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-rw-r--r--src/mame/drivers/vtech1.c558
1 files changed, 558 insertions, 0 deletions
diff --git a/src/mame/drivers/vtech1.c b/src/mame/drivers/vtech1.c
new file mode 100644
index 00000000000..d75006d4318
--- /dev/null
+++ b/src/mame/drivers/vtech1.c
@@ -0,0 +1,558 @@
+// license:GPL-2.0+
+// copyright-holders:Juergen Buchmueller, Dirk Best
+/***************************************************************************
+
+ Video Technology Laser 110
+ Video Technology Laser 200
+ Salora Fellow
+ Texet TX-8000 (?)
+ Video Technology VZ-200
+ Video Technology Laser 210
+ Dick Smith Electronics VZ-200
+ Video Technology Laser 310
+ Dick Smith Electronics VZ-300
+
+Thanks go to:
+
+ - Guy Thomason
+ - Jason Oakley
+ - Bushy Maunder
+ - and anybody else on the vzemu list :)
+ - Davide Moretti for the detailed description of the colors
+ - Leslie Milburn
+
+Todo:
+
+ - Figure out which machines were shipped with which ROM version
+ where not known (currently only a guess)
+ - Lightpen support
+ - Rewrite floppy
+
+***************************************************************************/
+
+#include "emu.h"
+#include "formats/imageutl.h"
+#include "cpu/z80/z80.h"
+#include "video/mc6847.h"
+#include "bus/vtech/ioexp/ioexp.h"
+#include "bus/vtech/memexp/memexp.h"
+#include "sound/wave.h"
+#include "sound/speaker.h"
+#include "imagedev/snapquik.h"
+#include "imagedev/cassette.h"
+#include "formats/vt_cas.h"
+
+
+/***************************************************************************
+ CONSTANTS & MACROS
+***************************************************************************/
+
+#define LOG_VTECH1_LATCH 0
+
+#define VTECH1_CLK 3579500
+#define VZ300_XTAL1_CLK XTAL_17_73447MHz
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+class vtech1_state : public driver_device
+{
+public:
+ vtech1_state(const machine_config &mconfig, device_type type, const char *tag) :
+ driver_device(mconfig, type, tag),
+ m_videoram(*this, "videoram"),
+ m_maincpu(*this, "maincpu"),
+ m_mc6847(*this, "mc6847"),
+ m_speaker(*this, "speaker"),
+ m_cassette(*this, "cassette"),
+ m_ioexp(*this, "io"),
+ m_memexp(*this, "mem")
+ {
+ }
+
+ DECLARE_DRIVER_INIT(vtech1);
+ DECLARE_DRIVER_INIT(vtech1h);
+
+ DECLARE_READ8_MEMBER(vtech1_lightpen_r);
+ DECLARE_READ8_MEMBER(vtech1_keyboard_r);
+ DECLARE_WRITE8_MEMBER(vtech1_latch_w);
+
+ DECLARE_WRITE8_MEMBER(vtech1_video_bank_w);
+ DECLARE_READ8_MEMBER(mc6847_videoram_r);
+
+ DECLARE_SNAPSHOT_LOAD_MEMBER( vtech1 );
+
+private:
+ static const UINT8 VZ_BASIC = 0xf0;
+ static const UINT8 VZ_MCODE = 0xf1;
+
+ required_shared_ptr<UINT8> m_videoram;
+
+ required_device<cpu_device> m_maincpu;
+ required_device<mc6847_base_device> m_mc6847;
+ required_device<speaker_sound_device> m_speaker;
+ required_device<cassette_image_device> m_cassette;
+ required_device<ioexp_slot_device> m_ioexp;
+ required_device<memexp_slot_device> m_memexp;
+};
+
+
+/***************************************************************************
+ SNAPSHOT LOADING
+***************************************************************************/
+
+SNAPSHOT_LOAD_MEMBER( vtech1_state, vtech1 )
+{
+ address_space &space = m_maincpu->space(AS_PROGRAM);
+ UINT8 header[24];
+ char pgmname[18];
+
+ // get the header
+ image.fread(&header, sizeof(header));
+
+ // get image name
+ for (int i = 0; i < 16; i++)
+ pgmname[i] = header[i+4];
+ pgmname[16] = '\0';
+
+ // get start and end addresses
+ UINT16 start = pick_integer_le(header, 22, 2);
+ UINT16 end = start + snapshot_size - sizeof(header);
+ UINT16 size = end - start;
+
+ // write it to ram
+ UINT8 *ptr = (UINT8 *)image.ptr() + sizeof(header);
+
+ for (UINT16 addr = start; addr <= end; addr++, ptr++)
+ {
+ UINT8 to_write = *ptr;
+ space.write_byte(addr, to_write);
+
+ // verify
+ if (space.read_byte(addr) != to_write)
+ {
+ image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Insufficient RAM to load snapshot");
+ image.message("Insufficient RAM to load snapshot (%d bytes needed) [%s]", size, pgmname);
+
+ return IMAGE_INIT_FAIL;
+ }
+ }
+
+ // patch variables depending on snapshot type
+ switch (header[21])
+ {
+ case VZ_BASIC:
+ space.write_byte(0x78a4, start % 256); /* start of basic program */
+ space.write_byte(0x78a5, start / 256);
+ space.write_byte(0x78f9, end % 256); /* end of basic program */
+ space.write_byte(0x78fa, end / 256);
+ space.write_byte(0x78fb, end % 256); /* start variable table */
+ space.write_byte(0x78fc, end / 256);
+ space.write_byte(0x78fd, end % 256); /* start free mem, end variable table */
+ space.write_byte(0x78fe, end / 256);
+ image.message(" %s (B)\nsize=%04X : start=%04X : end=%04X", pgmname, size, start, end);
+ break;
+
+ case VZ_MCODE:
+ space.write_byte(0x788e, start % 256); /* usr subroutine address */
+ space.write_byte(0x788f, start / 256);
+ image.message(" %s (M)\nsize=%04X : start=%04X : end=%04X", pgmname, size, start, end);
+ m_maincpu->set_pc(start); /* start program */
+ break;
+
+ default:
+ image.seterror(IMAGE_ERROR_UNSUPPORTED, "Snapshot format not supported.");
+ image.message("Snapshot format not supported.");
+ return IMAGE_INIT_FAIL;
+ }
+
+ return IMAGE_INIT_PASS;
+}
+
+
+/***************************************************************************
+ INPUTS
+***************************************************************************/
+
+READ8_MEMBER( vtech1_state::vtech1_lightpen_r )
+{
+ logerror("vtech1_lightpen_r(%d)\n", offset);
+ return 0xff;
+}
+
+READ8_MEMBER( vtech1_state::vtech1_keyboard_r )
+{
+ UINT8 result = 0x3f;
+
+ // bit 0 to 5, keyboard input
+ if (!BIT(offset, 0)) result &= ioport("keyboard_0")->read();
+ if (!BIT(offset, 1)) result &= ioport("keyboard_1")->read();
+ if (!BIT(offset, 2)) result &= ioport("keyboard_2")->read();
+ if (!BIT(offset, 3)) result &= ioport("keyboard_3")->read();
+ if (!BIT(offset, 4)) result &= ioport("keyboard_4")->read();
+ if (!BIT(offset, 5)) result &= ioport("keyboard_5")->read();
+ if (!BIT(offset, 6)) result &= ioport("keyboard_6")->read();
+ if (!BIT(offset, 7)) result &= ioport("keyboard_7")->read();
+
+ // bit 6, cassette input
+ result |= ((m_cassette->input()) > 0 ? 1 : 0) << 6;
+
+ // bit 7, field sync
+ result |= m_mc6847->fs_r() << 7;
+
+ return result;
+}
+
+
+/***************************************************************************
+ I/O LATCH
+***************************************************************************/
+
+WRITE8_MEMBER( vtech1_state::vtech1_latch_w )
+{
+ if (LOG_VTECH1_LATCH)
+ logerror("vtech1_latch_w $%02X\n", data);
+
+ // bit 1, SHRG mod (if installed)
+ if (m_videoram.bytes() == 0x2000)
+ {
+ m_mc6847->gm0_w(BIT(data, 1));
+ m_mc6847->gm2_w(BIT(data, 1));
+ }
+
+ // bit 2, cassette out (actually bits 1 and 2 perform this function, so either can be used)
+ m_cassette->output( BIT(data, 2) ? -1.0 : +1.0);
+
+ // bit 3 and 4, vdc mode control lines
+ m_mc6847->ag_w(BIT(data, 3));
+ m_mc6847->css_w(BIT(data, 4));
+
+ // bit 0 and 5, speaker
+ m_speaker->level_w((BIT(data, 5) << 1) | BIT(data, 0));
+}
+
+
+/***************************************************************************
+ MEMORY BANKING
+***************************************************************************/
+
+WRITE8_MEMBER( vtech1_state::vtech1_video_bank_w )
+{
+ membank("bank4")->set_entry(data & 0x03);
+}
+
+
+/***************************************************************************
+ VIDEO EMULATION
+***************************************************************************/
+
+READ8_MEMBER( vtech1_state::mc6847_videoram_r )
+{
+ if (offset == ~0) return 0xff;
+
+ m_mc6847->inv_w(BIT(m_videoram[offset], 6));
+ m_mc6847->as_w(BIT(m_videoram[offset], 7));
+
+ return m_videoram[offset];
+}
+
+
+/***************************************************************************
+ DRIVER INIT
+***************************************************************************/
+
+DRIVER_INIT_MEMBER( vtech1_state, vtech1 )
+{
+ // setup expansion slots
+ m_ioexp->set_io_space(&m_maincpu->space(AS_IO));
+ m_memexp->set_program_space(&m_maincpu->space(AS_PROGRAM));
+ m_memexp->set_io_space(&m_maincpu->space(AS_IO));
+}
+
+DRIVER_INIT_MEMBER( vtech1_state, vtech1h )
+{
+ DRIVER_INIT_CALL(vtech1);
+
+ // the SHRG mod replaces the standard videoram chip with an 8k chip
+ m_videoram.allocate(0x2000);
+
+ m_maincpu->space(AS_PROGRAM).install_readwrite_bank(0x7000, 0x77ff, "bank4");
+ membank("bank4")->configure_entries(0, 4, m_videoram, 0x800);
+ membank("bank4")->set_entry(0);
+}
+
+
+/***************************************************************************
+ ADDRESS MAPS
+***************************************************************************/
+
+static ADDRESS_MAP_START( laser110_mem, AS_PROGRAM, 8, vtech1_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM // basic rom
+ AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
+ AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") // 6847
+ AM_RANGE(0x7800, 0x7fff) AM_RAM // 2k user ram
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( laser210_mem, AS_PROGRAM, 8, vtech1_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM // basic rom
+ AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
+ AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") // 6847
+ AM_RANGE(0x7800, 0x8fff) AM_RAM // 6k user ram
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( laser310_mem, AS_PROGRAM, 8, vtech1_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM // basic rom
+ AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
+ AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") // 6847
+ AM_RANGE(0x7800, 0xb7ff) AM_RAM // 16k user ram
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( vtech1_io, AS_IO, 8, vtech1_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x4f) AM_READ(vtech1_lightpen_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( vtech1_shrg_io, AS_IO, 8, vtech1_state )
+ AM_IMPORT_FROM(vtech1_io)
+ AM_RANGE(0xd0, 0xdf) AM_WRITE(vtech1_video_bank_w)
+ADDRESS_MAP_END
+
+
+/***************************************************************************
+ INPUT PORTS
+***************************************************************************/
+
+static INPUT_PORTS_START(vtech1)
+ PORT_START("keyboard_0")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R RETURN LEFT$") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q FOR CHR$") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E NEXT LEN(") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W TO VAL(") PORT_CODE(KEYCODE_W) PORT_CHAR('W')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T THEN MID$") PORT_CODE(KEYCODE_T) PORT_CHAR('T')
+
+ PORT_START("keyboard_1")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F GOSUB RND(") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A MODE( ASC(") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D DIM RESTORE") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S STEP STR$(") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G GOTO STOP") PORT_CODE(KEYCODE_G) PORT_CHAR('G')
+
+ PORT_START("keyboard_2")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V LPRINT USR") PORT_CODE(KEYCODE_V) PORT_CHAR('V')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z PEEK( INP") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C CONT COPY") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X POKE OUT") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B LLIST SOUND") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
+
+ PORT_START("keyboard_3")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $ VERIFY ATN(") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 ! CSAVE SIN(") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 # CRUN TAN(") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 \" CLOAD COS(") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 % LIST LOG(") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+
+ PORT_START("keyboard_4")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M \\ \xE2\x86\x90") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('\\') PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE \xE2\x86\x93") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_CHAR('~') PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", < \xE2\x86\x92") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". > \xE2\x86\x91") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N ^ COLOR USING") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('^')
+
+ PORT_START("keyboard_5")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 ' END SGN(") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 @ DATA INT(") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('@')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 ( NEW SQR(") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- = [Break]") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_CHAR(UCHAR_MAMEKEY(CANCEL))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 ) READ ABS(") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 & RUN EXP(") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+
+ PORT_START("keyboard_6")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U IF INKEY$") PORT_CODE(KEYCODE_U) PORT_CHAR('U')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P ] PRINT NOT") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR(']')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I INPUT AND") PORT_CODE(KEYCODE_I) PORT_CHAR('I')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RETURN [Function]") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O [ LET OR") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('[')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y ELSE RIGHT$(") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
+
+ PORT_START("keyboard_7")
+ PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J REM RESET") PORT_CODE(KEYCODE_J) PORT_CHAR('J')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; + [Rubout]") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K / TAB( POINT") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('/')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": * [Inverse]") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L ? [Insert]") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('?') PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H CLS SET") PORT_CODE(KEYCODE_H) PORT_CHAR('H')
