diff options
Diffstat (limited to 'src/mess/drivers/sg1000.c')
-rw-r--r-- | src/mess/drivers/sg1000.c | 915 |
1 files changed, 0 insertions, 915 deletions
diff --git a/src/mess/drivers/sg1000.c b/src/mess/drivers/sg1000.c deleted file mode 100644 index 4c5c7025d75..00000000000 --- a/src/mess/drivers/sg1000.c +++ /dev/null @@ -1,915 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/* - -Sega SG-1000 - -PCB Layout ----------- - -171-5078 (C) SEGA 1983 -171-5046 REV. A (C) SEGA 1983 - -|---------------------------| |----------------------------| -| SW1 CN2 | |------|---------------| | SW2 CN4 | -| |---| CN3 |---| | -| CN1 CN5 | -| | -| 10.738635MHz |------------------------------| 7805 | -| |---| |------------------------------| | -| | | CN6 | -| | 9 | | -| | 9 | LS32 | -| | 1 | |---------| | -| | 8 | | TMM2009 | LS139 | -| | A | |---------| |------------------| | -| | | | Z80 | | -| |---| |------------------| | -| | -| | -| MB8118 MB8118 MB8118 MB8118 SN76489A SW3 | -| MB8118 MB8118 MB8118 MB8118 LS257 LS257 | -|---------------------------------------------------------------------------------------| - -Notes: - All IC's shown. - - Z80 - NEC D780C-1 / Zilog Z8400A (REV.A) Z80A CPU @ 3.579545 - TMS9918A- Texas Instruments TMS9918ANL Video Display Processor @ 10.738635MHz - MB8118 - Fujitsu MB8118-12 16K x 1 Dynamic RAM - TMM2009 - Toshiba TMM2009P-A / TMM2009P-B (REV.A) - SN76489A- Texas Instruments SN76489AN Digital Complex Sound Generator @ 3.579545 - CN1 - player 1 joystick connector - CN2 - RF video connector - CN3 - keyboard connector - CN4 - power connector (+9VDC) - CN5 - player 2 joystick connector - CN6 - cartridge connector - SW1 - TV channel select switch - SW2 - power switch - SW3 - hold switch - -*/ - -/* - - TODO: - - - SC-3000 return instruction referenced by R when reading ports 60-7f,e0-ff - - connect PSG /READY signal to Z80 WAIT - - accurate video timing - - SP-400 serial printer - - SH-400 racing controller - - SF-7000 serial comms - -*/ - - -#include "includes/sg1000.h" -#include "bus/rs232/rs232.h" - - -/*************************************************************************** - READ/WRITE HANDLERS -***************************************************************************/ - -// TODO: not sure if the OMV bios actually detects the presence of a cart, -// or if the cart data simply overwrites the internal bios... -// for the moment let assume the latter! -READ8_MEMBER( sg1000_state::omv_r ) -{ - if (m_cart && m_cart->exists()) - return m_cart->read_cart(space, offset); - else - return m_rom->base()[offset]; -} - -WRITE8_MEMBER( sg1000_state::omv_w ) -{ - if (m_cart && m_cart->exists()) - m_cart->write_cart(space, offset, data); -} - -/*------------------------------------------------- - joysel_r - --------------------------------------------------*/ - -READ8_MEMBER( sg1000_state::joysel_r ) -{ - return 0x80; -} - -/*------------------------------------------------- - ADDRESS_MAP( sg1000_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sg1000_map, AS_PROGRAM, 8, sg1000_state ) - AM_RANGE(0x0000, 0xbfff) AM_DEVREADWRITE(CARTSLOT_TAG, sega8_cart_slot_device, read_cart, write_cart) - AM_RANGE(0xc000, 0xc3ff) AM_MIRROR(0x3c00) AM_RAM -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( sg1000_io_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sg1000_io_map, AS_IO, 8, sg1000_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x40, 0x40) AM_MIRROR(0x3f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write) - AM_RANGE(0x80, 0x80) AM_MIRROR(0x3e) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, vram_read, vram_write) - AM_RANGE(0x81, 0x81) AM_MIRROR(0x3e) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, register_read, register_write) - AM_RANGE(0xdc, 0xdc) AM_READ_PORT("PA7") - AM_RANGE(0xdd, 0xdd) AM_READ_PORT("PB7") - AM_RANGE(0xde, 0xde) AM_READ(joysel_r) AM_WRITENOP - AM_RANGE(0xdf, 