+ SHA1(7429cc0c15475398b5ab514cb3d3efdc71cf082f) )
+ ROM_LOAD ( "mo5nr-1.rom", 0x27000, 0x1000,
+ CRC(7cda17c9)
+ SHA1(2ff6480ce9e30acc4c89b6113d7c8ea6095d90a5) )
+
+ /* BASIC */
+ ROM_LOAD ( "basicn-0.rom", 0x20000, 0x3000,
+ CRC(fae9e691)
+ SHA1(62fbfd6d4ca837f6cb8ed37f828eca97f80e6200) )
+ ROM_LOAD ( "basicn-1.rom", 0x24000, 0x3000,
+ CRC(cf134dd7)
+ SHA1(1bd961314e16e460d37a65f5e7f4acf5604fbb17) )
+ ROM_LOAD ( "basicn-2.rom", 0x28000, 0x4000,
+ CRC(b69d2e0d)
+ SHA1(ea3220bbae991e08259d38a7ea24533b2bb86418) )
+ ROM_LOAD ( "basicn-3.rom", 0x2c000, 0x4000,
+ CRC(7785610f)
+ SHA1(c38b0be404d8af6f409a1b52cb79a4e10fc33177) )
+
+ ROM_FLOPPY5 ( 0x30000 )
+ ROM_FILL ( 0x10000, 0x10000, 0x39 ) /* TODO: network ROM */
+ROM_END
+
+
+
+
+/* ------------ inputs ------------ */
+
+static INPUT_PORTS_START ( mo5nr_keyboard )
+
+ PORT_START ( "keyboard.0" )
+ KEY ( 0, "N", N ) PORT_CHAR('N')
+ KEY ( 1, ", <", COMMA ) PORT_CHAR(',') PORT_CHAR('<')
+ KEY ( 2, ". >", STOP ) PORT_CHAR('.') PORT_CHAR('>')
+ KEY ( 3, "@ \342\206\221", TILDE ) PORT_CHAR('@') PORT_CHAR('^')
+ KEY ( 4, "Space Caps-Lock", SPACE ) PORT_CHAR(' ') PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ KEY ( 5, "X", X ) PORT_CHAR('X')
+ KEY ( 6, "W", W ) PORT_CHAR('W')
+ KEY ( 7, "Shift", LSHIFT ) PORT_CODE ( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_START ( "keyboard.1" )
+ KEY ( 0, "Delete Backspace", DEL ) PORT_CHAR(8) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE))
+ KEY ( 1, "Insert", INSERT ) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ KEY ( 2, "Home", HOME ) PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ KEY ( 3, UTF8_RIGHT, RIGHT ) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ KEY ( 4, UTF8_DOWN, DOWN ) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ KEY ( 5, UTF8_LEFT, LEFT ) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ KEY ( 6, UTF8_UP, UP ) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ KEY ( 7, "BASIC", RCONTROL )
+ PORT_START ( "keyboard.2" )
+ KEY ( 0, "J", J ) PORT_CHAR('J')
+ KEY ( 1, "K", K ) PORT_CHAR('K')
+ KEY ( 2, "L", L ) PORT_CHAR('L')
+ KEY ( 3, "M", M ) PORT_CHAR('M')
+ KEY ( 4, "B \140", B ) PORT_CHAR('B')
+ KEY ( 5, "V", V ) PORT_CHAR('V')
+ KEY ( 6, "C \136", C ) PORT_CHAR('C')
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.3" )
+ KEY ( 0, "H \302\250", H ) PORT_CHAR('H')
+ KEY ( 1, "G", G ) PORT_CHAR('G')
+ KEY ( 2, "F", F ) PORT_CHAR('F')
+ KEY ( 3, "D", D ) PORT_CHAR('D')
+ KEY ( 4, "S", S ) PORT_CHAR('S')
+ KEY ( 5, "Q", Q ) PORT_CHAR('Q')
+ KEY ( 6, "Clear", ESC ) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.4" )
+ KEY ( 0, "U", U ) PORT_CHAR('U')
+ KEY ( 1, "I", I ) PORT_CHAR('I')
+ KEY ( 2, "O", O ) PORT_CHAR('O')
+ KEY ( 3, "P", P ) PORT_CHAR('P')
+ KEY ( 4, "/ ?", SLASH ) PORT_CHAR('/') PORT_CHAR('?')
