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Diffstat (limited to 'src/mame/drivers/ondra.cpp')
-rw-r--r--src/mame/drivers/ondra.cpp225
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diff --git a/src/mame/drivers/ondra.cpp b/src/mame/drivers/ondra.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic
-/*****************************************************************************
-
-Ondra driver by Miodrag Milanovic
-
-2008-09-08 Preliminary driver.
-
-ToDo:
-- Paste/Natural keyboard are useless because 3rd modifier key is not supported.
-- Add 2x i8253 pits which are part of the video timing circuit. They are not
- connected to the data bus, and are always selected.
-- The video is somewhat similar to the standard super80, in that the CPU is
- turned off by BUSRQ about half the time, so that the video can be drawn
- without causing snow. The CPU can gain full control by disabling the video.
-- Sound is a speaker connected to a multivibrator circuit. There are 3 diodes
- from this circuit to allow a choice of 7 frequencies. We have used a buzzer
- with selected arbitrary frequencies, not having any idea what they should be.
-- Ondrav: can load from softlist. Load the tape then press Enter.
-- Ondrav: doesn't seem to accept any other commands, need instructions.
- You have to press Esc before trying again.
-- Ondrat: Doesn't load from softlist
-- Cassette: don't know how to save.
-
-******************************************************************************/
-
-
-#include "emu.h"
-#include "includes/ondra.h"
-#include "cpu/z80/z80.h"
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-
-
-/* Address maps */
-void ondra_state::mem_map(address_map &map)
-{
- map(0x0000, 0x3fff).bankrw("bank1");
- map(0x4000, 0xdfff).bankrw("bank2");
- map(0xe000, 0xffff).bankrw("bank3");
-}
-
-void ondra_state::io_map(address_map &map)
-{
- //map.global_mask(0x0b);
- map.unmap_value_high();
- map(0x03, 0x03).mirror(0xff00).w(FUNC(ondra_state::port03_w));
- //map(0x09, 0x09).mirror(0xff00).r(FUNC(ondra_state::port09_r));
- map(0x0a, 0x0a).mirror(0xff00).w(FUNC(ondra_state::port0a_w));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( ondra )
- PORT_START("LINE0")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R 4 $") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E 3 #") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') PORT_CHAR('3') PORT_CHAR('#')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W 2 \"") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') PORT_CHAR('2') PORT_CHAR('\"')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T 5 %") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') PORT_CHAR('5') PORT_CHAR('%')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q 1 !") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') PORT_CHAR('1') PORT_CHAR('!')
- PORT_START("LINE1")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F ^") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') PORT_CHAR('^')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D =") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') PORT_CHAR('=')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S +") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') PORT_CHAR('+')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G _") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') PORT_CHAR('_')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A -") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') PORT_CHAR('-')
- PORT_START("LINE2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C :") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') PORT_CHAR(':')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X /") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') PORT_CHAR('/')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z *") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') PORT_CHAR('*')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V ;") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') PORT_CHAR(';')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_RSHIFT) //PORT_CHAR(UCHAR_SHIFT_3) not supported yet
- 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_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_CHAR(UCHAR_SHIFT_2)
- 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_CHAR(UCHAR_SHIFT_1)
- PORT_START("LINE5")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J >") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') PORT_CHAR('>')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K [") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') PORT_CHAR('[')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L ]") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') PORT_CHAR(']')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H <") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') PORT_CHAR('<')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
- PORT_START("LINE6")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U 7 \'") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') PORT_CHAR('7') PORT_CHAR('\'')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I 8 (") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') PORT_CHAR('8') PORT_CHAR('(')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O 9 )") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') PORT_CHAR('9') PORT_CHAR(')')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y 6 &") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') PORT_CHAR('6') PORT_CHAR('&')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P 0 @") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') PORT_CHAR('0') PORT_CHAR('@')
- PORT_START("LINE7")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N ,") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') PORT_CHAR(',')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M .") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') PORT_CHAR('.')
