diff options
Diffstat (limited to 'src/mame/drivers/ut88.cpp')
-rw-r--r-- | src/mame/drivers/ut88.cpp | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/mame/drivers/ut88.cpp b/src/mame/drivers/ut88.cpp new file mode 100644 index 00000000000..adcb42cf7e6 --- /dev/null +++ b/src/mame/drivers/ut88.cpp @@ -0,0 +1,265 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + UT88 driver by Miodrag Milanovic + + 09/03/2008 Keyboard fixed, sound added. + 06/03/2008 Preliminary driver. + +UT88MINI +******** +Need instructions... +When started you enter a one-key command, followed by whatever parameters +are needed. + +Pressing 1 will allow entry of bytes into RAM, however the system doesn't +allow you to view memory (afaik). + +Command 3 does a test of the display, however the rest are a mystery. + +Paste facility was tested but doesn't work, so all code remnants removed. + +****************************************************************************/ + +#include "includes/ut88.h" +#include "formats/rk_cas.h" +#include "softlist.h" +#include "ut88mini.lh" + +static GFXDECODE_START( ut88 ) + GFXDECODE_ENTRY( "chargen", 0x0000, ut88_charlayout, 0, 1 ) +GFXDECODE_END + +/* Address maps */ +static ADDRESS_MAP_START( ut88mini_mem, AS_PROGRAM, 8, ut88_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x03ff ) AM_ROM // System ROM + AM_RANGE( 0xc000, 0xc3ff ) AM_RAM // RAM + AM_RANGE( 0x9000, 0x9fff ) AM_WRITE(ut88mini_write_led) // 7seg LED +ADDRESS_MAP_END + +static ADDRESS_MAP_START( ut88_mem, AS_PROGRAM, 8, ut88_state ) + AM_RANGE( 0x0000, 0x07ff ) AM_RAMBANK("bank1") // First bank + AM_RANGE( 0x0800, 0xdfff ) AM_RAM // RAM + AM_RANGE( 0xe000, 0xe7ff ) AM_RAM // Video RAM (not used) + AM_RANGE( 0xe800, 0xefff ) AM_RAM AM_SHARE("p_videoram") // Video RAM + AM_RANGE( 0xf400, 0xf7ff ) AM_RAM // System RAM + AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( ut88mini_io, AS_IO, 8, ut88_state ) + AM_RANGE( 0xA0, 0xA0) AM_READ(ut88mini_keyboard_r) + AM_RANGE( 0xA1, 0xA1) AM_READ(ut88_tape_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( ut88_io, AS_IO, 8, ut88_state ) + AM_RANGE( 0x04, 0x07) AM_READWRITE(ut88_keyboard_r, ut88_keyboard_w) + AM_RANGE( 0xA1, 0xA1) AM_READWRITE(ut88_tape_r, ut88_sound_w) +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( ut88 ) + 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('\xA4') + 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_HIGH, 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_INSERT) 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_HIGH, 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_HIGH, 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_HIGH, 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_HIGH, 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_HIGH, 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_HIGH, 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_HIGH, 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_HIGH, IPT_UNUSED) + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) +INPUT_PORTS_END + +static INPUT_PORTS_START( ut88mini ) + PORT_START("LINE0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_0) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_1) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_2) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_3) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_4) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_5) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_6) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_7) + + PORT_START("LINE1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_8) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_9) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_A) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_B) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_C) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_D) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_E) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CODE(KEYCODE_F) + + PORT_START("LINE2") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) +INPUT_PORTS_END + +/* Machine driver */ +static MACHINE_CONFIG_START( ut88, ut88_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", I8080, 2000000) + MCFG_CPU_PROGRAM_MAP(ut88_mem) + MCFG_CPU_IO_MAP(ut88_io) + MCFG_MACHINE_RESET_OVERRIDE(ut88_state, ut88 ) + + /* 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, 28*8) + MCFG_SCREEN_VISIBLE_AREA(0, 64*8-1, 0, 28*8-1) + MCFG_VIDEO_START_OVERRIDE(ut88_state,ut88) + MCFG_SCREEN_UPDATE_DRIVER(ut88_state, screen_update_ut88) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") + MCFG_GFXDECODE_ADD("gfxdecode", "palette", ut88 ) + + /* audio hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("dac", DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + /* Devices */ + MCFG_DEVICE_ADD("ppi8255", I8255A, 0) + MCFG_I8255_OUT_PORTA_CB(WRITE8(ut88_state, ut88_8255_porta_w)) + MCFG_I8255_IN_PORTB_CB(READ8(ut88_state, ut88_8255_portb_r)) + MCFG_I8255_IN_PORTC_CB(READ8(ut88_state, ut88_8255_portc_r)) + + MCFG_CASSETTE_ADD( "cassette" ) + MCFG_CASSETTE_FORMATS(rku_cassette_formats) + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED) + MCFG_CASSETTE_INTERFACE("ut88_cass") + + MCFG_SOFTWARE_LIST_ADD("cass_list","ut88") +MACHINE_CONFIG_END + +static MACHINE_CONFIG_START( ut88mini, ut88_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", I8080, 2000000) + MCFG_CPU_PROGRAM_MAP(ut88mini_mem) + MCFG_CPU_IO_MAP(ut88mini_io) + MCFG_MACHINE_START_OVERRIDE(ut88_state,ut88mini) + MCFG_MACHINE_RESET_OVERRIDE(ut88_state, ut88mini ) + + /* video hardware */ + MCFG_DEFAULT_LAYOUT(layout_ut88mini) + + /* Cassette */ + 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(rku_cassette_formats) + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED) + MCFG_CASSETTE_INTERFACE("ut88_cass") + + MCFG_SOFTWARE_LIST_ADD("cass_list","ut88") +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( ut88 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "ut88.rom", 0xf800, 0x0800, CRC(f433202e) SHA1(a5808a4f68fb10eb7f17f2a05c3b8479fec0e05d) ) + ROM_REGION(0x0800, "chargen",0) + ROM_LOAD ("ut88.fnt", 0x0000, 0x0800, CRC(874b4d29) SHA1(357efbb295cd9e47fa97d4d03f4f1859a915b5c3) ) +ROM_END + +ROM_START( ut88mini ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "ut88mini.rom", 0x0000, 0x0400, CRC(ce9213ee) SHA1(16b71b3051a800386d664dbcc5983b783475d0c6) ) + ROM_REGION( 0x200, "proms", 0 ) + ROM_LOAD( "ut88key1.rom", 0x0000, 0x0100, CRC(ecfe42c7) SHA1(d7f10bbb05934150c1a258db1c8b4eb65771af59) ) + ROM_LOAD( "ut88key2.rom", 0x0100, 0x0100, CRC(96324d23) SHA1(9dca3f639fc29d87df56505b3dde668ef2849da3) ) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1989, ut88mini, 0, 0, ut88mini, ut88mini, ut88_state, ut88mini, "<unknown>", "UT-88 mini", 0) +COMP( 1989, ut88, ut88mini, 0, ut88, ut88, ut88_state, ut88, "<unknown>", "UT-88", 0) |