+ KEY ( 5, "* :", QUOTE ) PORT_CHAR('*') PORT_CHAR(':')
+ KEY ( 6, "Enter", ENTER ) PORT_CHAR(13)
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.5" )
+ KEY ( 0, "Y", Y ) PORT_CHAR('Y')
+ KEY ( 1, "T", T ) PORT_CHAR('T')
+ KEY ( 2, "R", R ) PORT_CHAR('R')
+ KEY ( 3, "E", E ) PORT_CHAR('E')
+ KEY ( 4, "Z", Z ) PORT_CHAR('Z')
+ KEY ( 5, "A \140", A ) PORT_CHAR('A')
+ KEY ( 6, "Control", LCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.6" )
+ KEY ( 0, "7 ' \303\250", 7 ) PORT_CHAR('7') PORT_CHAR('\'' )
+ KEY ( 1, "8 ( \303\271", 8 ) PORT_CHAR('8') PORT_CHAR('(')
+ KEY ( 2, "9 ) \303\247", 9 ) PORT_CHAR('9') PORT_CHAR(')')
+ KEY ( 3, "0 \303\240", 0 ) PORT_CHAR('0') PORT_CHAR( 0xe0 )
+ KEY ( 4, "- =", MINUS ) PORT_CHAR('-') PORT_CHAR('=')
+ KEY ( 5, "+ ;", EQUALS ) PORT_CHAR('+') PORT_CHAR(';')
+ KEY ( 6, "Accent", END ) PORT_CHAR(UCHAR_MAMEKEY(END))
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_START ( "keyboard.7" )
+ KEY ( 0, "6 & \303\251", 6 ) PORT_CHAR('6') PORT_CHAR('&')
+ KEY ( 1, "5 %", 5 ) PORT_CHAR('5') PORT_CHAR('%')
+ KEY ( 2, "4 $", 4 ) PORT_CHAR('4') PORT_CHAR('$')
+ KEY ( 3, "3 #", 3 ) PORT_CHAR('3') PORT_CHAR('#')
+ KEY ( 4, "2 \"", 2 ) PORT_CHAR('2') PORT_CHAR('"')
+ KEY ( 5, "1 !", 1 ) PORT_CHAR('1') PORT_CHAR('!')
+ KEY ( 6, "Stop", TAB ) PORT_CHAR(27)
+ PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ /* unused */
+ PORT_START ( "keyboard.8" )
+ PORT_START ( "keyboard.9" )
+
+INPUT_PORTS_END
+
+static INPUT_PORTS_START ( mo5nr )
+ PORT_INCLUDE ( thom_lightpen )
+ PORT_INCLUDE ( thom_game_port )
+ PORT_INCLUDE ( mo5nr_keyboard )
+ PORT_INCLUDE ( to7_config )
+ PORT_INCLUDE ( to7_fconfig )
+ PORT_INCLUDE ( to7_vconfig )
+INPUT_PORTS_END
+
+
+/* ------------ driver ------------ */
+
+static MACHINE_CONFIG_DERIVED( mo5nr, to7 )
+ MCFG_MACHINE_START_OVERRIDE( thomson_state, mo5nr )
+ MCFG_MACHINE_RESET_OVERRIDE( thomson_state, mo5nr )
+
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP ( mo5nr)
+
+ MCFG_DEVICE_REMOVE( "mc6846" )
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_SYS)
+ MCFG_PIA_READPA_HANDLER(READ8(thomson_state, mo6_sys_porta_in))
+ MCFG_PIA_READPB_HANDLER(READ8(thomson_state, mo5nr_sys_portb_in))
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, mo5nr_sys_porta_out))
+ MCFG_PIA_WRITEPB_HANDLER(WRITE8(thomson_state, mo6_sys_portb_out))
+ MCFG_PIA_CA2_HANDLER(WRITELINE(thomson_state, mo5_set_cassette_motor))
+ MCFG_PIA_CB2_HANDLER(WRITELINE(thomson_state, mo6_sys_cb2_out))
+ MCFG_PIA_IRQB_HANDLER(WRITELINE(thomson_state, thom_irq_1)) /* differs from TO */
+
+ MCFG_DEVICE_MODIFY(THOM_PIA_GAME)
+ MCFG_PIA_WRITEPA_HANDLER(WRITE8(thomson_state, mo6_game_porta_out))
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_DATA_INPUT_BUFFER("cent_data_in")
+ MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(thomson_state, write_centronics_busy))
+
+ MCFG_DEVICE_ADD("cent_data_in", INPUT_BUFFER, 0)
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ MCFG_DEVICE_REMOVE("cartslot")
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "mo5_cart")
+ MCFG_GENERIC_EXTENSIONS("m5,rom")
+ MCFG_GENERIC_LOAD(thomson_state, mo5_cartridge)
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+MACHINE_CONFIG_END
+
+COMP ( 1986, mo5nr, 0, 0, mo5nr, mo5nr, driver_device, 0, "Thomson", "MO5 NR", 0 )