diff options
Diffstat (limited to 'src/mame/drivers/mikrosha.c')
-rw-r--r-- | src/mame/drivers/mikrosha.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/mame/drivers/mikrosha.c b/src/mame/drivers/mikrosha.c new file mode 100644 index 00000000000..8320400b4de --- /dev/null +++ b/src/mame/drivers/mikrosha.c @@ -0,0 +1,281 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + Mikrosha driver by Miodrag Milanovic + + 05/06/2008 Preliminary driver. + +****************************************************************************/ + + +#include "emu.h" +#include "cpu/i8085/i8085.h" +#include "sound/wave.h" +#include "machine/i8255.h" +#include "machine/pit8253.h" +#include "imagedev/cassette.h" +#include "formats/rk_cas.h" +#include "includes/radio86.h" + + +class mikrosha_state : public radio86_state +{ +public: + mikrosha_state(const machine_config &mconfig, device_type type, const char *tag) + : radio86_state(mconfig, type, tag), + m_cart(*this, "cartslot") + { } + DECLARE_WRITE_LINE_MEMBER(mikrosha_pit_out2); + I8275_DRAW_CHARACTER_MEMBER(display_pixels); + DECLARE_MACHINE_RESET(mikrosha); + +protected: + required_device<generic_slot_device> m_cart; +}; + +MACHINE_RESET_MEMBER(mikrosha_state,mikrosha) +{ + if (m_cart->exists()) + m_maincpu->space(AS_PROGRAM).install_read_handler(0x8000, 0x8000+m_cart->get_rom_size()-1, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart)); + MACHINE_RESET_CALL_MEMBER(radio86); +} + +/* Address maps */ +static ADDRESS_MAP_START(mikrosha_mem, AS_PROGRAM, 8, mikrosha_state ) + AM_RANGE( 0x0000, 0x0fff ) AM_RAMBANK("bank1") // First bank + AM_RANGE( 0x1000, 0x7fff ) AM_RAM // RAM + AM_RANGE( 0xc000, 0xc003 ) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write) AM_MIRROR(0x07fc) + AM_RANGE( 0xc800, 0xc803 ) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write) AM_MIRROR(0x07fc) + AM_RANGE( 0xd000, 0xd001 ) AM_DEVREADWRITE("i8275", i8275_device, read, write) AM_MIRROR(0x07fe) // video + AM_RANGE( 0xd800, 0xd803 ) AM_DEVREADWRITE("pit8253", pit8253_device, read, write) AM_MIRROR(0x07fc) // Timer + AM_RANGE( 0xe000, 0xf7ff ) AM_READ(radio_cpu_state_r) // Not connected + AM_RANGE( 0xf800, 0xffff ) AM_DEVWRITE("dma8257", i8257_device, write) // DMA + AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( mikrosha_io , AS_IO, 8, mikrosha_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x00, 0xff ) AM_READWRITE(radio_io_r,radio_io_w) +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( mikrosha ) + PORT_START("LINE0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') + + PORT_START("LINE1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') + + PORT_START("LINE2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT(0x04, 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_EQUALS) PORT_CHAR(':') PORT_CHAR('*') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') + + PORT_START("LINE3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR(';') PORT_CHAR('+') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') + + PORT_START("LINE4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PgUp") PORT_CODE(KEYCODE_PGUP) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('\xA4') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\\') + + PORT_START("LINE5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') + + PORT_START("LINE6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Center") PORT_CODE(KEYCODE_F3) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('~') + + PORT_START("LINE7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PgDn") PORT_CODE(KEYCODE_PGDN) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + + PORT_START("LINE8") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + 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(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rus/Lat") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) +INPUT_PORTS_END + +WRITE_LINE_MEMBER(mikrosha_state::mikrosha_pit_out2) +{ +} + +I8275_DRAW_CHARACTER_MEMBER(mikrosha_state::display_pixels) +{ + int i; + const rgb_t *palette = m_palette->palette()->entry_list_raw(); + const UINT8 *charmap = m_charmap + (m_mikrosha_font_page & 1) * 0x400; + UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff; + if(linecount == 8) + pixels = 0; + if (vsp) { + pixels = 0; + } + if (lten) { + pixels = 0xff; + } + if (rvv) { + pixels ^= 0xff; + } + for(i=0;i<6;i++) { + bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1 ? (hlgt ? 