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/***************************************************************************

        Ondra driver by Miodrag Milanovic

        08/09/2008 Preliminary driver.

****************************************************************************/


#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/wave.h"
#include "imagedev/cassette.h"
#include "machine/ram.h"
#include "includes/ondra.h"

/* Address maps */
static ADDRESS_MAP_START(ondra_mem, AS_PROGRAM, 8, ondra_state )
	AM_RANGE(0x0000, 0x3fff) AM_RAMBANK("bank1")
	AM_RANGE(0x4000, 0xdfff) AM_RAMBANK("bank2")
	AM_RANGE(0xe000, 0xffff) AM_RAMBANK("bank3")
ADDRESS_MAP_END

static ADDRESS_MAP_START( ondra_io, AS_IO, 8, ondra_state )
	ADDRESS_MAP_GLOBAL_MASK(0x0b)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x03, 0x03) AM_WRITE(ondra_port_03_w)
	//AM_RANGE(0x09, 0x09) AM_WRITE(ondra_port_09_w)
	//AM_RANGE(0x0a, 0x0a) AM_WRITE(ondra_port_0a_w)
ADDRESS_MAP_END

/* Input ports */
static INPUT_PORTS_START( ondra )
	PORT_START("LINE0")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE1")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE2")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_RSHIFT)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE3")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE4")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0-9") PORT_CODE(KEYCODE_RALT)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CS")  PORT_CODE(KEYCODE_LALT)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UpCase") PORT_CODE(KEYCODE_LSHIFT)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE5")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE6")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE7")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE8")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("LINE9")
		PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(JOYCODE_Y_DOWN_SWITCH)  PORT_PLAYER(1)
		PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(JOYCODE_X_LEFT_SWITCH)  PORT_PLAYER(1)
		PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP)   PORT_CODE(KEYCODE_8_PAD) PORT_CODE(JOYCODE_Y_UP_SWITCH)    PORT_PLAYER(1)
		PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_BUTTON1)       PORT_CODE(KEYCODE_0_PAD) PORT_CODE(JOYCODE_BUTTON1)        PORT_PLAYER(1)
		PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT)PORT_CODE(KEYCODE_6_PAD) PORT_CODE(JOYCODE_X_RIGHT_SWITCH) PORT_PLAYER(1)
		PORT_BIT(0xE0, IP_ACTIVE_LOW, IPT_UNUSED)
	PORT_START("NMI")
		PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NMI") PORT_CODE(KEYCODE_ESC)
INPUT_PORTS_END

INTERRUPT_GEN_MEMBER(ondra_state::ondra_interrupt)
{
	device.execute().set_input_line(0, HOLD_LINE);
}

static const cassette_interface ondra_cassette_interface =
{
	cassette_default_formats,
	NULL,
	(cassette_state)(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED),
	"ondra_cass",
	NULL
};

/* Machine driver */
static MACHINE_CONFIG_START( ondra, ondra_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80, 2000000)
	MCFG_CPU_PROGRAM_MAP(ondra_mem)
	MCFG_CPU_IO_MAP(ondra_io)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", ondra_state,  ondra_interrupt)


	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(50)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
	MCFG_SCREEN_SIZE(320, 256)
	MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1)
	MCFG_SCREEN_UPDATE_DRIVER(ondra_state, screen_update_ondra)

	MCFG_PALETTE_LENGTH(2)
	MCFG_PALETTE_INIT_OVERRIDE(driver_device, black_and_white)


	// sound hardware
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)

	MCFG_CASSETTE_ADD( "cassette", ondra_cassette_interface )
	MCFG_SOFTWARE_LIST_ADD("cass_list","ondra")

	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("64K")
	MCFG_RAM_DEFAULT_VALUE(0x00)
MACHINE_CONFIG_END

/* ROM definition */

ROM_START( ondrat )
	ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
	ROM_LOAD( "tesla_a.rom", 0x10000, 0x0800, CRC(6d56b815) SHA1(7feb4071d5142e4c2f891747b75fa4d48ccad262) )
	ROM_COPY( "maincpu", 0x10000, 0x10800, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x11000, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x11800, 0x0800 )
	ROM_LOAD( "tesla_b.rom", 0x12000, 0x0800, CRC(5f145eaa) SHA1(c1eac68b13fedc4d0d6f98b15e2a5397f0139dc3) )
	ROM_COPY( "maincpu", 0x10000, 0x12800, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x13000, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x13800, 0x0800 )
ROM_END

ROM_START( ondrav )
	ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
	ROM_LOAD( "vili_a.rom", 0x10000, 0x0800, CRC(76932657) SHA1(1f3700f670f158e4bed256aed751e2c1331a28e8) )
	ROM_COPY( "maincpu", 0x10000, 0x10800, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x11000, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x11800, 0x0800 )
	ROM_LOAD( "vili_b.rom", 0x12000, 0x0800, CRC(03a6073f) SHA1(66f198e63f473e09350bcdbb10fe0cf440111bec) )
	ROM_COPY( "maincpu", 0x10000, 0x12800, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x13000, 0x0800 )
	ROM_COPY( "maincpu", 0x10000, 0x13800, 0x0800 )
ROM_END

/* Driver */

/*    YEAR  NAME    PARENT  COMPAT  MACHINE     INPUT       INIT     COMPANY          FULLNAME       FLAGS */
COMP( 1989, ondrat, 0,      0,      ondra,      ondra, driver_device,       0,       "Tesla",        "Ondra",       0)
COMP( 1989, ondrav, ondrat, 0,      ondra,      ondra, driver_device,       0,       "ViLi",         "Ondra ViLi",  0)