- 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_CHAR('B') PORT_CHAR('b') PORT_CHAR('?')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
- 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_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_START("NMI")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NMI") PORT_CODE(KEYCODE_ESC) PORT_CHANGED_MEMBER(DEVICE_SELF, ondra_state, nmi_button, 0)
-INPUT_PORTS_END
-
-INPUT_CHANGED_MEMBER(ondra_state::nmi_button)
-{
- m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? ASSERT_LINE : CLEAR_LINE);
-}
-
-u32 ondra_state::screen_update_ondra(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- u8 *r = m_ram->pointer();
-
- u8 code1=0,code2=0;
- int y, x, b;
- int Vaddr = 0x2800;
-
- for (x = 0; x < 40; x++)
- {
- for (y = 127; y >=0; y--)
- {
- if (m_video_enable)
- {
- code1 = r[0xd700 + Vaddr + 0x80];
- code2 = r[0xd700 + Vaddr + 0x00];
- }
- for (b = 0; b < 8; b++)
- {
- bitmap.pix16(2*y, x*8+b) = ((code1 << b) & 0x80) ? 1 : 0;
- bitmap.pix16(2*y+1, x*8+b) = ((code2 << b) & 0x80) ? 1 : 0;
- }
- Vaddr++;
- }
- Vaddr = (Vaddr - 128) - 256;
- }
- return 0;
-}
-
-WRITE_LINE_MEMBER(ondra_state::vblank_irq)
-{
- if (state)
- m_maincpu->set_input_line(0, HOLD_LINE);
-}
-
-/* Machine driver */
-void ondra_state::ondra(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, 8_MHz_XTAL / 4);
- m_maincpu->set_addrmap(AS_PROGRAM, &ondra_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &ondra_state::io_map);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- screen.set_size(320, 256);
- screen.set_visarea(0, 320-1, 0, 256-1);
- screen.set_screen_update(FUNC(ondra_state::screen_update_ondra));
- screen.set_palette("palette");
- screen.screen_vblank().set(FUNC(ondra_state::vblank_irq));
-
- PALETTE(config, "palette", palette_device::MONOCHROME);
-
- // sound hardware
- SPEAKER(config, "mono").front_center();
- BEEP(config, m_beep, 950); // guess
- m_beep->add_route(ALL_OUTPUTS, "mono", 0.25);
-
- CASSETTE(config, m_cassette);
- m_cassette->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
- m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05);
- m_cassette->set_interface("ondra_cass");
-
- SOFTWARE_LIST(config, "cass_list").set_original("ondra");
-
- /* internal ram */
- RAM(config, RAM_TAG).set_default_size("64K").set_default_value(0x00);
-}
-
-/* ROM definition */
-
-ROM_START( ondrat )
- ROM_REGION( 0x4000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "tesla_a.d22", 0x0000, 0x0800, CRC(6d56b815) SHA1(7feb4071d5142e4c2f891747b75fa4d48ccad262) )
- ROM_LOAD( "tesla_b.d21", 0x2000, 0x0800, CRC(5f145eaa) SHA1(c1eac68b13fedc4d0d6f98b15e2a5397f0139dc3) )
-
- ROM_REGION( 0x0040, "proms", 0 )
- ROM_LOAD( "mh74188.d27", 0x0000, 0x0040, CRC(7faceafe) SHA1(597f867e38b1c66d4622662cb01b3aefa680f234) )
-ROM_END
-
-ROM_START( ondrav )
- ROM_REGION( 0x4000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "vili_a.d22", 0x0000, 0x0800, CRC(76932657) SHA1(1f3700f670f158e4bed256aed751e2c1331a28e8) )
- ROM_RELOAD(0x0800, 0x0800)
- ROM_RELOAD(0x1000, 0x0800)
- ROM_RELOAD(0x1800, 0x0800)
- ROM_LOAD( "vili_b.d21", 0x2000, 0x0800, CRC(03a6073f) SHA1(66f198e63f473e09350bcdbb10fe0cf440111bec) )
- ROM_RELOAD(0x2800, 0x0800)
- ROM_RELOAD(0x3000, 0x0800)
- ROM_RELOAD(0x3800, 0x0800)
-
- ROM_REGION( 0x0040, "proms", 0 )
- ROM_LOAD( "mh74188.d27", 0x0000, 0x0040, CRC(7faceafe) SHA1(597f867e38b1c66d4622662cb01b3aefa680f234) )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1989, ondrat, 0, 0, ondra, ondra, ondra_state, empty_init, "Tesla", "Ondra", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
-COMP( 1989, ondrav, ondrat, 0, ondra, ondra, ondra_state, empty_init, "ViLi", "Ondra ViLi", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )