/*************************************************************************** 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) { } DECLARE_WRITE_LINE_MEMBER(mikrosha_pit_out2); I8275_DRAW_CHARACTER_MEMBER(display_pixels); }; /* 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( 0x8000, 0xbfff ) AM_READ(radio_cpu_state_r) // Not connected 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, radio86 ) 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_SOFTWARE_LIST_ADD("cass_list","mikrosha") 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, "", "Mikrosha-86RK", 0)