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diff --git a/src/mame/drivers/vtech2.cpp b/src/mame/drivers/vtech2.cpp
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+// license:GPL-2.0+
+// copyright-holders:Juergen Buchmueller
+/***************************************************************************
+ vtech2.c
+
+ system driver
+ Juergen Buchmueller <pullmoll@t-online.de> MESS driver, Jan 2000
+ Davide Moretti <dave@rimini.com> ROM dump and hardware description
+
+ LASER 350 (it has only 16K of RAM)
+ FFFF|-------|
+ | Empty |
+ | 5 |
+ C000|-------|
+ | RAM |
+ | 3 |
+ 8000|-------|-------|-------|
+ | ROM |Display| I/O |
+ | 1 | 3 | 2 |
+ 4000|-------|-------|-------|
+ | ROM |
+ | 0 |
+ 0000|-------|
+
+
+ Laser 500/700 with 64K of RAM and
+ Laser 350 with 64K RAM expansion module
+ FFFF|-------|
+ | RAM |
+ | 5 |
+ C000|-------|
+ | RAM |
+ | 4 |
+ 8000|-------|-------|-------|
+ | ROM |Display| I/O |
+ | 1 | 7 | 2 |
+ 4000|-------|-------|-------|
+ | ROM |
+ | 0 |
+ 0000|-------|
+
+
+ Bank "maincpu" Contents
+ 0 0x00000 - 0x03fff ROM 1st half
+ 1 0x04000 - 0x07fff ROM 2nd half
+ 2 n/a I/O 2KB area (mirrored 8 times?)
+ 3 0x0c000 - 0x0ffff Display RAM (16KB) present in Laser 350 only!
+ 4 0x10000 - 0x13fff RAM #4
+ 5 0x14000 - 0x17fff RAM #5
+ 6 0x18000 - 0x1bfff RAM #6
+ 7 0x1c000 - 0x1ffff RAM #7 (Display RAM with 64KB)
+ 8 0x20000 - 0x23fff RAM #8 (Laser 700 or 128KB extension)
+ 9 0x24000 - 0x27fff RAM #9
+ A 0x28000 - 0x2bfff RAM #A
+ B 0x2c000 - 0x2ffff RAM #B
+ C 0x30000 - 0x33fff ROM expansion
+ D 0x34000 - 0x34fff ROM expansion
+ E 0x38000 - 0x38fff ROM expansion
+ F 0x3c000 - 0x3ffff ROM expansion
+
+ TODO:
+ Add ROMs and drivers for the Laser100, 110,
+ 210 and 310 machines and the Texet 8000.
+ They should probably go to the vtech1.c files, though.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/speaker.h"
+#include "sound/wave.h"
+#include "includes/vtech2.h"
+#include "imagedev/cassette.h"
+#include "imagedev/flopdrv.h"
+#include "formats/vt_cas.h"
+
+static ADDRESS_MAP_START(vtech2_mem, AS_PROGRAM, 8, vtech2_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x3fff) AM_RAMBANK("bank1")
+ AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("bank2")
+ AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank3")
+ AM_RANGE(0xc000, 0xffff) AM_RAMBANK("bank4")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(vtech2_io, AS_IO, 8, vtech2_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x10, 0x1f) AM_READWRITE(laser_fdc_r, laser_fdc_w)
+ AM_RANGE(0x40, 0x43) AM_WRITE(laser_bank_select_w)
+ AM_RANGE(0x44, 0x44) AM_WRITE(laser_bg_mode_w)
+ AM_RANGE(0x45, 0x45) AM_WRITE(laser_two_color_w)
+ADDRESS_MAP_END
+
+/* 2008-05 FP:
+Small note about natural keyboard: currently,
+- "Graph" is mapped to 'F11'
+- "Del Line" is mapped to 'F12'
+*/
+static INPUT_PORTS_START( laser500 )
+ PORT_START("ROW0") /* KEY ROW 0 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+
+ PORT_START("ROW1") /* KEY ROW 1 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
+
+ PORT_START("ROW2") /* KEY ROW 2 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+
+ PORT_START("ROW3") /* KEY ROW 3 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
+
+ PORT_START("ROW4") /* KEY ROW 4 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
+
+ PORT_START("ROW5") /* KEY ROW 5 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BS") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+
+ PORT_START("ROW6") /* KEY ROW 6 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
+
+ PORT_START("ROW7") /* KEY ROW 7 */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Graph") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(F11))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+
+ PORT_START("ROWA") /* KEY ROW A */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("ROWB") /* KEY ROW B */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
+
+ PORT_START("ROWC") /* KEY ROW C */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cap Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del Line") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(F12))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+
+ PORT_START("ROWD") /* KEY ROW D */
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\\') PORT_CHAR('|')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mu \xC2\xA3") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\xA3')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+INPUT_PORTS_END
+
+/* 2008-05 FP: I wasn't able to find a good picture of the laser 350 to verify the mapping of the emulated keyboard.