+
+ /* Enhanced options not available on real hardware */
+ PORT_START("CONFIG")
+ PORT_CONFNAME( 0x01, 0x01, "Autorun on Quickload")
+ PORT_CONFSETTING( 0x00, DEF_STR(No))
+ PORT_CONFSETTING( 0x01, DEF_STR(Yes))
+// PORT_CONFNAME( 0x08, 0x08, "Cassette Speaker")
+// PORT_CONFSETTING( 0x08, DEF_STR(On))
+// PORT_CONFSETTING( 0x00, DEF_STR(Off))
+INPUT_PORTS_END
+
+
+/***************************************************************************
+ MACHINE DRIVERS
+***************************************************************************/
+
+static const INT16 speaker_levels[] = {-32768, 0, 32767, 0};
+
+static MACHINE_CONFIG_START( laser110, vtech1_state )
+
+ // basic machine hardware
+ MCFG_CPU_ADD("maincpu", Z80, VTECH1_CLK) /* 3.57950 MHz */
+ MCFG_CPU_PROGRAM_MAP(laser110_mem)
+ MCFG_CPU_IO_MAP(vtech1_io)
+
+ // video hardware
+ MCFG_SCREEN_MC6847_PAL_ADD("screen", "mc6847")
+
+ MCFG_DEVICE_ADD("mc6847", MC6847_PAL, XTAL_4_433619MHz)
+ MCFG_MC6847_FSYNC_CALLBACK(INPUTLINE("maincpu", 0)) MCFG_DEVCB_INVERT
+ MCFG_MC6847_INPUT_CALLBACK(READ8(vtech1_state, mc6847_videoram_r))
+ MCFG_MC6847_BW(true)
+ MCFG_MC6847_FIXED_MODE(MC6847_MODE_GM1)
+ // GM2 = GND, GM0 = GND, INTEXT = GND
+ // other lines not connected
+
+ // sound hardware
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SPEAKER_LEVELS(4, speaker_levels)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)
+
+ // peripheral and memory expansion slots
+ MCFG_IOEXP_SLOT_ADD("io")
+ MCFG_MEMEXP_SLOT_ADD("mem")
+
+ // snapshot
+ MCFG_SNAPSHOT_ADD("snapshot", vtech1_state, vtech1, "vz", 1.5)
+
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(vtech1_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
+ MCFG_CASSETTE_INTERFACE("vtech1_cass")
+
+ MCFG_SOFTWARE_LIST_ADD("cass_list", "vz_cass")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( laser200, laser110 )
+ MCFG_DEVICE_REMOVE("mc6847")
+ MCFG_DEVICE_ADD("mc6847", MC6847_PAL, XTAL_4_433619MHz)
+ MCFG_MC6847_FSYNC_CALLBACK(INPUTLINE("maincpu", 0)) MCFG_DEVCB_INVERT
+ MCFG_MC6847_INPUT_CALLBACK(READ8(vtech1_state, mc6847_videoram_r))
+ MCFG_MC6847_FIXED_MODE(MC6847_MODE_GM1)
+ // GM2 = GND, GM0 = GND, INTEXT = GND
+ // other lines not connected
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( laser210, laser200 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(laser210_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( laser310, laser200 )
+ MCFG_CPU_REPLACE("maincpu", Z80, VZ300_XTAL1_CLK / 5) /* 3.546894 MHz */
+ MCFG_CPU_PROGRAM_MAP(laser310_mem)
+ MCFG_CPU_IO_MAP(vtech1_io)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( laser310h, laser310 )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(vtech1_shrg_io)
+
+ MCFG_DEVICE_REMOVE("mc6847")
+ MCFG_DEVICE_ADD("mc6847", MC6847_PAL, XTAL_4_433619MHz)
+ MCFG_MC6847_FSYNC_CALLBACK(INPUTLINE("maincpu", 0)) MCFG_DEVCB_INVERT
+ MCFG_MC6847_INPUT_CALLBACK(READ8(vtech1_state, mc6847_videoram_r))
+ MCFG_MC6847_FIXED_MODE(MC6847_MODE_GM1)
+ // INTEXT = GND
+ // other lines not connected
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+ ROM DEFINITIONS
+***************************************************************************/
+
+ROM_START( laser110 )
+ ROM_REGION(0x4000, "maincpu", 0)
+ ROM_LOAD("vtechv12.u09", 0x0000, 0x2000, CRC(99412d43) SHA1(6aed8872a0818be8e1b08ecdfd92acbe57a3c96d))
+ ROM_LOAD("vtechv12.u10", 0x2000, 0x2000, CRC(e4c24e8b) SHA1(9d8fb3d24f3d4175b485cf081a2d5b98158ab2fb))
+ROM_END
+
+// The VZ-200 sold in Germany and the Netherlands came with BASIC V1.1, which is currently not dumped.
