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-rw-r--r--src/mess/drivers/dai.c260
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diff --git a/src/mess/drivers/dai.c b/src/mess/drivers/dai.c
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+++ b/src/mess/drivers/dai.c
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+/*******************************************************************************
+
+DAI driver by Krzysztof Strzecha and Nathan Woods
+
+What's new:
+-----------
+21.05.2004 TMS5501 fixes. Debug code cleanups.
+06.03.2004 Stack overflow interrupt added.
+05.09.2003 Random number generator added. Few video hardware bugs fixed.
+ Fixed few I8080 instructions, making much more BASIC games playable.
+
+Notes on emulation status and to do list:
+-----------------------------------------
+1. A lot to do. Too much to list.
+
+DAI technical information
+==========================
+
+CPU:
+----
+ I8080 2MHz
+
+
+Memory map:
+-----------
+ 0000-bfff RAM
+ c000-dfff ROM (non-switchable)
+ e000-efff ROM (4 switchable banks)
+ f000-f7ff ROM extension (optional)
+ f800-f8ff SRAM (stack)
+ f900-ffff I/O
+ f900-faff spare
+ fb00-fbff AMD9511 math chip (optional)
+ fc00-fcff 8253 programmable interval timer
+ fd00-fdff discrete devices
+ fe00-feff 8255 PIO (DCE bus)
+ ff00-ffff timer + 5501 interrupt controller
+
+Interrupts:
+-----------
+
+
+Keyboard:
+---------
+
+
+Video:
+-----
+
+
+Sound:
+------
+
+
+Timings:
+--------
+
+
+*******************************************************************************/
+
+#include "emu.h"
+#include "includes/dai.h"
+
+/* I/O ports */
+static ADDRESS_MAP_START( dai_io , AS_IO, 8, dai_state )
+ADDRESS_MAP_END
+
+/* memory w/r functions */
+static ADDRESS_MAP_START( dai_mem , AS_PROGRAM, 8, dai_state )
+ AM_RANGE( 0x0000, 0xbfff) AM_RAMBANK("bank1")
+ AM_RANGE( 0xc000, 0xdfff) AM_ROM
+ AM_RANGE( 0xe000, 0xefff) AM_ROMBANK("bank2")
+ AM_RANGE( 0xf000, 0xf7ff) AM_WRITE(dai_stack_interrupt_circuit_w )
+ AM_RANGE( 0xf800, 0xf8ff) AM_RAM
+ AM_RANGE( 0xfb00, 0xfbff) AM_READWRITE(dai_amd9511_r, dai_amd9511_w )
+ AM_RANGE( 0xfc00, 0xfcff) AM_READWRITE(dai_pit_r, dai_pit_w) // AM_DEVREADWRITE_LEGACY("pit8253", pit8253_r, pit8253_w )
+ AM_RANGE( 0xfd00, 0xfdff) AM_READWRITE(dai_io_discrete_devices_r, dai_io_discrete_devices_w )
+ AM_RANGE( 0xfe00, 0xfeff) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
+ AM_RANGE( 0xff00, 0xffff) AM_DEVREADWRITE("tms5501", tms5501_device, read, write )
+ADDRESS_MAP_END
+
+
+/* keyboard input */
+static INPUT_PORTS_START (dai)
+ PORT_START("IN0") /* [0] - port ff07 bit 0 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN1") /* [1] - port ff07 bit 1 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN2") /* [2] - port ff07 bit 2 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR(':') PORT_CHAR('*')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN3") /* [3] - port ff07 bit 3 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('[') PORT_CHAR(']')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN4") /* [4] - port ff07 bit 4 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('^') PORT_CHAR('~')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN5") /* [5] - port ff07 bit 5 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN6") /* [6] - port ff07 bit 6 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Rept") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN7") /* [7] - port ff07 bit 7 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Char del") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_START("IN8") /* [8] */
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_VBLANK("screen")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(1)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(2)
+ PORT_BIT(0xcb, IP_ACTIVE_HIGH, IPT_UNUSED)
+INPUT_PORTS_END
+
+static const struct CassetteOptions dai_cassette_options = {
+ 1, /* channels */
+ 16, /* bits per sample */
+ 44100 /* sample frequency */
+};
+
+static const cassette_interface dai_cassette_interface =
+{
+ cassette_default_formats,
+ &dai_cassette_options,
+ (cassette_state)(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED),
+ NULL,
+ NULL
+};
+
+/* F4 Character Displayer */
+static const gfx_layout dai_charlayout =
+{
+ 8, 16, /* 8 x 16 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7, 6, 5, 4, 3, 2, 1, 0 },
+ /* y offsets */
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
+ 8*16 /* every char takes 16 bytes */
+};
+
+static GFXDECODE_START( dai )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, dai_charlayout, 0, 8 )
+GFXDECODE_END
+
+/* machine definition */
+static MACHINE_CONFIG_START( dai, dai_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", I8080, 2000000)
+ MCFG_CPU_PROGRAM_MAP(dai_mem)
+ MCFG_CPU_IO_MAP(dai_io)
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ MCFG_MACHINE_START( dai )
+ MCFG_MACHINE_RESET( dai )
+
+ MCFG_PIT8253_ADD( "pit8253", dai_pit8253_intf )
+
+ MCFG_I8255_ADD( "ppi8255", dai_ppi82555_intf )
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE(1056, 542)
+ MCFG_SCREEN_VISIBLE_AREA(0, 1056-1, 0, 302-1)
+ MCFG_SCREEN_UPDATE_STATIC( dai )
+
+ MCFG_GFXDECODE(dai)
+ MCFG_PALETTE_LENGTH(sizeof (dai_palette) / 3)
+ MCFG_PALETTE_INIT( dai )
+
+ MCFG_VIDEO_START( dai )
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, CASSETTE_TAG)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("custom", DAI_SOUND, 0)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 0.50)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 0.50)
+
+ /* cassette */
+ MCFG_CASSETTE_ADD( CASSETTE_TAG, dai_cassette_interface )
+
+ /* tms5501 */
+ MCFG_TMS5501_ADD( "tms5501", 2000000, dai_tms5501_interface )
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("48K")
+MACHINE_CONFIG_END
+
+#define io_dai io_NULL
+
+ROM_START(dai)
+ ROM_REGION(0x14000,"maincpu",0)
+ ROM_LOAD("dai.bin", 0xc000, 0x2000, CRC(ca71a7d5) SHA1(6bbe2336c717354beab2ae201debeb4fd055bdcb))
+ ROM_LOAD("dai00.bin", 0x10000, 0x1000, CRC(fa7d39ac) SHA1(3d1824a1f273882f934249ef3cb1b38ef99de7b9))
+ ROM_LOAD("dai01.bin", 0x11000, 0x1000, CRC(cb5809f2) SHA1(523656f0a9d98888cd3e2bd66886c589e9ae75b4))
+ ROM_LOAD("dai02.bin", 0x12000, 0x1000, CRC(03f72d4a) SHA1(573d65dc82321970dcaf81d7638a02252ea18a7a))
+ ROM_LOAD("dai03.bin", 0x13000, 0x1000, CRC(c475c96f) SHA1(96fc3cc4b8a2873f0d044bd8033d1e7b7197dd97))
+ ROM_REGION(0x2000, "gfx1",0)
+ ROM_LOAD ("nch.bin", 0x0000, 0x1000, CRC(a9f5b30b) SHA1(24119b2984ab4e50dc0dabae1065ff6d6c1f237d))
+ROM_END
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
+COMP( 1978, dai, 0, 0, dai, dai, driver_device, 0, "Data Applications International", "DAI Personal Computer", 0)