2 : 1) : 0]; + } +} + +/* F4 Character Displayer */ +static const gfx_layout mikrosha_charlayout = +{ + 8, 8, /* 8 x 8 characters */ + 256, /* 256 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* 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 GFXDECODE_START( mikrosha ) + GFXDECODE_ENTRY( "gfx1", 0x0000, mikrosha_charlayout, 0, 1 ) +GFXDECODE_END + +static MACHINE_CONFIG_START( mikrosha, mikrosha_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", I8080, XTAL_16MHz / 9) + MCFG_CPU_PROGRAM_MAP(mikrosha_mem) + MCFG_CPU_IO_MAP(mikrosha_io) + + MCFG_MACHINE_RESET_OVERRIDE(mikrosha_state, mikrosha) + + MCFG_DEVICE_ADD("ppi8255_1", I8255, 0) + MCFG_I8255_IN_PORTA_CB(READ8(radio86_state, radio86_8255_portb_r2)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(radio86_state, radio86_8255_porta_w2)) + MCFG_I8255_IN_PORTC_CB(READ8(radio86_state, radio86_8255_portc_r2)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(radio86_state, radio86_8255_portc_w2)) + + MCFG_DEVICE_ADD("ppi8255_2", I8255, 0) + MCFG_I8255_OUT_PORTB_CB(WRITE8(radio86_state, mikrosha_8255_font_page_w)) + + MCFG_DEVICE_ADD("i8275", I8275, XTAL_16MHz / 12) + MCFG_I8275_CHARACTER_WIDTH(6) + MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(mikrosha_state, display_pixels) + MCFG_I8275_DRQ_CALLBACK(DEVWRITELINE("dma8257",i8257_device, dreq2_w)) + + MCFG_DEVICE_ADD("pit8253", PIT8253, 0) + MCFG_PIT8253_CLK0(0) + MCFG_PIT8253_CLK1(0) + MCFG_PIT8253_CLK2(2000000) + MCFG_PIT8253_OUT2_HANDLER(WRITELINE(mikrosha_state, mikrosha_pit_out2)) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_UPDATE_DEVICE("i8275", i8275_device, screen_update) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_SIZE(78*6, 30*10) + MCFG_SCREEN_VISIBLE_AREA(0, 78*6-1, 0, 30*10-1) + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", mikrosha) + MCFG_PALETTE_ADD("palette", 3) + MCFG_PALETTE_INIT_OWNER(mikrosha_state,radio86) + + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + MCFG_DEVICE_ADD("dma8257", I8257, XTAL_16MHz / 9) + MCFG_I8257_OUT_HRQ_CB(WRITELINE(radio86_state, hrq_w)) + MCFG_I8257_IN_MEMR_CB(READ8(radio86_state, memory_read_byte)) + MCFG_I8257_OUT_MEMW_CB(WRITE8(radio86_state, memory_write_byte)) + MCFG_I8257_OUT_IOW_2_CB(DEVWRITE8("i8275", i8275_device, dack_w)) + MCFG_I8257_REVERSE_RW_MODE(1) + + MCFG_CASSETTE_ADD( "cassette" ) + MCFG_CASSETTE_FORMATS(rkm_cassette_formats) + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED) + MCFG_CASSETTE_INTERFACE("mikrosha_cass") + + MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "mikrosha_cart") + MCFG_GENERIC_EXTENSIONS("bin,rom") + + MCFG_SOFTWARE_LIST_ADD("cass_list", "mikrosha_cass") + MCFG_SOFTWARE_LIST_ADD("cart_list", "mikrosha_cart") +MACHINE_CONFIG_END + + +/* ROM definition */ +ROM_START( mikrosha ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "mikrosha.rom", 0xf800, 0x0800, CRC(86a83556) SHA1(94b1baad0a419145939a891ff51f4324e8e4ddd2)) + ROM_REGION(0x0800, "gfx1",0) + ROM_LOAD ("mikrosha.fnt", 0x0000, 0x0800, CRC(b315da1c) SHA1(b5bf9abc0fff75b1aba709a7f08b23d4a89bb04b)) +ROM_END + +ROM_START( m86rk ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "m86rk.bin", 0xf800, 0x0800, CRC(a898d77a) SHA1(c2497bf8434b5028fe0a9fc09be311465d5553a5)) + ROM_REGION(0x0800, "gfx1",0) + /* here should probably be different rom */ + ROM_LOAD ("mikrosha.fnt", 0x0000, 0x0800, CRC(b315da1c) SHA1(b5bf9abc0fff75b1aba709a7f08b23d4a89bb04b)) +ROM_END + +/* Driver */ +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1987, mikrosha, radio86,0, mikrosha, mikrosha, radio86_state, radio86, "Lianozovo Electromechanical Factory", "Mikrosha", 0) +COMP( 1987, m86rk, radio86,0, mikrosha, mikrosha, radio86_state, radio86, "<unknown>", "Mikrosha-86RK", 0) |