+ROM_START( vz200de )
+ ROM_REGION(0x4000, "maincpu", 0)
+ ROM_LOAD("vtechv11.u09", 0x0000, 0x2000, NO_DUMP)
+ ROM_LOAD("vtechv11.u10", 0x2000, 0x2000, NO_DUMP)
+ROM_END
+
+#define rom_laser200 rom_laser110
+#define rom_fellow rom_laser110
+
+// It's possible that the Texet TX-8000 came with BASIC V1.0, but this needs to be verified
+#define rom_tx8000 rom_laser110
+
+ROM_START( laser210 )
+ ROM_REGION(0x4000, "maincpu", 0)
+ ROM_LOAD("vtechv20.u09", 0x0000, 0x2000, CRC(cc854fe9) SHA1(6e66a309b8e6dc4f5b0b44e1ba5f680467353d66))
+ ROM_LOAD("vtechv20.u10", 0x2000, 0x2000, CRC(7060f91a) SHA1(8f3c8f24f97ebb98f3c88d4e4ba1f91ffd563440))
+ROM_END
+
+ROM_START( vz200 )
+ ROM_REGION(0x4000, "maincpu", 0)
+ ROM_SYSTEM_BIOS(0, "basic20", "BASIC V2.0")
+ ROMX_LOAD("vtechv20.u09", 0x0000, 0x2000, CRC(cc854fe9) SHA1(6e66a309b8e6dc4f5b0b44e1ba5f680467353d66), ROM_BIOS(1))
+ ROMX_LOAD("vtechv20.u10", 0x2000, 0x2000, CRC(7060f91a) SHA1(8f3c8f24f97ebb98f3c88d4e4ba1f91ffd563440), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS(1, "enhanced", "VZ-200 Enhanced BASIC V1.01")
+ ROMX_LOAD("vz200_v101.u9", 0x0000, 0x2000, CRC(70340b97) SHA1(eb3f3c8cf0cfa7acd646e89a90a3edf9e556cab6), ROM_BIOS(2))
+ ROMX_LOAD("vtechv20.u10", 0x2000, 0x2000, CRC(7060f91a) SHA1(8f3c8f24f97ebb98f3c88d4e4ba1f91ffd563440), ROM_BIOS(2))
+ROM_END
+
+ROM_START( laser310 )
+ ROM_REGION(0x4000, "maincpu", 0)
+ ROM_SYSTEM_BIOS(0, "basic20", "BASIC V2.0")
+ ROMX_LOAD("vtechv20.u12", 0x0000, 0x4000, CRC(613de12c) SHA1(f216c266bc09b0dbdbad720796e5ea9bc7d91e53), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS(1, "basic21", "BASIC V2.1 (hack)")
+ ROMX_LOAD("vtechv21.u12", 0x0000, 0x4000, CRC(f7df980f) SHA1(5ba14a7a2eedca331b033901080fa5d205e245ea), ROM_BIOS(2))
+ROM_END
+
+#define rom_vz300 rom_laser310
+#define rom_laser310h rom_laser310
+
+
+/***************************************************************************
+ GAME DRIVERS
+***************************************************************************/
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS
+COMP( 1983, laser110, 0, 0, laser110, vtech1, vtech1_state, vtech1, "Video Technology", "Laser 110", 0 )
+COMP( 1983, laser200, 0, 0, laser200, vtech1, vtech1_state, vtech1, "Video Technology", "Laser 200", 0 )
+COMP( 1983, vz200de, laser200, 0, laser200, vtech1, vtech1_state, vtech1, "Video Technology", "VZ-200 (Germany & Netherlands)", MACHINE_NOT_WORKING )
+COMP( 1983, fellow, laser200, 0, laser200, vtech1, vtech1_state, vtech1, "Salora", "Fellow (Finland)", 0 )
+COMP( 1983, tx8000, laser200, 0, laser200, vtech1, vtech1_state, vtech1, "Texet", "TX-8000 (UK)", 0 )
+COMP( 1984, laser210, 0, 0, laser210, vtech1, vtech1_state, vtech1, "Video Technology", "Laser 210", 0 )
+COMP( 1984, vz200, laser210, 0, laser210, vtech1, vtech1_state, vtech1, "Dick Smith Electronics", "VZ-200 (Oceania)", 0 )
+COMP( 1984, laser310, 0, 0, laser310, vtech1, vtech1_state, vtech1, "Video Technology", "Laser 310", 0 )
+COMP( 1984, vz300, laser310, 0, laser310, vtech1, vtech1_state, vtech1, "Dick Smith Electronics", "VZ-300 (Oceania)", 0 )
+COMP( 1984, laser310h, laser310, 0, laser310h, vtech1, vtech1_state, vtech1h, "Video Technology", "Laser 310 (SHRG)", MACHINE_UNOFFICIAL)