/*************************************************************************** MIKRO80 driver by Miodrag Milanovic 10/03/2008 Preliminary driver. ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "sound/wave.h" #include "includes/mikro80.h" #include "imagedev/cartslot.h" #include "formats/rk_cas.h" #include "sound/dac.h" /* Address maps */ static ADDRESS_MAP_START(mikro80_mem, AS_PROGRAM, 8, mikro80_state ) AM_RANGE( 0x0000, 0x07ff ) AM_RAMBANK("bank1") // First bank AM_RANGE( 0x0800, 0xdfff ) AM_RAM // RAM AM_RANGE( 0xe000, 0xe7ff ) AM_RAM AM_SHARE("cursor_ram")// Video RAM AM_RANGE( 0xe800, 0xefff ) AM_RAM AM_SHARE("video_ram") // Video RAM AM_RANGE( 0xd000, 0xf7ff ) AM_RAM // RAM AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM ADDRESS_MAP_END static ADDRESS_MAP_START( mikro80_io , AS_IO, 8, mikro80_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x01, 0x01) AM_READWRITE(mikro80_tape_r, mikro80_tape_w ) AM_RANGE( 0x04, 0x07) AM_READWRITE(mikro80_keyboard_r, mikro80_keyboard_w ) ADDRESS_MAP_END static ADDRESS_MAP_START( kristall_io , AS_IO, 8, mikro80_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x00, 0x03) AM_DEVREADWRITE("ppi8255", i8255_device, read, write) ADDRESS_MAP_END static ADDRESS_MAP_START( radio99_io , AS_IO, 8, mikro80_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x01, 0x01) AM_READWRITE(mikro80_tape_r, mikro80_tape_w ) AM_RANGE( 0x04, 0x04) AM_DEVWRITE("dac", dac_device, write_unsigned8) AM_RANGE( 0x05, 0x05) AM_READWRITE(mikro80_8255_portc_r, mikro80_8255_portc_w ) AM_RANGE( 0x06, 0x06) AM_READ(mikro80_8255_portb_r) AM_RANGE( 0x07, 0x07) AM_WRITE(mikro80_8255_porta_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( mikro80 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') 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_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('@') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') 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_C) PORT_CHAR('C') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') 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_K) PORT_CHAR('K') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('~') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("<>") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('_') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) 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("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rus/Lat") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END /* F4 Character Displayer */ static const gfx_layout mikro80_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( mikro80 ) GFXDECODE_ENTRY( "gfx1", 0x0000, mikro80_charlayout, 0, 1 ) GFXDECODE_END static MACHINE_CONFIG_START( mikro80, mikro80_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I8080, 2000000) MCFG_CPU_PROGRAM_MAP(mikro80_mem) MCFG_CPU_IO_MAP(mikro80_io) MCFG_DEVICE_ADD("ppi8255", I8255, 0) MCFG_I8255_OUT_PORTA_CB(WRITE8(mikro80_state, mikro80_8255_porta_w)) MCFG_I8255_IN_PORTB_CB(READ8(mikro80_state, mikro80_8255_portb_r)) MCFG_I8255_IN_PORTC_CB(READ8(mikro80_state, mikro80_8255_portc_r)) /* 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(64*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0, 64*8-1, 0, 32*8-1) MCFG_SCREEN_UPDATE_DRIVER(mikro80_state, screen_update_mikro80) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", mikro80) MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_CASSETTE_ADD( "cassette" ) MCFG_CASSETTE_FORMATS(rk8_cassette_formats) MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( radio99, mikro80 ) /* basic machine hardware */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_IO_MAP(radio99_io) MCFG_SOUND_ADD("dac", DAC, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 16.00) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( kristall, mikro80 ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_IO_MAP(kristall_io) MACHINE_CONFIG_END /* ROM definition */ ROM_START( mikro80 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "mikro80.rom", 0xf800, 0x0800, CRC(63a4b72a) SHA1(6bd3e396539a15e2ccffa7486cae06ef6ddd1d03)) ROM_REGION(0x0800, "gfx1",0) ROM_LOAD ("mikro80.fnt", 0x0000, 0x0800, CRC(43eb72bb) SHA1(761319cc6747661b33e84aa449cec83800543b5b) ) ROM_END ROM_START( radio99 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "monrk88.bin", 0xf800, 0x0800, CRC(5415D847) SHA1(c8233c72548bc79846b9d998766a10df349c5bda)) ROM_REGION(0x0800, "gfx1",0) ROM_LOAD ("mikro80.fnt", 0x0000, 0x0800, CRC(43eb72bb) SHA1(761319cc6747661b33e84aa449cec83800543b5b) ) ROM_END ROM_START( kristall2 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "kristall-2.rom", 0xf800, 0x0800, CRC(e1b5c60f) SHA1(8ce5158def7fca91ec7e11efbb10aa5d70b7c36d)) ROM_REGION(0x0800, "gfx1",0) ROM_LOAD( "kristall-2.fnt", 0x0000, 0x0800, CRC(9661c9f5) SHA1(830c38735dcb1c8a271fa0027f94b4e034848fc8)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1983, mikro80, 0, 0, mikro80, mikro80, mikro80_state, mikro80, "", "Mikro-80", 0) COMP( 1993, radio99, mikro80, 0, radio99, mikro80, mikro80_state, radio99, "", "Radio-99DM", 0) COMP( 1987, kristall2, mikro80, 0, kristall, mikro80, mikro80_state, mikro80, "", "Kristall-2", 0)