+However, old-computers.com describes it as a laser 500/700 in a laser 300/310 case. The missing inputs seem to
+confirm this. */
+static INPUT_PORTS_START( laser350 )
+ PORT_INCLUDE( laser500 )
+
+ PORT_MODIFY("ROW2") /* KEY ROW 2 */
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) /* TAB not on the Laser350 */
+
+ PORT_MODIFY("ROW3") /* KEY ROW 3 */
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) /* ESC not on the Laser350 */
+
+ PORT_MODIFY("ROW5") /* KEY ROW 5 */
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) /* BS not on the Laser350 */
+
+ PORT_MODIFY("ROW7") /* KEY ROW 7 */
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) /* GRAPH not on the Laser350 */
+
+ PORT_MODIFY("ROWA") /* KEY ROW A */
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) /* not on the Laser350 */
+
+ PORT_MODIFY("ROWB") /* KEY ROW B */
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) /* not on the Laser350 */
+
+ PORT_MODIFY("ROWC") /* KEY ROW C */
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) /* not on the Laser350 */
+
+ PORT_MODIFY("ROWD") /* KEY ROW D */
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) /* not on the Laser350 */
+
+ /* 2008-05 FP: This input_port seems never to be read. Is it a leftover of the old cassette code? */
+ PORT_START("TAPE") /* Tape control */
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tape Start") PORT_CODE(KEYCODE_SLASH_PAD)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tape Stop") PORT_CODE(KEYCODE_ASTERISK)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tape Rewind") PORT_CODE(KEYCODE_MINUS_PAD)
+ PORT_BIT(0x1f, IP_ACTIVE_HIGH, IPT_UNUSED)
+INPUT_PORTS_END
+
+
+static const gfx_layout charlayout_80 =
+{
+ 8,8, /* 8 x 8 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes; 1 bit per pixel */
+ /* x offsets */
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ /* y offsets */
+ { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 },
+ 8*8 /* every char takes 8 bytes */
+};
+
+static const gfx_layout charlayout_40 =
+{
+ 8*2,8, /* 8*2 x 8 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes; 1 bit per pixel */
+ /* x offsets */
+ { 0,0, 1,1, 2,2, 3,3, 4,4, 5,5, 6,6, 7,7 },
+ /* y offsets */
+ { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 },
+ 8*8 /* every char takes 8 bytes */
+};
+
+static const gfx_layout gfxlayout_1bpp =
+{
+ 8,1, /* 8x1 pixels */
+ 256, /* 256 codes */
+ 1, /* 1 bit per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7,6,5,4,3,2,1,0 },
+ /* y offsets */
+ { 0 },
+ 8 /* one byte per code */
+};
+
+static const gfx_layout gfxlayout_1bpp_dw =
+{
+ 8*2,1, /* 8 times 2x1 pixels */
+ 256, /* 256 codes */
+ 1, /* 1 bit per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7,7,6,6,5,5,4,4,3,3,2,2,1,1,0,0 },
+ /* y offsets */
+ { 0 },
+ 8 /* one byte per code */
+};
+
+static const gfx_layout gfxlayout_1bpp_qw =
+{
+ 8*4,1, /* 8 times 4x1 pixels */
+ 256, /* 256 codes */