0xdf) AM_NOP -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( omv_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( omv_map, AS_PROGRAM, 8, sg1000_state ) - AM_RANGE(0x0000, 0xbfff) AM_READWRITE(omv_r, omv_w) - AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( omv_io_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( omv_io_map, AS_IO, 8, sg1000_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x40, 0x40) AM_MIRROR(0x3f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write) - AM_RANGE(0x80, 0x80) AM_MIRROR(0x3e) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, vram_read, vram_write) - AM_RANGE(0x81, 0x81) AM_MIRROR(0x3e) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, register_read, register_write) - AM_RANGE(0xc0, 0xc0) AM_MIRROR(0x38) AM_READ_PORT("C0") - AM_RANGE(0xc1, 0xc1) AM_MIRROR(0x38) AM_READ_PORT("C1") - AM_RANGE(0xc2, 0xc2) AM_MIRROR(0x38) AM_READ_PORT("C2") - AM_RANGE(0xc3, 0xc3) AM_MIRROR(0x38) AM_READ_PORT("C3") - AM_RANGE(0xc4, 0xc4) AM_MIRROR(0x3a) AM_READ_PORT("C4") - AM_RANGE(0xc5, 0xc5) AM_MIRROR(0x3a) AM_READ_PORT("C5") -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( sc3000_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sc3000_map, AS_PROGRAM, 8, sg1000_state ) - AM_RANGE(0x0000, 0xbfff) AM_DEVREADWRITE(CARTSLOT_TAG, sega8_cart_slot_device, read_cart, write_cart) - AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( sc3000_io_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sc3000_io_map, AS_IO, 8, sg1000_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x7f, 0x7f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write) - AM_RANGE(0xbe, 0xbe) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, vram_read, vram_write) - AM_RANGE(0xbf, 0xbf) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, register_read, register_write) - AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE(UPD9255_TAG, i8255_device, read, write) -ADDRESS_MAP_END - -/* This is how the I/O ports are really mapped, but MAME does not support overlapping ranges -static ADDRESS_MAP_START( sc3000_io_map, AS_IO, 8, sg1000_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_MIRROR(0xdf) AM_DEVREADWRITE(UPD9255_TAG, i8255_device, read, write) - AM_RANGE(0x00, 0x00) AM_MIRROR(0x7f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write) - AM_RANGE(0x00, 0x00) AM_MIRROR(0xae) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, vram_read, vram_write) - AM_RANGE(0x01, 0x01) AM_MIRROR(0xae) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, register_read, register_write) - AM_RANGE(0x60, 0x60) AM_MIRROR(0x9f) AM_READ(sc3000_r_r) -ADDRESS_MAP_END -*/ - -/*------------------------------------------------- - ADDRESS_MAP( sf7000_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sf7000_map, AS_PROGRAM, 8, sf7000_state ) - AM_RANGE(0x0000, 0x3fff) AM_READ_BANK("bank1") AM_WRITE_BANK("bank2") - AM_RANGE(0x4000, 0xffff) AM_RAM -ADDRESS_MAP_END - -/*------------------------------------------------- - ADDRESS_MAP( sf7000_io_map ) --------------------------------------------------*/ - -static ADDRESS_MAP_START( sf7000_io_map, AS_IO, 8, sf7000_state ) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x7f, 0x7f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write) - AM_RANGE(0xbe, 0xbe) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, vram_read, vram_write) - AM_RANGE(0xbf, 0xbf) AM_DEVREADWRITE(TMS9918A_TAG, tms9918a_device, register_read, register_write) - AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE(UPD9255_0_TAG, i8255_device, read, write) - AM_RANGE(0xe0, 0xe1) AM_DEVICE(UPD765_TAG, upd765a_device, map) - AM_RANGE(0xe4, 0xe7) AM_DEVREADWRITE(UPD9255_1_TAG, i8255_device, read, write) - AM_RANGE(0xe8, 0xe8) AM_DEVREADWRITE(UPD8251_TAG, i8251_device, data_r, data_w) - AM_RANGE(0xe9, 0xe9) AM_DEVREADWRITE(UPD8251_TAG, i8251_device, status_r, control_w) -ADDRESS_MAP_END - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -/*------------------------------------------------- - INPUT_CHANGED_MEMBER( trigger_nmi ) --------------------------------------------------*/ - -INPUT_CHANGED_MEMBER( sg1000_state::trigger_nmi ) -{ - m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE); -} - -/*------------------------------------------------- - INPUT_PORTS( sg1000 ) --------------------------------------------------*/ - -static INPUT_PORTS_START( sg1000 ) - PORT_START("PA7") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) - - PORT_START("PB7") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) - PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("NMI") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_NAME("PAUSE") PORT_CODE(KEYCODE_P) PORT_CHANGED_MEMBER(DEVICE_SELF, sg1000_state, trigger_nmi, 0) -INPUT_PORTS_END - -/*------------------------------------------------- - INPUT_PORTS( omv ) --------------------------------------------------*/ - -static INPUT_PORTS_START( omv ) - PORT_START("C0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("C1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("9 #") PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("0 *") PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("C2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("C3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') - PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("C4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("S-1") - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("S-2") - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) - - PORT_START("C5") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) - PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) -INPUT_PORTS_END - -/*------------------------------------------------- - INPUT_PORTS( sk1100 ) --------------------------------------------------*/ - -INPUT_PORTS_START( sk1100 ) - PORT_START("PA0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENG DIER'S") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT)) - 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_K) PORT_CHAR('K') PORT_CHAR('k') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') - - PORT_START("PA1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPC") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') - - PORT_START("PA2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HOME CLR") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') - - PORT_START("PA3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INS DEL") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_SMALL_PI) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(0x03c0) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`') - - PORT_START("PA4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{') - - PORT_START("PA5") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CR") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PA6") - 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_U) PORT_CHAR('U') PORT_CHAR('u') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PA7") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) - - PORT_START("PB0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PB1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PB2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PB3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PB4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('^') - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("PB5") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xc2\xa5") PORT_CODE(KEYCODE_TILDE) PORT_CHAR(0x00a5) - PORT_BIT( 0x06, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNC") PORT_CODE(KEYCODE_TAB) - - PORT_START("PB6") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BREAK") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GRAPH") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - - PORT_START("PB7") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) - - PORT_START("NMI") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RESET") PORT_CODE(KEYCODE_F10) PORT_CHANGED_MEMBER(DEVICE_SELF, sg1000_state, trigger_nmi, 0) -INPUT_PORTS_END - -/*------------------------------------------------- - INPUT_PORTS( sc3000 ) --------------------------------------------------*/ - -static INPUT_PORTS_START( sc3000 ) - PORT_INCLUDE( sk1100 ) -INPUT_PORTS_END - -/*------------------------------------------------- - INPUT_PORTS( sf7000 ) --------------------------------------------------*/ - -static INPUT_PORTS_START( sf7000 ) - PORT_INCLUDE( sk1100 ) - - PORT_START("BAUD") - PORT_CONFNAME( 0x07, 0x05, "Baud rate") - PORT_CONFSETTING( 0x00, "9600 baud" ) - PORT_CONFSETTING( 0x01, "4800 baud" ) - PORT_CONFSETTING( 0x02, "2400 baud" ) - PORT_CONFSETTING( 0x03, "1200 baud" ) - PORT_CONFSETTING( 0x04, "600 baud" ) - PORT_CONFSETTING( 0x05, "300 baud" ) -INPUT_PORTS_END - -/*************************************************************************** - DEVICE CONFIGURATION -***************************************************************************/ - -/*------------------------------------------------- - TMS9928a_interface tms9928a_interface --------------------------------------------------*/ - -WRITE_LINE_MEMBER(sg1000_state::sg1000_vdp_interrupt) -{ - m_maincpu->set_input_line(INPUT_LINE_IRQ0, state); -} - -/*------------------------------------------------- - I8255 INTERFACE --------------------------------------------------*/ - -READ8_MEMBER( sc3000_state::ppi_pa_r ) -{ - /* - Signal Description - - PA0 Keyboard input - PA1 Keyboard input - PA2 Keyboard input - PA3 Keyboard input - PA4 Keyboard input - PA5 Keyboard input - PA6 Keyboard input - PA7 Keyboard input - */ - - return m_key_row[m_keylatch]->read(); -} - -READ8_MEMBER( sc3000_state::ppi_pb_r ) -{ - /* - Signal Description - - PB0 Keyboard input - PB1 Keyboard input - PB2 Keyboard input - PB3 Keyboard input - PB4 /CONT input from cartridge terminal B-11 - PB5 FAULT input from printer - PB6 BUSY input from printer - PB7 Cassette tape input - */ - - /* keyboard */ - UINT8 data = m_key_row[m_keylatch + 8]->read(); - - /* cartridge contact */ - data |= 0x10; - - /* printer */ - data |= 0x60; - - /* tape input */ - if (m_cassette->input() > +0.0) data |= 0x80; - - return data; -} - -WRITE8_MEMBER( sc3000_state::ppi_pc_w ) -{ - /* - Signal Description - - PC0 Keyboard raster output - PC1 Keyboard raster output - PC2 Keyboard raster output - PC3 not connected - PC4 Cassette tape output - PC5 DATA to printer - PC6 /RESET to printer - PC7 /FEED to printer - */ - - /* keyboard */ - m_keylatch = data & 0x07; - - /* cassette */ - m_cassette->output( BIT(data, 4) ? +1.0 : -1.0); - - /* TODO printer */ -} - -/*------------------------------------------------- - I8255 INTERFACE --------------------------------------------------*/ - -WRITE_LINE_MEMBER( sf7000_state::write_centronics_busy ) -{ - m_centronics_busy = state; -} - -READ8_MEMBER( sf7000_state::ppi_pa_r ) -{ - /* - Signal Description - - PA0 INT from FDC - PA1 BUSY from Centronics printer - PA2 INDEX from FDD - PA3 - PA4 - PA5 - PA6 - PA7 - */ - - UINT8 data = 0; - - data |= m_fdc->get_irq() ? 0x01 : 0x00; - data |= m_centronics_busy << 1; - data |= m_floppy0->idx_r() << 2; - - return data; -} - -WRITE8_MEMBER( sf7000_state::ppi_pc_w ) -{ - /* - Signal Description - - PC0 /INUSE signal to FDD - PC1 /MOTOR ON signal to FDD - PC2 TC signal to FDC - PC3 RESET signal to FDC - PC4 not connected - PC5 not connected - PC6 /ROM SEL (switch between IPL ROM and RAM) - PC7 /STROBE to Centronics printer - */ - - if (!BIT(data, 0)) - m_fdc->set_floppy(m_floppy0); - else - m_fdc->set_floppy(NULL); - - /* floppy motor */ - m_floppy0->mon_w(BIT(data, 1)); - - /* FDC terminal count */ - m_fdc->tc_w(BIT(data, 2)); - - /* FDC reset */ - if (BIT(data, 3)) - { - m_fdc->reset(); - } - - /* ROM selection */ - membank("bank1")->set_entry(BIT(data, 6)); - - /* printer strobe */ - m_centronics->write_strobe(BIT(data, 7)); -} - -/*------------------------------------------------- - upd765_interface sf7000_upd765_interface --------------------------------------------------*/ - -FLOPPY_FORMATS_MEMBER( sf7000_state::floppy_formats ) - FLOPPY_SF7000_FORMAT -FLOPPY_FORMATS_END - -/*------------------------------------------------- - floppy_interface sf7000_floppy_interface --------------------------------------------------*/ - -static SLOT_INTERFACE_START( sf7000_floppies ) - SLOT_INTERFACE( "3ssdd", FLOPPY_3_SSDD ) -SLOT_INTERFACE_END - -/*------------------------------------------------- - MACHINE_START( sg1000 ) --------------------------------------------------*/ - -void sg1000_state::machine_start() -{ - if (m_cart->get_type() == SEGA8_DAHJEE_TYPEA || m_cart->get_type() == SEGA8_DAHJEE_TYPEB) - { - m_maincpu->space(AS_PROGRAM).install_read_handler(0xc000, 0xffff, 0, 0, read8_delegate(FUNC(sega8_cart_slot_device::read_ram),(sega8_cart_slot_device*)m_cart)); - m_maincpu->space(AS_PROGRAM).install_write_handler(0xc000, 0xffff, 0, 0, write8_delegate(FUNC(sega8_cart_slot_device::write_ram),(sega8_cart_slot_device*)m_cart)); - } - - if (m_cart) - m_cart->save_ram(); -} - -/*------------------------------------------------- - MACHINE_START( sc3000 ) --------------------------------------------------*/ - -void sc3000_state::machine_start() -{ - /* toggle light gun crosshair */ - timer_set(attotime::zero, TIMER_LIGHTGUN_TICK); - - // find keyboard rows - m_key_row[0] = m_pa0; - m_key_row[1] = m_pa1; - m_key_row[2] = m_pa2; - m_key_row[3] = m_pa3; - m_key_row[4] = m_pa4; - m_key_row[5] = m_pa5; - m_key_row[6] = m_pa6; - m_key_row[7] = m_pa7; - m_key_row[8] = m_pb0; - m_key_row[9] = m_pb1; - m_key_row[10] = m_pb2; - m_key_row[11] = m_pb3; - m_key_row[12] = m_pb4; - m_key_row[13] = m_pb5; - m_key_row[14] = m_pb6; - m_key_row[15] = m_pb7; - - /* register for state saving */ - save_item(NAME(m_keylatch)); - - if (m_cart && m_cart->exists() && (m_cart->get_type() == SEGA8_BASIC_L3 || m_cart->get_type() == SEGA8_MUSIC_EDITOR - || m_cart->get_type() == SEGA8_DAHJEE_TYPEA || m_cart->get_type() == SEGA8_DAHJEE_TYPEB)) - { - m_maincpu->space(AS_PROGRAM).install_read_handler(0xc000, 0xffff, 0, 0, read8_delegate(FUNC(sega8_cart_slot_device::read_ram),(sega8_cart_slot_device*)m_cart)); - m_maincpu->space(AS_PROGRAM).install_write_handler(0xc000, 0xffff, 0, 0, write8_delegate(FUNC(sega8_cart_slot_device::write_ram),(sega8_cart_slot_device*)m_cart)); - } - - if (m_cart) - m_cart->save_ram(); -} - - -/*------------------------------------------------- - MACHINE_START( sf7000 ) --------------------------------------------------*/ - -void sf7000_state::machine_start() -{ - sc3000_state::machine_start(); - - save_item(NAME(m_centronics_busy)); - - /* configure memory banking */ - membank("bank1")->configure_entry(0, m_rom->base()); - membank("bank1")->configure_entry(1, m_ram->pointer()); - membank("bank2")->configure_entry(0, m_ram->pointer()); -} - -void sf7000_state::machine_reset() -{ - membank("bank1")->set_entry(0); - membank("bank2")->set_entry(0); -} - -/*************************************************************************** - MACHINE DRIVERS -***************************************************************************/ - -/*------------------------------------------------- - MACHINE_CONFIG_START( sg1000, sg1000_state ) --------------------------------------------------*/ - -static MACHINE_CONFIG_START( sg1000, sg1000_state ) - /* basic machine hardware */ - MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_10_738635MHz/3) - MCFG_CPU_PROGRAM_MAP(sg1000_map) - MCFG_CPU_IO_MAP(sg1000_io_map) - - /* video hardware */ - MCFG_DEVICE_ADD( TMS9918A_TAG, TMS9918A, XTAL_10_738635MHz / 2 ) - MCFG_TMS9928A_VRAM_SIZE(0x4000) - MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(sg1000_state, sg1000_vdp_interrupt)) - MCFG_TMS9928A_SCREEN_ADD_NTSC( SCREEN_TAG ) - MCFG_SCREEN_UPDATE_DEVICE( TMS9918A_TAG, tms9918a_device, screen_update ) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - - MCFG_SOUND_ADD(SN76489AN_TAG, SN76489A, XTAL_10_738635MHz/3) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) - - /* cartridge */ - MCFG_SG1000_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL) - - /* software lists */ - MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000") - - /* internal ram */ - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("1K") -MACHINE_CONFIG_END - -/*------------------------------------------------- - MACHINE_CONFIG_DERIVED( omv, sg1000 ) --------------------------------------------------*/ - -static MACHINE_CONFIG_DERIVED( omv, sg1000 ) - MCFG_CPU_MODIFY(Z80_TAG) - MCFG_CPU_PROGRAM_MAP(omv_map) - MCFG_CPU_IO_MAP(omv_io_map) - - MCFG_DEVICE_REMOVE(CARTSLOT_TAG) - MCFG_OMV_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL) - - MCFG_RAM_MODIFY(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("2K") -MACHINE_CONFIG_END - -/*------------------------------------------------- - MACHINE_CONFIG_START( sc3000, sc3000_state ) --------------------------------------------------*/ - -static MACHINE_CONFIG_START( sc3000, sc3000_state ) - /* basic machine hardware */ - MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_10_738635MHz/3) // LH0080A - MCFG_CPU_PROGRAM_MAP(sc3000_map) - MCFG_CPU_IO_MAP(sc3000_io_map) - - /* video hardware */ - MCFG_DEVICE_ADD( TMS9918A_TAG, TMS9918A, XTAL_10_738635MHz / 2 ) - MCFG_TMS9928A_VRAM_SIZE(0x4000) - MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(sg1000_state, sg1000_vdp_interrupt)) - MCFG_TMS9928A_SCREEN_ADD_NTSC( SCREEN_TAG ) - MCFG_SCREEN_UPDATE_DEVICE( TMS9918A_TAG, tms9918a_device, screen_update ) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - - MCFG_SOUND_ADD(SN76489AN_TAG, SN76489A, XTAL_10_738635MHz/3) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) - - /* devices */ - MCFG_DEVICE_ADD(UPD9255_TAG, I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(sc3000_state, ppi_pa_r)) - MCFG_I8255_IN_PORTB_CB(READ8(sc3000_state, ppi_pb_r)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(sc3000_state, ppi_pc_w)) - -// MCFG_PRINTER_ADD("sp400") /* serial printer */ - - MCFG_CASSETTE_ADD("cassette") - MCFG_CASSETTE_FORMATS(sc3000_cassette_formats) - MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED) - MCFG_CASSETTE_INTERFACE("sc3000_cass") - - /* cartridge */ - MCFG_SC3000_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL) - - /* software lists */ - MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000") - MCFG_SOFTWARE_LIST_ADD("sc3k_cart_list","sc3000_cart") - MCFG_SOFTWARE_LIST_ADD("cass_list","sc3000_cass") - - /* internal ram */ - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("2K") -MACHINE_CONFIG_END - -/*------------------------------------------------- - MACHINE_CONFIG_START( sf7000, sf7000_state ) --------------------------------------------------*/ - -static MACHINE_CONFIG_START( sf7000, sf7000_state ) - /* basic machine hardware */ - MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_10_738635MHz/3) - MCFG_CPU_PROGRAM_MAP(sf7000_map) - MCFG_CPU_IO_MAP(sf7000_io_map) - - /* video hardware */ - MCFG_DEVICE_ADD( TMS9918A_TAG, TMS9918A, XTAL_10_738635MHz / 2 ) - MCFG_TMS9928A_VRAM_SIZE(0x4000) - MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(sg1000_state, sg1000_vdp_interrupt)) - MCFG_TMS9928A_SCREEN_ADD_NTSC( SCREEN_TAG ) - MCFG_SCREEN_UPDATE_DEVICE( TMS9918A_TAG, tms9918a_device, screen_update ) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - - MCFG_SOUND_ADD(SN76489AN_TAG, SN76489A, XTAL_10_738635MHz/3) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) - - /* devices */ - MCFG_DEVICE_ADD(UPD9255_0_TAG, I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(sc3000_state, ppi_pa_r)) - MCFG_I8255_IN_PORTB_CB(READ8(sc3000_state, ppi_pb_r)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(sc3000_state, ppi_pc_w)) - - MCFG_DEVICE_ADD(UPD9255_1_TAG, I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(sf7000_state, ppi_pa_r)) - MCFG_I8255_OUT_PORTB_CB(DEVWRITE8("cent_data_out", output_latch_device, write)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(sf7000_state, ppi_pc_w)) - - MCFG_DEVICE_ADD(UPD8251_TAG, I8251, 0) - MCFG_I8251_TXD_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_txd)) - MCFG_I8251_DTR_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_dtr)) - MCFG_I8251_RTS_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_rts)) - - MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL) - MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UPD8251_TAG, i8251_device, write_rxd)) - MCFG_RS232_DSR_HANDLER(DEVWRITELINE(UPD8251_TAG, i8251_device, write_dsr)) - - MCFG_UPD765A_ADD(UPD765_TAG, false, false) - MCFG_FLOPPY_DRIVE_ADD(UPD765_TAG ":0", sf7000_floppies, "3ssdd", sf7000_state::floppy_formats) - - MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_devices, "printer") - - MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics") - - MCFG_CASSETTE_ADD("cassette") - MCFG_CASSETTE_FORMATS(sc3000_cassette_formats) - MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED) - MCFG_CASSETTE_INTERFACE("sc3000_cass") - - /* software lists */ - MCFG_SOFTWARE_LIST_ADD("flop_list","sf7000") - - /* internal ram */ - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("64K") -MACHINE_CONFIG_END - -/*************************************************************************** - ROMS -***************************************************************************/ - -ROM_START( sg1000 ) - ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASE00 ) -ROM_END - -#define rom_sg1000m2 rom_sg1000 - -#define rom_sc3000 rom_sg1000 - -#define rom_sc3000h rom_sg1000 - -ROM_START( sf7000 ) - ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASE00 ) - ROM_LOAD( "ipl.rom", 0x0000, 0x2000, CRC(d76810b8) SHA1(77339a6db2593aadc638bed77b8e9bed5d9d87e3) ) -ROM_END - -ROM_START( omv1000 ) - ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASE00 ) - ROM_LOAD( "omvbios.bin", 0x0000, 0x4000, BAD_DUMP CRC(c5a67b95) SHA1(6d7c64dd60dee4a33061d3d3a7c2ed190d895cdb) ) // The BIOS comes from a Multivision FG-2000. It is still unknown if the FG-1000 BIOS differs -ROM_END - -ROM_START( omv2000 ) - ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASE00 ) - ROM_LOAD( "omvbios.bin", 0x0000, 0x4000, CRC(c5a67b95) SHA1(6d7c64dd60dee4a33061d3d3a7c2ed190d895cdb) ) -ROM_END - -/*************************************************************************** - SYSTEM DRIVERS -***************************************************************************/ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -CONS( 1983, sg1000, 0, 0, sg1000, sg1000, driver_device, 0, "Sega", "SG-1000", MACHINE_SUPPORTS_SAVE ) -CONS( 1984, sg1000m2, sg1000, 0, sc3000, sc3000, driver_device, 0, "Sega", "SG-1000 II", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, sc3000, 0, sg1000, sc3000, sc3000, driver_device, 0, "Sega", "SC-3000", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, sc3000h, sc3000, 0, sc3000, sc3000, driver_device, 0, "Sega", "SC-3000H", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, sf7000, sc3000, 0, sf7000, sf7000, driver_device, 0, "Sega", "SC-3000/Super Control Station SF-7000", MACHINE_SUPPORTS_SAVE ) -CONS( 1984, omv1000, sg1000, 0, omv, omv, driver_device, 0, "Tsukuda Original", "Othello Multivision FG-1000", MACHINE_SUPPORTS_SAVE ) -CONS( 1984, omv2000, sg1000, 0, omv, omv, driver_device, 0, "Tsukuda Original", "Othello Multivision FG-2000", MACHINE_SUPPORTS_SAVE ) |