+ 1, /* 1 bit per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7,7,7,7,6,6,6,6,5,5,5,5,4,4,4,4,3,3,3,3,2,2,2,2,1,1,1,1,0,0,0,0 },
+ /* y offsets */
+ { 0 },
+ 8 /* one byte per code */
+};
+
+static const gfx_layout gfxlayout_4bpp =
+{
+ 2*4,1, /* 2 times 4x1 pixels */
+ 256, /* 256 codes */
+ 4, /* 4 bit per pixel */
+ { 0,1,2,3 }, /* four bitplanes */
+ /* x offsets */
+ { 4,4,4,4, 0,0,0,0 },
+ /* y offsets */
+ { 0 },
+ 2*4 /* one byte per code */
+};
+
+static const gfx_layout gfxlayout_4bpp_dh =
+{
+ 2*4,2, /* 2 times 4x2 pixels */
+ 256, /* 256 codes */
+ 4, /* 4 bit per pixel */
+ { 0,1,2,3 }, /* four bitplanes */
+ /* x offsets */
+ { 4,4,4,4, 0,0,0,0 },
+ /* y offsets */
+ { 0,0 },
+ 2*4 /* one byte per code */
+};
+
+static GFXDECODE_START( vtech2 )
+ GFXDECODE_ENTRY( "gfx1", 0, charlayout_80, 0, 256 )
+ GFXDECODE_ENTRY( "gfx1", 0, charlayout_40, 0, 256 )
+ GFXDECODE_ENTRY( "gfx2", 0, gfxlayout_1bpp, 0, 256 )
+ GFXDECODE_ENTRY( "gfx2", 0, gfxlayout_1bpp_dw, 0, 256 )
+ GFXDECODE_ENTRY( "gfx2", 0, gfxlayout_1bpp_qw, 0, 256 )
+ GFXDECODE_ENTRY( "gfx2", 0, gfxlayout_4bpp, 2*256, 1 )
+ GFXDECODE_ENTRY( "gfx2", 0, gfxlayout_4bpp_dh, 2*256, 1 )
+GFXDECODE_END
+
+
+static const rgb_t vt_colors[] =
+{
+ rgb_t::black,
+ rgb_t(0x00, 0x00, 0x7f), /* blue */
+ rgb_t(0x00, 0x7f, 0x00), /* green */
+ rgb_t(0x00, 0x7f, 0x7f), /* cyan */
+ rgb_t(0x7f, 0x00, 0x00), /* red */
+ rgb_t(0x7f, 0x00, 0x7f), /* magenta */
+ rgb_t(0x7f, 0x7f, 0x00), /* yellow */
+ rgb_t(0xa0, 0xa0, 0xa0), /* bright grey */
+ rgb_t(0x7f, 0x7f, 0x7f), /* dark grey */
+ rgb_t(0x00, 0x00, 0xff), /* bright blue */
+ rgb_t(0x00, 0xff, 0x00), /* bright green */
+ rgb_t(0x00, 0xff, 0xff), /* bright cyan */
+ rgb_t(0xff, 0x00, 0x00), /* bright red */
+ rgb_t(0xff, 0x00, 0xff), /* bright magenta */
+ rgb_t(0xff, 0xff, 0x00), /* bright yellow */
+ rgb_t::white
+};
+
+
+/* Initialise the palette */
+PALETTE_INIT_MEMBER(vtech2_state, vtech2)
+{
+ int i;
+
+ for ( i = 0; i < 16; i++ )
+ palette.set_indirect_color(i, vt_colors[i]);
+
+ for (i = 0; i < 256; i++)
+ {
+ palette.set_pen_indirect(2*i, i&15);
+ palette.set_pen_indirect(2*i+1, i>>4);
+ }
+
+ for (i = 0; i < 16; i++)
+ palette.set_pen_indirect(512+i, i);
+}
+
+INTERRUPT_GEN_MEMBER(vtech2_state::vtech2_interrupt)
+{
+ m_maincpu->set_input_line(0, HOLD_LINE);
+}
+
+static const floppy_interface vtech2_floppy_interface =
+{
+ FLOPPY_STANDARD_5_25_SSDD_40,
+ LEGACY_FLOPPY_OPTIONS_NAME(default),
+ NULL
+};
+
+static MACHINE_CONFIG_START( laser350, vtech2_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, 3694700) /* 3.694700 MHz */
+ MCFG_CPU_PROGRAM_MAP(vtech2_mem)
+ MCFG_CPU_IO_MAP(vtech2_io)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", vtech2_state, vtech2_interrupt)
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(0)
+ MCFG_SCREEN_SIZE(88*8, 24*8+32)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 88*8-1, 0*8, 24*8+32-1)
+ MCFG_SCREEN_UPDATE_DRIVER(vtech2_state, screen_update_laser)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", vtech2 )
+ MCFG_PALETTE_ADD("palette", 512+16)
+ MCFG_PALETTE_INDIRECT_ENTRIES(16)
+ MCFG_PALETTE_INIT_OWNER(vtech2_state, vtech2)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)
+
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(vtech2_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
+
+ /* cartridge */
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "vtech_cart")
+ MCFG_GENERIC_EXTENSIONS("rom,bin")
+
+ /* 5.25" Floppy drive */
+ MCFG_LEGACY_FLOPPY_DRIVE_ADD( FLOPPY_0, vtech2_floppy_interface )
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( laser500, laser350 )
+ MCFG_MACHINE_RESET_OVERRIDE(vtech2_state, laser500 )
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( laser700, laser350 )
+ MCFG_MACHINE_RESET_OVERRIDE(vtech2_state, laser700 )
+
+ /* Second 5.25" floppy drive */
+ MCFG_LEGACY_FLOPPY_DRIVE_ADD( FLOPPY_1, vtech2_floppy_interface )
+MACHINE_CONFIG_END
+
+
+ROM_START(laser350)
+ ROM_REGION(0x40000,"maincpu",0)
+ ROM_LOAD("laserv3.rom", 0x00000, 0x08000, CRC(9bed01f7) SHA1(3210fddfab2f4c7855fa902fb8e2fc18d10d48f1))
+ ROM_REGION(0x00800,"gfx1",0)
+ ROM_LOAD("laser.fnt", 0x00000, 0x00800, CRC(ed6bfb2a) SHA1(95e247021a10167b9de1d6ffc91ec4ba83b0ec87))
+ ROM_REGION(0x00100,"gfx2",ROMREGION_ERASEFF)
+ /* initialized in init_laser */
+ROM_END
+
+
+ROM_START(laser500) // based on the picture at http://www.8bit-museum.de/hardware/laser500pcb-h.jpg
+// There should be two roms, one 0x2000 long for the font at u10, and one longer one for the os rom at u6.
+ ROM_REGION(0x40000,"maincpu",0)
+ ROM_LOAD("27-0401-00-00.u6", 0x00000, 0x08000, CRC(9bed01f7) SHA1(3210fddfab2f4c7855fa902fb8e2fc18d10d48f1)) // may be dumped at wrong size; label is: "VTL 27-0401-00-00 // 6133-7081 // 8611MAK"
+ ROM_REGION(0x00800,"gfx1",0)
+ ROM_LOAD("27-393-00.u10", 0x00000, 0x00800, BAD_DUMP CRC(ed6bfb2a) SHA1(95e247021a10167b9de1d6ffc91ec4ba83b0ec87)) // dumped at wrong size; correct size is 0x2000; label is "TMS 2364-25NL // D8614L // ZA234015 // 27-393-00/VT 85 // SINGAPORE"
+ ROM_REGION(0x00100,"gfx2",ROMREGION_ERASEFF)
+ /* initialized in init_laser */
+ROM_END
+
+ROM_START(laser700)
+ ROM_REGION(0x40000,"maincpu",0)
+ ROM_LOAD("laserv3.rom", 0x00000, 0x08000, CRC(9bed01f7) SHA1(3210fddfab2f4c7855fa902fb8e2fc18d10d48f1))
+ ROM_REGION(0x00800,"gfx1",0)
+ ROM_LOAD("laser.fnt", 0x00000, 0x00800, CRC(ed6bfb2a) SHA1(95e247021a10167b9de1d6ffc91ec4ba83b0ec87))
+ ROM_REGION(0x00100,"gfx2",ROMREGION_ERASEFF)
+ /* initialized in init_laser */
+ROM_END
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
+COMP( 1984?, laser350, 0, 0, laser350, laser350, vtech2_state, laser, "Video Technology", "Laser 350" , 0)
+COMP( 1984?, laser500, laser350, 0, laser500, laser500, vtech2_state, laser, "Video Technology", "Laser 500" , 0)
+COMP( 1984?, laser700, laser350, 0, laser700, laser500, vtech2_state, laser, "Video Technology", "Laser 700" , 0)